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Humidity Sensor Transmitter : TH200
• Ranges from 0-100%RH and -40 to +180°C (probe dependent)
• Configurable intermediate ranges
• Functions : relative and absolute humidity, dew point, wet and
dry temperature, enthalpy.
• Smart-Pro system interchangeable probes (PC or Stainless Steel)
• On-site calibration
• Simultaneous display of 2 parameters
• 2 outputs 4-20 mA or 0-10V (4 wires), RS 232, 2 RCR relays 6A/230 Vac
• 2 visual (dual color LED) and audible (buzzer) alarms
• Output diagnostics
• ABS IP 65 housing, with or without 2-line backlit display.
• Quick and easy mounting using the “1/4 turn” system with wall-mounting plate.
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Our new humidity sensor range have been designed to suit all your need in temperature/humidity...
5 new ranges for any industry, process, building services, indoor climate, OEM...
Monostats : from 0 to 100 %RH, from 0 to +50°C, from -20 to +80°C, probes : standard, duct mount or remote and 1 RCR relay 3A/230 Vac.
Classe 50 : from 0 to 100 %RH with ambient probe.
Classe 100 : from 0 to 100 %RH and from 0 to +50°C, -20 to +80°C, -50 to +50 °C, 0 to +100°C, configurable intermediary and central zero ranges, 4-20mA ou 0-10V output.
Classe 200 : from 0 to 100 %RH and from -40 to +180°C, calculation function, PC or stainless steel probe, 2 x 4-20 mA ou 0-10V outputs, 2 visual and audible alarms, 2 RCR relays 6A/230 Vac, software configuration.
Classe 300 : 0-100%HR and -40 to +180°C, configurable intermediary ranges, PC or stainless steel probe, 2 x 4-20 mA ou 0-10V outputs, 2 visual and audible alarms, 2 RCR relays 6A/230 Vac, external transmitter inputs, calculation function, Simultaneous display of 1 to 4 parameters, MODBUS network RS 485 system, software/Keypad/Remote control configuration.
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The Ascon’s “H” series includes three humidity transmitters designed to meet the requirements of the HVAC and storerooms applications from the simple ones to the more sophisticated ones.
All transmitters feature a highly accurate capacitive sensor integrated in a silicon microchip. This new technology allows for accurate process measurements, is extremely reliable and offers excellent long-term stability. The sensor is very durable and moisture resistant. For easy and fast replacement the sensor is built into the “Humi-Chip” module, no re-calibration is required. Three types of interchangeable and replaceable filters can be selected depending upon the application, for clean or dusty or aggressive chemicals environments. H1, the simpler model, includes one humidity output and one temperature output. On the other models three outputs are available and configurable for relative humidity, dew point, temperature, temperature and dew point temperature difference. Available output signals are 0/4...20mA 2 wire, 0…1V, 0…5V or 0...10V.
The H3 and H5 models include: configurable alarms with relay output, real time clock and RS485 Modbus RTU for serial communications and configuration. Gateways for Ethernet, PROFIBUS, DeviceNet and CANopen connections are available.
The “H5” model includes alarm events memorization and data logging of the main measurements. For further operator ease of use, on all the models, the relative humidity values can be displayed on the optional integrated LCD display. Housings are IP66 for wall or duct mounting; remote sensor model is also available.
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Relative Humidity/Temperature Transmitter - Model 657-1
±2% Accuracy, 0-100% RH, Dual Channel Design
Relative Humidity/Temperature Transmitter - Model 657C-1
±2% Accuracy, 0-100% RH, Dual Channel Design, Conduit Housing
Relative Humidity/Temperature Transmitter - Series HU
±2% Accuracy, 0-100% RH, NEMA 4 (IP56) Enclosure
Relative Humidity/Temperature Transmitter - Series RH/RHL
±2% or ±3% Accuracy, 0-100% RH, NEMA 4X (IP65) Enclosure
Relative Humidity/Temperature Transmitter - Series HT
±3% Accuracy, 10-90% RH, 2 Wire Design, Duct or Wall Mount
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New! The Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300
Vaisala introduces a new generation barometric pressure, relative humidity and temperature transmitter series, the Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300. The PTU300 features fully digital measuring electronics for all three parameters, several small RH&T sensor heads for different applications, and calculated humidity variables. The new backlit display shows three-hour graphical trends and up to one year of historical data. The recorded measurement data can be viewed on the display or transferred to a PC. Seven languages options are also available.
