SM7420 Super Megohm Meter

Product enquiry for SM7420 Super Megohm Meter

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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.

The SM7420 is industry’s fastest 4-channel simultaneous super megohm meter that supports applications for improving the productivity of passive components such as capacitors and filters.

 

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

Number of channels 4ch
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 50 Ω to 2 × 10 ^19 Ω
Note: Resistance measurement accuracy is defined by the current range accuracy and voltage setting accuracy.
Measurement time setting Delay: 0 to 9,999 msec
Functions CH independent low capacity contact checks, CH independent cable length correction, CH independent jig capacity open compensation, comparator
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)
Power supply 100 to 240V AC , 50/60 Hz, 45 VA
Dimensions and mass 330 mm (12.99 in)W × 80 mm (3.15 in)H × 450 mm (17.72 in)D, 6.5 kg (229.3 oz)
Accessories Power cord ×1, Instruction manual ×1, CD-R (Communications command instruction manual, USB driver) ×1, EXT I/O male connector ×1

Key Features

  • 300 times better noise resistance
  • 6000 ps/minute - ideal for mass production
  • Channel-independent low capacity contact check
  • Perfect for equipping on automated machines
  • 2 × 10^19 Ω display
  • 0.1 fA resolution
  • Built-in EXT I/O, RS-232C, GP-IB and USB
  • Ideal for mounting in automated lines, easy to construct MLCC leakage current inspection lines

Application Notes