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AOIP OM21-4C Programmable Micrometer
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AOIP OM21-4C
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Features:
- Prog Micrometer/RS232/IEEE/Battery
- High resolution: 0.1 μW
- Programmable by RS232 or IEEE 488 link
- High accuracy: 0.03%
- Choice of current waveforms
- Storage and analysis of 1 000 measurements
Applications:
- Cable resistance and resistivity measurements: High resolution (0.1 μW), Compensation for sample temperature and thermal emfs, Display in W/km.
- Metallisation and ground continuity measurements: GAM-EG13 standards, Pulsed or alternate current (10 A), Automatic compensation for thermal emfs.
- Contact resistance measurements (connectors, switches, relays), Standard NFC 93050, DIN/IEC, Maximum measurement Voltage limited to 20 or 50 mV, Automatic compensation for thermal emfs.
- Inductive resistance measurement (motors, transformers, etc.): Total protection against overvoltages, Direct current, Compensation for thermal emfs and for sample temperature, Automatic calculation of winding heating.
- Measurement of heat-sensitive devices (thermistors, temperature-sensitive components): Single-shot, pulsed current, very low power delivered.
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Description
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OM21-4C micro-ohmmeter with battery and charger and IEEE is used for four-wire resistance measurement of very low values (with a resolution of 0.1 ohm)up to 20kohm, with an excellent accuracy It can be powered from mains or from rechargeable batteries. The instrument is calibrated electronically, with no internal adjustment needed.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| OM21-4C |
Programmable Micro-Ohmmeter with RS232, IEEE and Battery |
$7995.00 |
| $7675.20 |  |
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| OM21-1C |
Programmable Micro-Ohmmeter with RS232 |
$6375.00 |
| $6120.00 | |
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| OM21-3C |
Programmable Micro-Ohmmeter with RS232 and IEEE |
$7665.00 |
| $7358.40 | |
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| OM21-2C |
Programmable Micro-Ohmmeter with RS232 and Battery |
$6850.00 |
| $6576.00 | |
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| Model |
Accessories |
List Price |
Sale Price |
| AMT003 |
Kelvin Test Probe 3M long |
$500.00 |
| $475.00 | |
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| AMT004 |
Kelvin Clip |
$205.00 |
| $194.75 | |
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| AMT002 |
Power Supply 3V 10A |
$1735.00 |
| $1648.25 | |
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| AN5806 |
Please call or email us for pricing and availability. |
| AN5884 |
Rack Mounting Kit for Rack Installation (T2 box type) |
$295.00 |
| $283.20 | |
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| AN5883 |
Mounting Bracket for Panel Installation (T2 box type) |
$155.00 |
| $148.80 | |
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| AN6901 |
Soft Carrying Case |
$355.00 |
| $340.80 | |
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| AN5874 |
RS232 9/25 pin Female Cable |
| Call | |
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| AN5875 |
RS232 9/9 pin Female Cable |
$65.00 |
| $62.40 | |
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| AN5836 |
IEEE 488.2 Cable (2m) |
$650.00 |
| $624.00 | |
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| AN5894 |
Please call or email us for pricing and availability. |
| 2381 |
Please call or email us for pricing and availability. |
| 2388 |
Please call or email us for pricing and availability. |
| OM2-LABV-DRIV |
Please call or email us for pricing and availability. |
Specifications
| General Specifications |
| Display |
26 000 counts, 16-segment illuminated LCD, 11.5 mm high, alphanumeric characters for messages, measurement indication includes value and unit of measurement. Incorrect connections or measurements going beyond range are indicated by an error message. Manual or automatic range change. Manual or automatic measurement triggering, with measurement rate programmable from one measurement per second to one per hour. Four-wire measurement. |
| Measurement current |
Amplitude selection (from 100 μA to 10 A)
Waveform selection continuous, alternate pulses, positive pulses
With each type of current, measurements can be single-shot or repetitive (possibility to select the repetition rate)
Current may also be supplied from an external source. |
| Measurement time |
< 1 second in continuous mode
< 1.5 second in pulsed mode
< 2 seconds in alternating pulsed mode. |
| Protection |
Electronic protection against break-off currents when measuring an inductive resistance
Possibility of limiting the voltage across the resistor terminals to 20 or 50 mV. |
| Nominal operating range |
0 to 50°C, 20 to 75% relative humidity. |
| Operating range limits |
-10 to 55°C, 10 to 80% relative humidity. |
| Power supply |
110/220 VAC ± 10%, 50/60 Hz
optional battery with built-in charger. |
| Presentation |
Bench unit with optional rack mounting kit. |
| Dimensions |
225 x 88 x 300 mm. |
| Weight |
2 to 3 kg depending on options. |
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