The PTU has four different probe options: PTU301 for laboratories, PTU303 for outdoor use, the warmed PTU307 probe for demanding meteorology, and the PTU30T for pressure and temperature measurement only.
The Vaisala BAROCAP® sensor is used for pressure measurement and the Vaisala HUMICAP® sensor measures humidity. Both sensors are known for their high accuracy and long-term stability. The temperature sensor is a platinum RTD sensor.
Applications include environmental monitoring in calibration laboratories, GPS meteorology and weather stations.
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The transducer T7311 is a 3 channel programmable transmitter with an indoor / outdoor temperature, hunidity and barometric pressure probe.
Temperature probes and transducers for Pt1000/3850ppm sensor with two-wire connection and RS232 interface are built in a durable watertight case. Output temperature range is user adjustable. Degrees Celsius and Fahrenheit are user selectable. Large dual line LCD is an advantage. Display is possible to switch off. Computerized design ensures maximum long term stability and fail indication.
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The Vaisala DRYCAP® Dewpoint Transmitter DMT242 is the ideal choice for industrial applications where there is a need to control dryer performance in low dewpoints.
The DMT242 incorporates Vaisala’s DRYCAP® thin-film polymer sensor and auto-calibration software, a combination that makes it ideal for use in dry ambients. The transmitter provides long-term stability, fast response time and a wide measurement range with an accuracy of ±2 °C.
The DRYCAP® thin-film polymer sensor is immune to water condensation, particular contamination, oil vapors and most chemicals. Vaisala’s unique auto-calibration software corrects the possible dry end error and provides long term stability in dry conditions. Since the DMT242 transmitter can withstand even 100% condensation, its performance is unmatched for low dewpoint applications that may experience process water spikes.
The DMT242 is both compact, rugged and easy-to-use. The mechanics have been designed for extreme conditions that require protection against dust, dirt and splashed water. The housing is NEMA 4 (IP65) protected and the transmitter can withstand being installed directly into systems at 300psi maximum pressure.
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EE35 Series
Dew Point Measurements down to -60°C Td (-76°F Td)
Exact dewpoint monitoring is increasingly playing a more important role in many industrial applications, such as drying processes and air pressure pipelines. For these purposes the multifunctional EE35 transmitter series offers the ideal features.
The EE35 Series is based on a functional, user-friendly housing concept and on the proven
polymer humidity sensors of the HC Series.
A specially developed autocalibration process enables measurements in a measurement range
of -60...+60 degC Td with a Td measurement accuracy of ±2 degC.
Two freely configurable and scaleable analogue outputs are available for the two measurement values (Td, T).
An optional hygrostat output, which can be set by means of a potentiometer, provides an alarm signal in a simple way when a threshold of the permitted dewpoint is exceeded.
An optional display for the measure- ment values and the associated MIN/MAX values allows a quick overview of the current situation.
Measuring range: -60...60 degC Td (-76...+140°F Td) ; 0...60 degC T (32...140°F T)
Outputs: 0-5V, 0-10V, 0-20mA, 4-20mA
Accuracy: +/- 2 degC Td; +/-0.2 degC T
Supply: 24V AC/DC
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Optidew is based on the fundamental chilled mirror principle for dew point measurement. It offers a measurement range of <0.5% to 100% relative humidity at operating temperatures from -20°C to +90°C (however this range is extendable up to 130°C with a higher integrity sensor head). The Optidew transmitter can be used in many industrial environments. Optidew offers two linear 4-20mA outputs allowing configuration and monitoring by a suitable computer, PLC system. Michell Instruments also provides its own monitoring and configuration software with logging capability available via RS232 communication. An adjustable volt-free contact alarm is also available for direct process control. An optional high definition alphanumeric display provides local indication of the measured humidity.
Comprehensive user software makes it easy to set instrument parameters such as measurement units (RH, temperature, dew-point, g/kg and g/m3), output range, °C or °F operation etc. The software also provides a data logging and live charting facility and a min/max/average calculation.
