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The V420 is an 8-channel, isolated, programmable resistance simulator. It uses entirely solid-state simulation to eliminate transient errors associated with relay switching, and provide for monotonic resistance changes. Channels are individually programmable in four resistance ranges, from 5 ohms to 65.5K on all ranges. Channels can operate from microvolts up to 24V / 50mA. Overload protection and channel error detection are included.
Any channel may be rerouted, under software control, to the front-panel calibration-check connector, allowing the board to be tested for calibration by a precision DVM without disturbing the connections to the equipment under test. The BIST option adds an onboard precision ohmmeter, allowing loopback checking and full automatic self-test. Optional external termination and bridge-completion boards are available.
Features Include:
- Eight channel, isolated, wide-range, 2/4 wire resistance simulator.
- Fast, monotonic, glitch-free resistance value programming.
- Suitable for simulating resistors, platinum/copper RTDs, thermistors, strain gages, load cells.
- Users may directly program resistances or RTD simulation (copper or platinum) temperatures.
- Four programmable resistance ranges allow resistances from 5 ohms to 65.5 Kohms.
- Any channel is switchable to front-panel calibration check connector for in-system test without disconnecting field wiring.
- Simple register based VME interface with no handshaking required.
- Optional built-in self-test (BIST) and mil/COTS versions available.
- Optional termination panels and bridge completion boards available.
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The ground resistance of substations can be measured with two auxiliary electrodes which are put into the ground. To avoid influences from the mains current and its harmonics, this measurement should preferably be carried out with 128 Hz.The high output power of the CPC 100 ensures a high ratio of the signal level to the noise level. Thanks to the signal processor technology, the measuring procedure is very selective and disturbances by ground currents are reduced to a minimum.
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Earth Testing covers the testing of earth electrodes and the measurement of soil resistivity. The instrument requirements depend on the range of applications.
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MIT410TC and MIT430
Insulation Resistance and Continuity Testers
• Insulation testing up to 1000 V and 200 G?
• Patented analog arc and dual digital display
• CAT IV 600 V rating
• TRMS & DC Voltage measurement
• Continuity testing at 200 mA or 20 mA down to 0.01
• Pass/Fail limit alarms
• PI/DAR and Timer function
• Test result storage (MIT430)
• Bluetooth® wireless data transfer (MIT430)
• Three year product warranty
• IP54 rated
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FEATURES:
1. DIM 571 is a LCD Indicated instruments for insulation (M Ohm), Continuity (OHM) and AC Voltage
2. Three Insulation test voltage (DCV): 250V, 500V, 1,000V.
3. Large LCD display(68 x 34mm)
4. Test Insulation at rated voltate into 1 1mA load
5. 200mA short circuit continuity current.
6. Timer for test functions (3 ~ 5 minutes)
7. Data Hold function
8. Auto power off function
9. Automatic circuit dischage
10. Fuse proection
11. EN61010 CAT III 600V
12. BS 16" Edition
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The IRT 1557 is a small, lightweight insulation resistance and continuity tester. Hand-held, it's a superb addition to any test engineer's toolkit.
It performs measurements according to BS 7671 16th/17th Edition Wiring Regulations and Part P. Seaward's unique integrated safety probe puts the LCD and test probe in the user's line of sight whilst making measurements, no other tester does this. IRT 1557 is fully compliant with EN 61557 and IEC 61010-1 600v CAT lll. Automatic discharge of capactive circuits, it gives you automatic warning of the presence of hazardous voltages.
It comes with an easy to use rotary setting switch. The IRT 1557 offers a number of unique features, including voltage measurements up to 1000AC or DC and a dual safety rating. With incredible robustness the IRT 1557 provides all the tests you need with a safe feel.
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3731 Clamp-On Ground Resistance Testers
The Clamp-on Ground Resistance Tester Model 3731 measures ground rod and small grid resistance through any season, without the use of auxiliary ground rods.
Check Resistance on Single and Multiple Rods or Grids
Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The Model 3731 simply clamps around the ground conductor or rod and measures the resistance to ground. By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and continuity of grounding loops around pads and buildings may also be measured.
The Model 3731 also provides alarm and memory functions.
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Ground resistance meter 3-electrode measurement on the 3151 gives greater precision !
Ground resistance measurement involves factors that are not encountered during ordinary resistance measurement, such as polarization of the earth, the influence of grounding current due to leak current and grounding voltage, and the influence of auxiliary grounding resistance. The 3151 is able to make more accurate measurements more safely under difficult conditions because it uses the alternating current potentiometer method to provide measurement accuracy, and because it contains features such as an auxiliary grounding resistance check feature and measurement frequency switching.
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1040 1000V Megohmmeters
The Megohmmeter Model 1040 is a battery powered digital insulation resistance tester. It is designed to measure insulation resistance, continuity, voltage and to measure resistance. The Model 1040 tests are 500 and 1000V. It incorporates a 600V voltmeter which automatically detects and accurately displays AC/DC voltages in the test circuit on each of the insulation test voltage ranges. Above 25V it also provides an audible and visual signal, and inhibits further tests, thus protecting the user and the meter.
An exceptionally large digital/analog multi-function display provides clear and easy readings enhanced by a bright blue electroluminscent backlight.
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1039 100V Megohmmeters
The Megohmmeter Model 1039 is a battery powered digital insulation resistance tester. It is designed to measure insulation resistance, current, capacitance, cable length, voltage and to measure resistance. The Model 1039 tests are 50 and 100V. It incorporates a 600V voltmeter which automatically detects and accurately displays AC/DC voltages in the test circuit on each of the insulation test voltage ranges. Above 25V it also provides and audible and visual signal, and inhibits further tests, thus protecting the user and the meter.
