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MODBUS AND 4-20 mA TRANSMITTERS FOR CHEMICAL VARIABLES DMM-4000/..
The DMM-4000/.. Series are two loops configurable field transmitters for specific variables with inputs adapted to each variable (DMM-4000/... where the suffix shows the version), e.g. Chemical (pH, Conductivity, etc.), Electric (V, A, RMS, etc.), Humidity (HR, HA, Enthalpy, Dew point), Pressure, Level, Flow, Pulse Counter, Vibration, Weight, etc.
Allows with low cost to use the old probes and classic sensors placed on field and to transmit them toward control systems as PC or PLC in mA and Modbus saving A/D and D/A conversion tasks. In option, they can be to communicate by Radio 868 MHz (915 MHz in USA) or by Ethernet, cable or WiFi, by means adapter modules RMT, EMT or WMT-1000 Series
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Measures conductivity, resistivity or concentration, displaying the results in conductance per meter or centimeter, resistance per meter or centimeter, % or g/L. Used with a wide selection of probes. Easily configured for a diverse range of applications. Application-specific temperature compensation capabilities. 2-electrode self-checking sensor for constant compensation for polarization or coating errors. Choice of calibration method.
-Easy to use with large clear display and simple programming
-2 smart analog outputs: 0/4 to 20mA
-Options of relay outputs, RS485 output and NEMA 4X (~IP66) protection
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Conductivity measurements are carried out in industrial processes primarily to obtain information on total ionic concentrations (e.g. dissolved compounds) in aqueous solutions. Widely used applications are water purification, CIP/SIP control and the measurement of concentration levels in solutions.
The measuring system consists of an appropriate inline sensor directly inserted or in a housing, a cable connected to a transmitter converting the received signals to a measurement result or forwarding it to a DCS. The conductivity sensors from METTLER TOLEDO are designed for high process safety, rapid sensor replacement and quick and easy installation
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This range of small probes with 3 mini-sensors measure pH, ORP, conductivity, temperature DO and level in wastewater, natural water and underground water. These SDI-12 ultra low comsuption probes can be connected to all SDI-12 systems
Using AQUA, AQUA 10 or AQUA 50 probes allows you to measure up to 6 parameters simultaneously: Temperature, Conductivity, pH, ORP, Dissolved Oxygen and Depth.
- Fast connection to ISCO devices, ADCON remote systems or any other instruments using the SDI12 protocol
- Ultra low consumption (40 µA)
- Connection of the sensors by simple "clip"
- Pocket size for maximum user convenience (length = 420 mm, diameter = 40 mm)
- Flexibility in use : its independent connection cable length allows adjusting cable length according to your needs
3 probes are available :
- AQUA : Wastewater
- AQUA 10 : Surface water (0-10 m),
- AQUA 50 : Underground water (0-50 m).
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Conductivity
Honeywell conductivity technology helps measure, analyze and transmit valuable conductivity, resistivity and concentration information in simple and complex industrial processes with a complete line of analyzers, transmitters and conductivity cells.
Dissolved Oxygen
A complete line of analyzers, transmitters and dissolved oxygen probes ensures highly accurate, stable and trouble-free measurement in all types of applications.
pH-ORP
Patented non-glass Durafet probes and traditional glass pH technology help measure, analyze and transmit pH and ORP information in industrial processes. Honeywell provides a complete line of analyzers and transmitters, and several mounting types.
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Transmitters are an integral part of on-line measurement systems used to monitor and control industrial processes. METTLER TOLEDO offers a comprehensive range of transmitters for pH, DO, conductivity, resistivity, TOC, dissolved ozone, turbidity,
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pH, Redox, Low and High Conductivity, Dissolved Oxygen, Chlorine, Ozone, Turbidity and Ión Selective
Several versions are available to measuring and to transmit these signals:
• Specific Version for pH / Redox
• Specific Version for Conductivity
• Specific Version for Dissolved Oxygen
• Specific Version for Chlorine, Ozone
• Specific Version for Turbidity
• Specific Version for Ion Selective
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Single channel transmitter for glass and antimony pH electrodes, or redox measurement. Simple to use with large graphic display and easy programming. Auto diagnostics for true measurement of electrode impedance.