The Optidew is available in single or two stage sensor variants according to the measurement range requirement with integrated or remote type sensors. Two display options can also be specified, providing a simple 3.5 digit LED display or a back-lit LED display.
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The Easidew Range is a series of instruments designed to measure dew-point and moisture content. Easidew is the most affordable range on the market but uses the newest technology. The Easidew range uses ceramic sensors to give the fastest response times, resist corrosion and cope with sudden pressure change.
The Easidew Transmitter is a two-wire loop powered dew-point transmitter designed to make dew-point measurement as easy as possible. The transmitter is fully configured and calibrated so it can be combined with any air or gas management and control system.
The Easidew On- Line is a cost effective hygrometer with digital display, analogue and digital outputs and a dual alarm feature. The Easidew On-Line is reliable and offers excellent repeatability. The Easidew On-Line can be bench or panel mounted for use in any application.
The Easidew Sampler is a general sampling system which, when used with instruments from the Easidew range, provides measurement of dew-point in compressed air and industrial gas applications. The Sampler allows a sample of gas under test to be conditioned for measurement at atmospheric or full-time pressure. The Easidew Sampler provides flow and pressure regulation and an in-line particulate filter, housing the sensor all in a single monolithic block assembly. The system can be mounted on a panel, post, or pipe brace.
The Easidew TX I.S. and Pro I.S. are both dew-point transmitters designed for use in hazardous areas. Both are certified by ATEX and thoroughly protected to avoid damage in hazardous conditions.
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Vaisala HUMICAP® Dewpoint Transmitter DMW19
- Designed for demanding building automation applications and other wall mount indoor applications where dewpoint measurement is needed
- Electronic, on-site, one-point field check with Vaisala HUMICAP® Hand-Held Humidity and Temperature Meter HM70
- Warranty time 2 years
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ALMEMO® dew-point sensor, type FHA646DTC1
Dew-point transmitter
with current output MT8716DTC1
Especially suitable for dew-point measurement with high
level precision and long-term stability.
Digital transfer of measured values to the ALMEMO® display
section (avoids risk of inaccuracy on the connecting lines or
in the display section itself).
High-level accuracy sustained down to -80 °C.
High-speed reaction time.
Displayed variables : temperature, rel. humidity, dew-point.
Process connection for high pressures (optionally up to 350 bar).
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Applications: Low Humidity, Meteorology
Industries: Medical, Aerospace and Military, Test and Measurement, Transportation, General Industry, Consumer Goods
Description: Based on the rugged HS1101LF capacitive humidity sensor, HM1520LF is a dedicated humidity transducer designed for measurements at low humidity. Direct measurement of dew point or water concentration can be easily obtained in really cost effective conditions. Direct interface with a micro-controller is made possible with the module's linear voltage output.
Features:
- Tubular form for through wall mounting
- Product free from Lead, Cr(6+), Cd and Hg
- Calibrated, linear voltage for easy electronic interface
- Typical 1 to 1.6 Volt DC output for 0 to 20% RH at 5Vdc supply
- Ratiometric to voltage supply
- Patented solid polymer structure
- Full interchangeability
- Not affected by water immersion
- Controlled temperature dependency
Humidity Sensor Specific Features:
- Not affected by long period at low humidity values
- High resistance to chemical
- Fast response time
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The DMPT348 meets the requirements for demanding industrial applications where stable measurement of low dewpoints is important.
The transmitter incorporates the Vaisala DRYCAP® thin film polymer sensor and auto-calibration software. The sensor is 100% condensation proof and immune to particular contamination, oil vapors and most chemicals. Vaisala's unique auto-calibration software corrects the possible dry end error and provides long term stability in dry conditions.
Flexible configuration, many options and accessories make the DMT348 versatile and easy to use. The DMT348 outputs dewpoint, relative humidity, ppmv and temperature.
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Transmitters of the EE21 series have been developed for high-precision measurement of relative humidity and temperature. EE21 transmitters are available for wall and duct mounting with or without the very useful
snap in-mounting kit, which allows a quick and easy exchange of the transmitter.
Outputs can be selected between voltage and current. An optional radiation shield providing a forced ventilation is recommended for use in outdoor applications.
Special protection coating for the sensing element permits the permanent use in very pollutedenvironments.
