Hioki SM7120 Super Megohmmeter | APC Technology Group
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SM7120

SM7120

Hioki

Super Megohmmeter

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Rapid 6.4ms Super Megohm and Low Current Testing

The Hioki SM Series Super Megohm Meters are high resistance and ultra-low current inspection devices with a 0.1 fA resolution to offer precise testing on production lines. To accommodate vehicle components with increasingly high breakdown voltages, the SM7120 is the first insulation tester in the world to be able to output a measurement voltage of 2000 V.

Key Features

  • 300 times better noise resistance
  • Max. 2000 V output: SM7120
  • Max. 2 × 10^19 Ω display
  • Min. 0.1 fA resolution
  • Built-in EXT I/O, RS-232C, GP-IB and USB
  • Flexible, Multipurpose Design, High Resistance Meter/Electrometer/Picoammeter/IR Meter
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More Information
Attribute Value
Power Supply 100 to 240V AC , 50/60 Hz, 45 VA
Included Accessories Power cord ×1, Instruction manual ×1, CD-R (Communications command instruction manual, USB driver) ×1, EXT I/O male connector ×1, Short plug ×1
Number of Channels 1
Display LCD (8 lines of 30 characters), with backlight, High voltage warning indicator
Interfaces USB, RS-232C, GP-IB, EXT I/O (NPN/PNP can be switched)
Program Function 10 types of discharge, charge, measure and measurement sequence discharge patterns can be programmed.
Functions Comparator, averaging, self-calibration, jig Capacity open correction, cable length correction, surface resistivity, volume resistivity, voltage monitor, contact check
Dimensions and Weight 330 mm (12.99 in)W × 80 mm (3.15 in)H × 450 mm (17.72 in)D, 5.9 kg (208.1 oz)
DC Current Measurement

20 pA range (0.1 fA resolution), Accuracy: ±(2.0 % of rdg. +30 dgt.)
200 pA range (1.0 fA resolution), Accuracy: ±(1.0 % of rdg. +30 dgt.)
2 nA range (10 fA resolution), Accuracy: ±(0.5 % of rdg. +20 dgt.)
20 nA range (100 fA resolution), Accuracy: ±(0.5 % of rdg. +10 dgt.)
200 nA range (1 pA resolution), Accuracy: ±(0.5 % of rdg. +10 dgt.)
2 μA range (10 pA resolution), Accuracy: ±(0.5 % of rdg. +10 dgt.)
20 μA range (100 pA resolution), Accuracy: ±(0.5 % of rdg. +10 dgt.)
200 μA range (1 nA resolution), Accuracy: ±(0.5 % of rdg. +10 dgt.)
*2 mA range (1 nA resolution), Accuracy: ±(0.5 % of rdg. +30 dgt.)
(1) Measurement speed SLOW2 (internal integration time 13PLC)
(2) At a temperature of 23 °C ±5 °C with humidity of 85% rh
(3) 2 mA range (Measurement speed FAST only)
Resistance Measurement Capabilities

1×10 ^3 Ω to 2×10 ^19 Ω
Note: Resistance measurement accuracy is defined by the current range accuracy and voltage setting accuracy.
Setting Voltage Range (Accuracy)

0.1 to 100.0 V, 100 mV resolution, Accuracy: ±0.1 % of setting ±0.05% f.s.
100.1 to 1000 V, 1 V resolution, Accuracy: ±0.1 % of setting ±0.05% f.s.

[SM7120 only]
1000 to 2000 V,1 V resolution, Accuracy: ±0.2 % of setting ±0.10% f.s.
Current Limiter 0.1 to 250.0 V: 5/ 10/ 50 mA, 251 to 1000 V: 5/ 10 mA, to 2000 V:1.8 mA
Measurement Time Setting Delay: 0 to 9,999 ms
More Information
Attribute Value
Data Sheet Click here to view

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