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MEGOHMMETERS
A MEGOHMMETER IS A MEASUREMENT DEVICE FOR OHMIC VALUE OF AN INSULATION.
A very stable direct voltage, set most of the time at a standardized value (i.e. 500V DC) is applied to the terminals of the sample to be tested. The measurement of the very low current flowing through the sample is made by a highly sensitive ammeter circuit (electrometer). A measurement integrator makes it possible to obtain the value R = U / I of the "insulation resistance".
MEGOHMMETER Selection Guide
| Product | Description | Housing | Max. voltage test | Max. measured value | Typical accuracy | Communication ports |
|---|---|---|---|---|---|---|
|
Mégohmmètre SEFELEC 1000-M, écran tactile Isolement: 200GOhm max. Tension d'essai 20-1000VDC |
Appareil de table / Baie de test | 1000V | 2 TOhms | 2% | Ethernet - RS232 - USB - API - 0..10V |
|
Mégohmmètre / Pico-Ampèremètre Gammes 2000 TOhm et 20,00 pA Tension d'essai de 1V à 1500VDC Ecran tactile. |
Appareil de table / Baie de test | 1500V | 2000 TOhms | 0,2% | Ethernet - RS232 - USB - API - 0..10V |
|
Mégohmmètre autonome portatif, présenté en coffret robuste, Alimenté par piles. | Portable | 1000V | 4 TOhms | 5% | |
|
Pour les tests de controle et de maintenance des équipements industriels | Portable | 5000V | 10 TOhms | 5% | |
|
Controleur d'isolement 25 TΩ sous 10 kV | Portable | 10000V | 25 TOhms | 5% | USB |
|
Controleur d'isolement 30 TΩ sous 15 Kv | Portable | 15000V | 30 TOhms | 5% | USB |
|
Safety enclosure for 15KV HV tests - Small size. Internal dimensions : Height: 212 mm x Width: 390 mm x Depth: 424 mm in addition to SELELEC 5x, RMG and SYNOR, this enclosure is designed to perform HV tests safely. |
0€
Mégohmmètre SEFELEC 1000-M,
écran tactile
Isolement: 200GOhm max.
Tension d'essai 20-1000VDC
Appareil de table / Baie de test
1000V
2 TOhms
2%
Ethernet - RS232 - USB - API - 0..10V
0€
Mégohmmètre / Pico-Ampèremètre
Gammes 2000 TOhm et 20,00 pA
Tension d'essai de 1V à 1500VDC
Ecran tactile.
Appareil de table / Baie de test
1500V
2000 TOhms
0,2%
Ethernet - RS232 - USB - API - 0..10V
0€
Mégohmmètre autonome portatif, présenté en coffret robuste, Alimenté par piles.
Portable
1000V
4 TOhms
5%
0€
Pour les tests de controle et de maintenance des équipements industriels
Portable
5000V
10 TOhms
5%
0€
Safety enclosure for 15KV HV tests - Small size.
Internal dimensions : Height: 212 mm x Width: 390 mm x Depth: 424 mm
in addition to SELELEC 5x, RMG and SYNOR, this enclosure is designed to perform HV tests safely.
APPLICATION
- Cable manufacturer (measure made on reel, on 1m cable samples, … tests performed between shielding against wires)
- Transformers, coils, electrical motors
- Components (capacitors, resistances, …)
- Aeronautic, aerospace sub assemblies (satelites panels, …)
- Connector, switches
- Test laboratories (insulated materials such as paper, ceramic, plastics, ...)
- Car industry (splices, cable samples in salty water, …)
- Printed circuit boards
SPECIFICATIONS OVERVIEW
HANDLE OR BENCH EQUIPEMENT FOR LABORATORIES, FOR MANUAL USE OR AUTOMATED TEST SYSTEMS, OUR RANGE PROVIDE SOLUTIONS TO THE FOLLOWING APPLICATIONS:
- Resistance measurement up to 2000 TΩ
- DC Voltage from 1V up to 70 kVDC (1V steps)
- Picoammeter function from 0.1 pA
- Ethernet, GPIB, RS232, 0-10V, PLC available
- High accuracy down to 0.2%
- Surface Insulation Resistance (S.I.R.) testing according to IPC-TM-650 2.6.3.3, DIN 32513, ANSI/J-STD-004, Bellcore GR-78, JIS Z 3284, … with IsoScan switching matrix
- Surface and resistance measurement according to DIN53482, VDE0303, IEC93 with our SRE24 probe