Measuring range: 0...100% RH; -20...60 °C
Outputs: 0...1/5/10V or 4...20mA
Accuracy: +/-2% RH; +/-0.3 °C
Supply: 24V AC/DC
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Applications: Reprography, HVAC Controller
Industries: Medical, General Industry, Consumer Goods
Description: Based on the rugged HS1101LF humidity sensor, HTM1735LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. Direct interface with a micro-controller is made possible with the module's humidity linear voltage and direct NTC outputs. HTM1735LF is designed for an optimized board to board connection.
Features:
- Suitable for direct board assembly
- Product free from Lead, Cr (6+), Cd and Hg
- Humidity calibrated within ±2% RH @ 55% RH
- Typical 1 to 3.6 Volt DC output for 0 to 100% RH at 5V DC supply
- Temperature measurement through NTC 10kOhm ±3% direct output
- Full interchangeability
- High reliability and long term stability
- Not affected by repeated condensations
- Ratiometric to voltage supply within the specified range
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EE10 Series
HVAC Humidity & Temperature Transmitter for Indoor Applications
EE16 Series
Humidity & Temperature Transmitters for HVAC Applications
EE21 Series
High-Precision Humidity / Temperature Transmitter for HVAC
EE22 Series
Humidity / Temperature Transmitter with interchangeable Probes
Specific for the EE22 series are the interchangeable sensing probes EE07 with connectors.
The calibration data is stored in the probes, which are interchangeable and therefore probe replacement does not affect the performance of the EE22.
The outstanding accuracy over the entire temperature range is based on very precise calibration methods and on the latest microprocessor technology. Well-proven E E humidity sensor elements ensure excellent long-term stability.
EE23 Series
Multifunctional Humidity / Temperature Transmitter
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Minco humidity and humidity plus temperature transmitters are designed using an advanced microprocessor. Digital signal processing allows these transmitters to precisely match the characteristics of the humidity sensor to a wide range of RH and temperature values found in the many applications the product serves.
The humidity sensor is comprised of an integrated circuit (IC) with a stable polymer element and platinum RTD that is used for temperature compensation. This sensor offers outstanding resistance to airborne contaminant and chemicals, and is protected by a sintered stainless steel filter which resists condensation.
Wall/Duct/OSA mounting configurations
Accuracies of ±1% or ±2% RH
Temperature compensated
Temperature output option
Two-point field calibration
NIST traceable calibrations
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Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT100
- Full 0 ... 100 %RH measurement
- Two-wire loop-powered or three-wire voltage output configurations
- Fixed and remote probe models
- Display available
- Relative humidity, dewpoint, temperature outputs
- Vaisala HUMICAP® sensor
- Interchangeable probe module for minimal maintenance downtime
- Different output scalings
- Compatible with hand-held HM70 and HMI41 for one-point calibration
- IP65 (NEMA 4) housing
- NIST traceable (certificate included)
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Based on the rugged HS1101LF humidity sensor, HTF3227LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. It features a very small size for easy, cost-effective mechanical mounting. Direct interface with a microcontroller is made possible with the module’s linear frequency output.
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WetBoss 100 - Relative Humidity Transmitter
WetBoss 100 RH Sensor -- Sensing humidity may seem easy, reflecting back on the original horsehairs and the like, but indeed, precise monitoring of RH is anything but easy. There is a fair amount of snake-oil in the industry, i.e. specs boasting of 0-100% ranges, knowing full well that the very low and very high ends are only estimates, and shrouded by the 5% FS tolerance. The mysique deepens when one discovers the virtual impossibility of reliably field recalibrating an RH sensor. Recognizing that the only way to assure continued accuracy, Rel-Tek engineered a field replaceable sensor head that can be simply plugged in without having to recalbrate the unit. In essence, the factory calibration follows the head, not the base unit. We make no bones about it, our unit is dependable between 5-95%. And, we can assure continued accuracy throughout the entire life of the product.
Thus, the WetBoss 100 has evolved over a dozen years into an honest, dependable, quality product that does the job without a wimper. Every year or so you can replace the sensing head -- a five minute job -- returning the sensor to its factory new calibration. Powered by 12-30VDC, 4-20ma, 2-wire hookup. It is MSHA classified for hazardous methane areas. A digital meter can be purchased for front panel mounting to continuously display the RH reading in 1/2" high characters. The WetBoss 100 is US-manufactrured and serviced. Rely on Rel-Tek for the best solutions.
