AMPTEC RESEARCH 620MC 宽量程数字故障保护欧姆表 (20 Ω,20 MΩ)

Range: 20 Ω

Nominal Current: 5 mA

Failsafe Current: 8 mA

Resolution: 1 mΩ

Accuracy: ± .02% of reading & range

Range: 200 Ω

Nominal Current: 0.5 uA

Failsafe Current: 1.5 uA

Resolution: 10 mΩ

Accuracy: ± .02% of reading & range

Range: 2 KΩ

Nominal Current: 50 uA

Failsafe Current: 150 uA

Resolution: 100 mΩ

Accuracy: ± .02% of reading & range

Range: 200 KΩ

Nominal Current: 0.5 uA

Failsafe Current: 1.5 uA

Resolution: 10 Ω

Accuracy: ± .05% of reading & range

Range: 20 MΩ

Nominal Current: 0.010 uA

Failsafe Current: 0.015 uA

Resolution: 1 KΩ

Accuracy: ± 2% of reading; ± 0.2% of range

Display: 4 1/2 digit LED

Terminals: 4-wire Kelvin

Storage Temperature Range: -10° to 70° C

Operating Temperature Range: 0° to 50° C

Dimensions: 9.75″ x 10″ x 3.25″

Weight: 3 lbs.

Power: 4 ea rechargeable 5AHr NICAD batteries

Max. Input Voltage: 250 VDC

Open Circuit: 1.6 VDC

Max. Internal Voltage: 4.8 VDC

Update: 3 readings/second

Temperature Coefficient: ± .002% per 1° C

Data sheet