AMPTEC RESEARCH 620ES 中频数字故障保护欧姆表 (2 Ω, 200 Ω)

Range, Resolution, Accuracy, & Current Levels

Range: 2 Ω

Nominal Current: 5 mA

Failsafe Current: 8 mA

Resolution: 100 uΩ

Accuracy: ± .02% of reading & ± .05% of range

Range: 20 Ω

Nominal Current: 5 mA

Failsafe Current: 8 mA

Resolution: 1 mΩ

Accuracy: ± .02% of reading & range

Range: 200 Ω

Nominal Current: 50 uA

Failsafe Current: 8 mA

Resolution: 10 mΩ

Accuracy: ± .02% of reading & range

Range: 200K Ω

Nominal Current: .5 uA

Failsafe Current: 8 mA

Resolution: 10 Ω

Accuracy: ± .02% of reading & of range

General Specifications

Display: 4 1/2 digit LED

Terminals: Banana jack binding posts

Storage Temperature Range: -20° to 70° C

Operating Temperature Range: 0° to 50° C

Dimensions: 9.75″ x 10″ x 3.25″

Weight: 3.5 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

Manual