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Setra's family of humidity transmitters are offered in wall mount, duct mount and outside air unit configurations. Each unit includes a field replaceable sensor tip that allows the end user to replace the sensor on-site, thereby, reducing costly factory calibration and down-time during service intervals.
These humidity transmitters combine capacitive sensing technology with Setra's proven customer application specific integrated circuit (ASIC).
Model SRH
Applications
- HVAC/R Control
- Indoor Air Quality (IAQ)
- Laboratories
- Antiquities Preservation
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The HygroFlex series is ideal for all applications where exact measurement of humidity and temperature is of decisive importance, e.g. the food and pharmaceutical industries, printing and paper industries, meteorology, agricultural sector, archaeology, climatology, etc. There is hardly a field today in which these parameters may be ignored. It is ultimately the measuring task on hand that defines the instrument that best covers your needs.
The HygroFlex5 series offers you ultimate performance and flexibility thanks to its interchangeable HygroClip2 probes. The transmitters come in wall and duct mount versions. Many useful functions can be accessed with optional HW4 software.
HF5-Series is available with analog and digital outputs, so compatibilty with almost any monitoring or control system is assured. Digital versions may be networked togther to form a dedicated environmental monitoring system using HW4 software.
The new generation device not only has a unique calibration and adjustment process, but also allows probes to be interchanged in just a few seconds. This easy interchangeability during operation reduces down-time and service costs to a huge extent. The possibility of using every probe as a simulator with fixed output values is a big advantage for system validation. In the case of networked devices this can even be carried out online from a remote PC workstation.
Applications
High specification HVAC applications, building management systems, museums, libraries, environmental monitoring systems.
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High-precision humidity sensor Type FHAD36R
Wide range of temperatures
ALMEMO® D measuring module for humidity
and temperature
Capacitive humidity sensor with integrated signal processor,
for humidity measurement at the highest accuracy level
Unique correction and adjustment process
Digital output, i.e. all correction and sensor data saved in the
sensor itself
ALMEMO® connecting cable with digital ALMEMO® D
measuring module. Cable extensions up to 100 meters and
various connection methods see page 09.06
Four climate variables displayed Temperature, relative
humidity, dew point, and function channels for mixture ratio,
enthalpy
Factory or DKD calibration is performed on the sensor alone.
Fully accurate - irrespective of connecting cable and
AMEMO® measuring instrument.
Operation in sleep mode only possible with devices with
sleep delay function (ALMEMO 2590-2/3S/4S, 2690-8,
2890-9, 5690, 8590-9, 8690-9A, with Update)
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Relative humidity and Temperature transmitter THR-370/CM
For chambers
The THR-370/CM transmitters are designed to measure Humidity and Temperature in ambient pressure and
temperature. They are provided with dual 4/20 mA, 2-wire transmission outputs.
RH transmitter to be used in chambers
Capacitive relative humidity sensor
Standard IP-65 housing
Pt-100 temperature sensor (IEC-751)
Dual 4/20 mA outputs for RH and temperature. 2-wire transmission
Operating ranges:
- RH 0-100%
- temperature: 32/122 °F (0/50 °C)
Response time: 45 s. At 95 %RH
Max. Error: ±2% RH
Power supply 12 to 40 Vdc
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The optimal hardware structure for varying applications is achieved by combining various standard mechanical and electronic modules. The measured values are available on two freely configurable and scaleable analogue outputs and on the serial RS232 interface.