Wide choice of temperature compensations.
-Auto calibration in standard buffers.
-0 to 20mA or 4 to 20mA outputs
-Bi-directional proportional controller for pulse contact or frequency output
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Inductive conductivity sensor
- Fields: Chemical and Petrochemical Industry, Food and Beverage Industry
- Type ISL05x
- Measurement ranges: -20...130 °C
- Operating pressure: max. 10 bar
- Connecting head / Material: Head ø89 mm, W1.4301 (AISI304) Wetted Parts, W1.4404 (AISI316L) , 3A Approval
- Output signal: Conductivity 4...20 mA, Temperature 4...20 mA
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Product Features :
- User-Customisation through Scrolling Menu, 14-Segment LED - intuitive user interface guides user easily through setup functions
- Multi Measurement Range- User Selectable
- Galvanically Isolated 4-20 mA Output for remote monitoring or hardcopy recording
- Universal Power Supply Input from 85 to 250 VAC/DC allows use at multiple sites and withstands voltage fluctuations
- Two Level Password Protection prevents un authorized tampering with settings
- Automatic Temperature Compensation with 3-wire Pt 100 system ensures accurate readings under fluctuating temperatures
- Adjustable Temperature Coefficient (0.0 to 5.0%/oC) and selectable cell constants for more accurate measurements
- Adjustable Hysteresis (Dead Band) prevents rapid contact switching near set point
- Non-Volatile Memory retains all stored parameters and calibration data even if power fails
- Easy Installation and Wiring with detachable plug-in connectors
Applications :
TDS200: Ideal for drinking water, monitoring and control, hydroponics and aquaponic solution balance and control, pools and spa hardness and salinity control.
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pH-ORP
Patented non-glass Durafet probes and traditional glass pH technology help measure, analyze and transmit pH and ORP information in industrial processes. Honeywell provides a complete line of analyzers and transmitters, and several mounting types.
7758/7758D Pipeline Mounting
The 7758 pipeline electrode mounting uses a stainless steel or polypropylene bushing with 3/4" NPT for mounting in pipelines.
7773/7773D Flow & Immersion Mounting
7773 mounting capabilities encompass the industrial measurements of pH, ORP, specific ion and temperature in a flow or submersion configuration.
7774/7774D Insertion Removal Mounting
The 7774 insertion/removal assemblies, which accommodate Durafet II and Meredian series combination (single-probe) pH or ORP electrodes, are designed for use in processes under pressure because the electrode can be inserted or removed without interrupting the process.
7777/7777D Immersion/In-Line Glass Mounting
Honeywell's 7777 series of electrode mountings enables users to interface Durafet II pH electrodes with a process via a ¾" threaded connection and Meredian II by either submersing the electrode or mounting it into a ¾" threaded connection.
7777DVP Immersion/In-Line Mounting
Honeywell's 7777DVP Series of electrode mountings enables users to interface Durafet III pH electrodes to a process via a ¾" threaded connection by either submersing the electrode or mounting it into a ¾" threaded connection.
7794DVP Sanitary Durafet III Mounting
The Sanitary Durafet III pH electrode has an integral, tri-clamp flange for easy mounting in the process.
HB Series Ruggedized Electrodes
Honeywell's HB Series of electrode mountings are designed for high temperature, high pressure and harsh chemical applications.
Transmitter - APT2000PH
The APT2000PH transmitter is a two-wire 24-volt device that continuously measures pH or ORP in industrial processes.
Analyzer - APT4000PH
The APT4000 pH/ORP analyzer continuously measures pH or ORP in industrial processes.
DirectLine DL421 pH Transmitter
The DL421 transmitter can be connected directly to the electrode as one integral mounted unit. Alternatively, the transmitter can be wall, pipe or DIN rail mounted remotely from the associated pH electrode.
DirectLine DL422 ORP Transmitter
The Meredian II ORP electrode can be located directly on to the DL422 transmitter module as one integral mounted unit. Alternatively the DL422 transmitter can be wall, pipe or DIN rail mounted remotely from the ORP electrode.
