High Resistance Meter SM7420
High Resistance Meter SM7420
High Resistance Meter SM7420
High Resistance Meter SM7420
High Resistance Meter SM7420
High Resistance Meter SM7420

High Resistance Meter SM7420

Specialized 4ch micro-current measurement model suitable for installation in automatic equipment.

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:: Achieved 300 times the interference immunity of conventional models.
● High-speed measurement of up to 6.4ms
● Channel independent low capacitance contact check
● Maximum display 2 x 10^19 Ω, minimum resolution 0.1 fA
● EXT I/O, RS-232C, GP-IB, USB are standard.
● Ideal for installation in automated equipment to build simple MLCC leakage current check lines.

Test probes are not supplied as standard. Please purchase the optional probe separately according to the purpose of the test.

Basic parameters (accuracy guaranteed for 1 year, adjusted accuracy guaranteed for 1 year)

Number of measurement channels 4ch
DC current measurement (accuracy) 20 pA range (resolution 0.1 fA), 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 (resolution 10 pA), 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 (resolution 10 nA), accuracy ±(0.5% of rdg. +30 dgt.)
(1) Measurement speed setting SLOW2=When internal accumulation time is set to 13 PLCs
(2) Temperature range 23 ±5°C Humidity 85% rh or less
(3) 2 mA range can only be selected when the measuring speed is FAST.
Resistance Display Range 50 Ω ~2×10 ^19 Ω
Resistance measurement accuracy is defined by current range accuracy and voltage setting accuracy.
Current Limit 0.1~250.0 V: 5/ 10/ 50 mA, 251~1000 V: 5/ 10 mA, 1001V~: 1.8mA
Measurement time setting Delay time: 0 to 9999 ms
functionality Channel-independent contact check, channel-independent line length compensation, channel-independent fixture capacitor open compensation, comparator
demonstrate LCD display (30 digits, 8 lines), backlight, high voltage warning display
connector USB, RS-232C, GP-IB
power supply AC100~240 V , 50/60 Hz, 45 VA
Volume and weight 330W × 80H × 450D mm, 6.5 kg
attachment (email) Power cord × 1, Instruction manual × 1, CD (communication instruction manual, USB driver) × 1, Male connector for EXT I/O × 1
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High Resistance Meter SM7420High Resistance Meter SM7420

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