Two freely configurable optional alarm outputs can be set by software. The measured data and the corresponding MIN/MAX values can be viewed on the optional LCD display. By selecting a suitable housing version the EE29/EE31 series can be used for the entire range of humidity measurement applications:
Model A: for wall mounting
Model B: for duct mounting
Model D: with remote sensing probe for measurements in the range of -40...180°C
Model E: with remote sensing probe for pressure tight applications between 0,01...15 bar
Model F: with rear cable outlet for wall mounting in clean room applications
Technical data
Measuring range: 0-100% RH; -40...180 °C
Outputs: 0-5V, 0-10V, 4-20mA, 0-20mA
Accuracy: +/-2% RH; +/-0.2 °C
Supply: 24V AC/DC
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Product Description:
Libratherm offers Relative Humidity and Temperature transmitter model HTX-3000 for measuring and transmitting the analogue and digital values proportional to these two parameters. HTX-3000 is designed using the latest micro-controller, incorporating Rotronic make Hygrclip CP sensor for measurement of Temperature and %Rh . The two independent loop current outputs of 4-20mA proportional to both the parameters are available for remote measurement and indication. To suit industrial requirement the transmitter is available in both duct type and wall mounting type
assembly, and for the local indication of %RH and Temperature, two independent 4 digit 7 segment red LED displays are provided. For serial interface with PLC or DCS or with any other process controller – digital serial communication on RS485 bus with MODBUS RTU protocol in slave mode is also provided. RS 485 interface is advantageous, since number of wires as with the three wire of 4-20mA per transmitter can be avoided (3 wires multiply by no. of transmitters), since only two wires can be looped with multiple transmitters in multi-drop wiring. Optionally, Ethernet output can also be made available. These transmitters finds application in HVAC, Climatic control, Stability chamber, Hospitals, Green houses, useful for Validation agencies and for regulatory requirement of FDA, CGMP, ISO14644 etc….
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Michell Instruments offers a wide range of humidity sensor elements and complete instruments, including relative humidity and temperature transmitters, handheld indicators and humidity generators.
Michell’s relative humidity and temperature generator, the S904, is designed to calibrate and verify the operation of relative humidity and temperature sensors and transmitters. With a chamber temperature range of 10 to 50oC, a uniformity of ±0.1 oC and the ability to generate 10-90 % RH, accurate and repeatable calibrations are made easy.
The WR293, a digital relative humidity and temperature transmitter with remote probe, uses the HYGROSMART module integrated within the interchangeable probe and cable. The device can be used in high-temperature applications thanks to the remote measurement element and small overall size. The interchangeable probe allows simple recalibration and low maintenance costs. As a product it fits all kinds of processes.
The PCmini 52 is Michell’s relative humidity and temperature transmitter mini probe. The microprocessor controlled and multi-point calibrated PCmini52 gives an excellent performance in terms of accuracy and linearity. The mini probe transmitter can provide two linear analogue outputs for temperature and relative humidity, dew point or absolute humidity.
DT282 and the PCmini70 make Michell’s relative humidity range unique by including the interchangeable HYGROSMART module. The interchangeable module lets you recalibrate the transmitters simply by replacing the sensor heads with the HYGROSMART modules. As a result, maintenance costs are greatly reduced and machine down time is minimized.
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Minco humidity and humidity plus temperature transmitters are designed using an advanced microprocessor. Digital signal processing allows these transmitters to precisely match the characteristics of the humidity sensor to a wide range of RH and temperature values found in the many applications the product serves.
The humidity sensor is comprised of an integrated circuit (IC) with a stable polymer element and platinum RTD that is used for temperature compensation. This sensor offers outstanding resistance to airborne contaminant and chemicals, and is protected by a sintered stainless steel filter which resists condensation.
- Wall/Duct/OSA mounting configurations
- Accuracies of ±1% or ±2% RH
- Temperature compensated
- Temperature output option
- Two-point field calibration
- NIST traceable calibrations
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The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 was developed for demanding industrial applications where stable measurement and wide customization possibilities are important.
As a totally new feature in this product class, the HMT330 has a large numerical and graphical display with multilingual user interface. It allows the user to easily monitor measurement trends with 1-year history.
Vaisala HUMICAP® products have been the market leaders in industrial and meteorological humidity measurements for over a decade.
The new HMT330 series consists of six models covering the full humidity measurement range from 0 to 100 %RH. The temperature ranges are between –70 and +180 °C, and pressure ranges between 0 and 100 bar, depending on the model. In very humid or chemically harsh conditions, Vaisala's unique warmed probe and chemical purge features help to maintain measurement reliability.
The HMT330 can output multiple humidity parameters, and the outputs available include three analog outputs, serial interfaces, and alarm relays. A choice of mains or DC power and several optional mounting accessories make it easy to install the instrument.
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