DirectLine DL1000 Durafet Mountings
DL1000 pH electrode in combination with DL421 pH transmitter either directly or remotely mounted offer an ideal end user solution to online pH measurement. Installation, maintenance and performance cost savings are assured.
DirectLine DL2000 Meredian Glass Mountings
For pH measurement the DirectLine transmitter modules can be mounted integrally or remotely with the DL2000 Meredian glass pH electrode.
DirectLine DL3000 ORP Mountings
For ORP measurement the DirectLine transmitter modules can be mounted integrally or remotely with the DL3000 ORP electrode.
Durafet non-Glass pH Sensor
The Durafet pH electrode is an industrial, non-glass, unbreakable, Ion Sensitive Field Effect Transistor (ISFET)-based pH sensor that provides fast, accurate and dependable pH measurement in the most demanding applications.
HPW7000 HiPurity pH Measurement System
The HPW7000 HiPurity Water pH Measurement System is an electrode mounting assembly designed specifically for the difficult pH measurement in high-purity water applications.
TL1000 Durafet II Twist Lock Mounting
The TL1000 Series, Twist Lock Mounting, provides an easy way to install/remove Durafet III pH electrodes from pipelines and tees. A quick ¼ turn is all that is required for installation/removal.
Analyzer - UDA2182 Multiple Input
The UDA2182 Universal Dual Analyzer represents the latest in analyzer technology by providing the most versatile multiple-input analyzer package on the market for measurement of pH, ORP, conductivity and dissolved oxygen.
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utech Instruments' Differential pH/ORP Measurement Technology consists of the alpha pH 2000D controller and a pH/ORP differential electrode. Unlike conventional combination electrodes, the differential electrode is designed for more durability in harsh industrial environments such as
wastewater treatment.
The unique electrode design prevents fouling of the reference electrode system.
The salt bridge and reference solution is replaceable hence providing greater reliability, better accuracy and a more cost effective measurement system.
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Model UT Ultrasonic Level Transmitter provides reliable, noncontact measurement for liquid level control in tanks and other vessels. Integral electronics generate an ultrasonic pulse which is transmitted through the air space in the tank. The pulse is reflected back to the sensor at the liquid/air interface. From the received echo, the time of flight can be calculated which is directly proportional to the distance of the liquid surface to the sensor. A continuous 4 to 20 mA output signal is generated and updated every half second. Units feature a fully adjustable zero and span, height and distance mode adjustment, lost echo LED indication, and reverse polarity protection.
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SmartScan models are 4-wire, two-part ultrasonic level transmitters with a local sensor and remote control unit. SmartScan50 is the leading model designed for harsh environments and extending a range of 12 meters. SmartScan25 is our model for coping with applications requiring 40 meter range and for Solids. Smartlite is the entry level 4-wire 2-part system for calm liquid applications.
SmartScan 50
* Reliable in highly challenging environments:
* Vapors
* Agitators
* Light foam (up to 5cm)
* Extended temperature range (-40¢Xc/90¢Xc)
* Pressure up to 5 Bar
* Ex proof
* Full PVDF sensor version
* High Accuracy (0.2% of max range)
* Perfect for waste water applications and Open Channel Flow measurements
* Models for liquid, solid and open channel flow
* Measuring range 0.4-12 meters (liquid)
* Outputs 4¡V20mA, RS-232 or RS-485
* Modbus protocol
* Five independent SPDT relays
* Embedded firmware for advanced calculations of volume and flow
totalization
* 110-240 VAC option
* Rapid response with high accuracy
SmartScan 25
* Long range applications - up to 40 meters / 131 ft
* Best fit for high process tanks, large storage vessels or dust free
solid applications
* Outputs
* 4-20 mA
* RS232 or RS485
* Read only Modbus protocol
* Five independent SPDT relays
* Embedded firmware for advanced calculations of volume and flow
totalization
Smartlite
* Cost effective 4-wire solution
* Designed for liquid applications
* Range up to 10 meters / 32 ft
* Excellent chemical resistance
* Two independent SPDT relays
* Output 4-20 mA, RS232 or RS485, read only Modbus protocol
* 110-240 VAC option
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USonic
US Series Transmitter using US-XX Series Electronics The USonic provides a non-contact Ultrasonic measurement in a 2-wire 4-20 mA, Hart output signal with internal characterizations for Open Channel Flow, Level, Distance and Volume. A 30 ft. measurement range with 0.15% accuracy. Suitable for all Class I Div. 1, Zone 0, I.S. or XP locations. SmartGain circuitry ignores most internal vessel obstructions.