An exceptionally large digital/analog multi-function display provides clear and easy readings enhanced by a bright blue electroluminscent backlight.
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1000V Megohmmeters
AEMC® manufactures a complete line of insulation testers designed to test the quality of insulation using 1000V test voltage required for testing equipment designed to be powered by 480VAC. Both analog and digital meters are available. AC powered, battery powered and hand crank models are available. Most models will measure into the GΩ and TΩ range. Most models offer multi-function capability, measuring AC/DC volts, resistance and continuity as well as insulation resistance. Both hand held instruments and rugged instruments built into portable cases are available.
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5000V Megohmmeters
AEMC® manufactures a complete line of insulation testers designed to test the quality of insulation using 5000V test voltages required for testing large motors, generators, transformers and cables. Both analog and digital meters are available. AC powered and battery powered models are available. Most models will measure into the GΩ and TΩ ranges. All models offer multi-function capability, measuring AC/DC volts, resistance and continuity as well as insulation resistance. Both hand held instruments and rugged instruments built into portable cases are available.
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METRISO 5000A: analog high-voltage insulation measuring instrument with 4 measuring voltages: 100, 250, 500
and 1000 V (per EN 61 557 part 2) and 1500, 2000, 2500 and 5000 V
METRISO 5000AK: The battery powered METRISO 5000 A is converted into the muscle powered
METRISO 5000AK by replacing the battery module with a crank generator.
- Extensive measuring range: 10 kOhm... 1 TOhm
- Measuring range: 100 kOhm... 100 MOhm (1000 V)
- Measuring voltages: 100 V, 250 V, 500 V, 1000 V, 1500 V, 2000 V, 2500 V, 5000 V
- Measurements to 1000 V per DIN VDE 0413
- Voltage measurement to 2000 V ,
- Concise logarithmic display
- Guard terminal for the elimination of surface current
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The DRM-100 instrument can precisely measure contact resistance on circuit breakers, switches, bus bar joints and other lowresistance devices in a high voltage environment.
Digital Resistance Meter Instrument Features
* Precise contact resistance measurement
* True DC current is automatically ramped up and down
* Test cycle programmable from 10-60 seconds
* Large, bright, high resolution, color screen
* Continuous mode for trouble shooting
* High accuracy and resolution
* Emergency OFF button and auxiliary grounding terminal for safety
* High strength and waterproof Instrument case for rough field use
* Test leads and accessories in separate carrying case
* Also available with internal memory, printer, USB port. Model DRR-100
* Color screen
* Auto ranging
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Teraohm, is an ultra high range insulation resistance testing instrument with an output voltage of up to 10000 volts dc. It will measure up to 10 TeraOhms (10,000,000 MegaOhms). This insulation tester is suited for transformer, generator and large motor insulation resistance testing.
Features
* Insulation resistance measurement up to 10 TeraOhm (10,000,000 MegaOhm)
* Output voltage up to 10 kV in steps of 25 V
* Diagnostic tools (PI, DAR, DD)
* Fast charging of capacitive loads using 5 mA current source
* Automatic discharge of capacitive charge
* Large display with digital and bar-graph results
* Optional TeraLink Pro PC software for MS Windows®
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Digital Winding Resistance Reporter
Model DWR-10
The Digital Winding Resistance (DWR) REPORTER can measure and save more than 10,000 high-resolution test results along with transformer nameplate data. With its expansive memory, its bright 45/8" x 3½" LCD screen and the attractive reports from its 40-character wide built-in printer, the DWR is the new standard in test equipment for the Transmission and Distribution Industry. The DWR can store hundreds of files. Each file can contain a virtually unlimited number of winding resistance measurements with tap and winding details of each, and several fields of information about the transformer, its location and the operator's name.
DWR REPORTER Features
- A large, color LCD screen for entering equipment details and presenting results, in various languages
- An expansive memory capacity for test results
- A robust power supply for fast testing of large power transformers
- An 40-character-wide built-in printer
- Remote tap-changer operation
- Compatible with Microsoft Excel® and Microsoft Word®
The Digital Winding Resistance Reporter file manager makes it easy to locate, open, view and print past results. Files are conveniently named according to the transformer serial number (up to 99 duplicates are permitted using an automatic suffix). Files are easily transferred to PC (RS-232 and USB ports).
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50 Hz single-phase resistance welding station.
- Station equipped with a pneumatic resistance welding head.
- Manual loading and unloading of the components.
- Possibility to mount vertical and horizontal heads.
- Control of the welding force and welding position and forging (options).
- Mounting of an automatic strip brazing feeding device for resistance brazing applications (option).
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Transportable microwelding equipment for surfacing tools on site (Whithout interruption of production, or dismantling of tools) such as:
- Plastic injection molds
- Cutting Tools
- Rubber Injection
- Extrusion
- Blowing
This device allows microwelding report of the material in small amounts through a variety of materials available in the form of powder, wire or ribbon (36 to 62 HRC).
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ARO controls are supplied in a complete range of welding cabinets to meet all requirements to 50/60 HZ or MFDC
Ease of use and reliabilility are the basic ingredients of the ARO control product range. Many variants and options guarantee efficient use for all types of applications.
Over and above the performance, reliability and ergonomic criteria of the work station, each of these products can solve cost reduction and control problems for the targeted application. In all cases, ARO provide solutions adapted to the specific requirements of each application and client.
In manual welding systems, the ARO Compact Welder is a popular solution and has the benefits of reduced installation time and cost. Products such as the AR 01, Micro 2x16 iii and ARONET are well proven, specially adapted to the application.
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