HIOKI - Model SM7420 -4 Channel Megohmmeter

The Hioki SM Series Super Megohm Meters are ultra-low current, high resistance inspection devices with 0.1 fA resolution to deliver accurate testing on production lines. The SM7420 is the industry`s fastest 4-channel simultaneous super megohmmeter supporting applications to improve the productivity of passive components such as capacitors and filters.

Main features

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

• Number of channels : 4 channels
• DC current measurement :
• 20 pA Range (0.1 fA resolution), Accuracy: ± (2.0% of reading +30 dgt.)
• 200 pA Range (1.0 fA resolution), Accuracy: ± (1.0% of reading +30 dgt.)
• 2 nA Range (10 fA resolution), Accuracy: ± (0.5% of reading +20 dgt.)
• 20 nA Range (100 fA resolution), Accuracy: ± (0.5% of reading +10 dgt.)
• 200 nA Range (1 pA resolution) , Accuracy: ± (0.5% of reading +10 dgt.)
• 2 µA Range (10 pA resolution), Accuracy: ± (0.5% of reading +10 dgt.)
• 20 μA Range (100 pA resolution), Accuracy: ± (0.5% of reading +10 dgt.)
• 200 μA Range (1 nA resolution), Accuracy: ± (0.5% of reading +10 dgt.)
• * 2 mA range (1 nA resolution), Accuracy: ± (0.5% of rdg. +30 dgt.)
• (1) SLOW2 measurement speed (13PLC internal integration time)
• (2) At a temperature of 23 °C ± 5 °C with a humidity of 85% rh
• (3) 2 mA range (FAST only measurement speed)
• Resistance Measurement Capabilities : 50 Ω to 2 × 10^19 Ω
• Note: The resistance measurement accuracy is defined by the current range accuracy and the voltage setting accuracy.
• Measurement time setting : Delay: 0 to 9999ms
• functions : CH independent low capacitance contact checks, CH independent wire length correction, CH independent jig capacitance 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 240 V 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 (command instruction manual, USB driver) × 1, EXT I/O male connector × 1