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Testing of insulation plays a great role in electrotechnics.Dielectric breakdown tests are important to the safe functioning of everything from power distribution transformers to household appliances. Impulse voltage tests are characterized by a 1.2/50us waveform. This is as industry standard.
The huge range of devices to be tested requires impulse generators from a few hundred volts(V) up to hundreds of thousands of volts(kV). The impulses have low energy content, but this can vary depending on the application.
EMC PARTNER offer a range of instruments starting from 250V up to 100kV. All units have the necessary connections and safety features relative to the test.
Many product specific standards incorporate insulation testing as part of the safety criteria.
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The S1-552 is an advanced 5kV insulation tester with a high output current and many time-saving features. A large, analog/digital LCD shows resistance valves up to 5 T%u03A9 and incorporated a timer and other test information. The output current, of up to 5mA, speeds up testing by charging capacitive loads quickly.
The 5 and 15-kV Megohmmeters are high-voltage, line operated instruments that can be used on all types of insulation tests ranging from 500 volts to 15 kV.
With over twenty 1-kV models to choose from, selecting the proper Megger insulation tester can appear a bewildering task at first. Actually all the process requires is a little organization. All Megger insulation testers perform essentially the same test in fundamentally the same manner %u2014 accurately and reliably. Refinements and added features, however, separate one model from another in application and operator appeal.
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The partial discharge measurement of electric motors and generators during the current enterprise is world-wide increasingly used. Thus isolation problems can in time be recognized and revision work be better planned.
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MEGATEST-1
Digital Insulation Tester
Large LCD display with 60 segment bar graph
Test voltage 250, 500 V, 1000 V DC
Insulation measurement to 4000 M&Mac189;
Voltage to 600 V AC/DC
Acoustic continuity test
Memory for 4,000 test values
with RS-232 interface
CAT III 600 V
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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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C.A 6549
In its site-adapted casing, the C.A 6549 insulation tester offers quantitative and qualitative insulation analysis, on a large backlit graphic screen!
· measurement range: 10kΩ to 10TΩ!
· 4 fixed test voltages: 500 / 1,000 / 2,500 and 5,000V
· adjustable test voltage position: 40 to 5,100V in 10V or 100V increments
· step voltage mode: R(Utest) measurement curve viewed on the screen and gradient calculated automatically in ppm/V
· DAR, PI and DD quality ratios calculated automatically
· programmable test length and R(t) measurement curve displayed directly on the screen
· with indication of measurement t° after measurement, resistance recalculated to reference temperature for reliable and accurate insulation monitoring
· many other functions: test voltage locking, smooth function, programmable alarms, etc.
· can record thousands of measurements
· RS 232 connector for connection to PC or very compact serial printer
· power supply: rechargeable NiMH battery for 30 days' operating with 10 DAR measurements and 5 PI measurements per day
· electrical safety: IEC 61010-1 Cat.III 1,000V or Cat.I 2,500V and 61557
· dimensions: 270x250x180mm; mass: 4.3kg
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Maximum 5kV Test Voltage - Up to 5TΩ of Insulated Resistance Testing
Safely evaluate the insulation characteristics of high voltage transformers, motors and cables
Measure insulation of high-voltage equipment (such as transformers, cables, and motors)
Automatically calculate and display the PI (Polarization Index) and DAR (Dielectric Absorption Ratio)
Temperature compensation to accurately respond to variations in insulation material
Data storage and USB interface
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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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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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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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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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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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HFM 436 Lambda - Heat flow meter
With the HFM 436 Lambda, samples measuring 30 cm x 30 cm or 60 cm x 60 cm and of variable thicknesses ranging from a few millimeters to 10 (20) cm are tested between two heat flux sensors in fixed or adjustable temperature gradients. After a few minutes for the system to reach equilibrium, the built-in PC or external computer determines the thermal conductivity and thermal resistance of the sample.
Automatic plate movement and determination of the sample thickness simplify test preparation.
All test parameters as well as the calibration data are stored in the PC and documented.
Determination of thermal conductivity with the HFM 436 Lambda meets the industry standards ASTM C 518, ISO 8301, JIS A 1412, DIN EN 12939, DIN EN 13163 and DIN EN 12667.
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