USonic-R
USonic-R Series Transmitter using USR-XXXX Series Electronics USonic-R provides a non-contact Ultrasonic measurement in a 2-channel system with (2) 4-20 mA output, allows two independent non-contact measurements, or sum or differential measurements. Modbus output signal with internal characterizations for Open Channel Flow, Level, Distance and Volume. A 30 ft. measurement range with 0.15% accuracy. Wall mounted controller suitable for all Class I Div. 2, Zone 0 locations, with sensors I.S. for Class I Div. 1 locations. SmartGain circuitry ignores most internal vessel obstructions.
Universal Sonic - 505-5100 Series
505-5100 Series Transmitter using 405-5100 Series Electronics The 505-5100 Series is a Line powered Ultrasonic measurement with range to 80 ft. Suitable for all Class I Div. 1, Explosion Proof locations. Internal circuitry ignores most internal vessel obstructions.
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This new Greyline Transmitter displays, controls and transmits level. Mount the non-contacting ultrasonic sensor at the top of your tank, and the compact, watertight electronics/display enclosure at a convenient location nearby. Operators can calibrate the LIT25 with its 2-button Keypad, without climbing the tank. Use the built-in relay for level control or alarm, the large 4-digit display for local indication, and the isolated 4-20mA output to to transmit level to a PLC.
- Low Cost
- Large LCD Display
- Programmable Signal Relay
- Built-in 2-Key Calibrator
- Watertight, Dust tight Enclosure
- Self-Testing
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The LVU1500-LP Series Two-Wire ("Four-Wire" for four wire unit), non-contact continuous level transmitter, is easy to program, can be used in hazardous locations, and offers unique stainless steel and ¾ NPT sensors. It is a great choice for sanitary, hazardous, dirty, corrosive or high purity processes. The 4 to 20 mA output is compatible with all control systems and updates quickly making the LVU1500 Series the right choice for fast filling processes.
The LVU1500 Series is plug-andplay. Digital signal processing, and automatic temperature compensation eliminates all adjustment except zero and span. Zero and span calibration is set directly in inches using digital switches and requires no power. The rugged epoxy coated aluminum enclosure survives where plastic enclosures fail.
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Pulsar™ pulse burst radar transmitters are the latest generation of loop-powered, 24 VDC, level transmitters. It has lower power consumption, faster response time and is easier to use than most loop-powered radar transmitters and can be utilized on virtually all level measurement and control applications.
Application conditions include processes exhibiting varying specific gravity and dielectric, visible vapors, high fill/empty rates, turbulence, low to moderate foam and buildup.
Pulsar features IS, XP and Non-Incendive approvals, HART® digital communications, 5.8 or 6.3 GHz operating frequency and embedded software enabling configuration without the need for another device such as a PC.
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Radar measurement technology is non-contacting and low maintenance. Because microwaves require no carrier medium, they are virtually unaffected by the process atmosphere (vapour, pressure, dust or temperature extremes). Siemens Milltronics offers a choice of models to meet the specific needs of your application.
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Siemens ultrasonic level measurement products are the cost-effective choice for monitoring and control in short- to long-range applications for liquids, slurries, and solids in a wide range of industries. Non-contacting technology offers low maintenance advantages. Siemens is the world leader in ultrasonic level measurement technology, with many models available and strong application experience to support you.
Ultrasonic Transmitters
Ultrasonic Transmitters provide easy-to-use continuous measurement. These transmitters offer superior reliability for level, volume, and flow applications in the water and wastewater, food, and chemical industries.
Controllers
Extensive product range from simple single-channel controllers to versatile systems for the monitoring of ten measuring points.
Transducers
Wide range of transducers with various measuring ranges, applications, and process connections
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