3157-01日本日置HIOKI 3157-01交流接地電阻測試儀

3157-01日本日置HIOKI 3157-01交流接地電阻測試儀

3157-01 HIOKI HIOKI 3157-01 AC earthing resistance tester

Protective earthing tester must standards certification

Simple realization of protection in accordance with the domestic and foreign various safety standards and regulations conducting test for medical electrical equipment and the general protection of electrical equipment on resistance measurement of electrical equipment, power distribution board is arranged at the ground check medical equipment protective grounding, equipotential earthing engineering evaluation of large current flows through the contact state

Be applied to constant current feedback control mode does not vary withload

Confirm the connection test equipment, current applied software startup

This machine can not only measure. Please press the correspondingmeasure, with options 9296 current probe (2), or a 9296 current probe and a 9297 current and the 1 probe.

Basic parameters

Measurement items

Low resistance, AC 4 terminal method

Generator

Current generator principle: the PWM constant current control

Current setting range: 3.0A ~ 31.0A (0.1A resolution), 0.1 load

The maximum output power: 130VA * 1 (output) * 1

Main effects: reduce the ambient temperature (40 ℃ for 80%)

Frequency: 50Hz or 60Hz sine wave

Soft start function: only the current supply in the test load is connected

Monitoring section

Resistance measurements: 0 ~ 1.800 (0.001 resolution)

Accuracy: ± 2%rdg. ± 4dgt. (after a zero adjustment)

Current monitoring range: AC 0 ~ 35.0A (0.1A resolution)

Monitoring cycle: 2 /s

Other functions

Timing: from the initial time to the present time countdown, or displayfrom the start moment of time

Set the range: 0.5 ~ 999 seconds

The comparator: with the upper / lower bounds to evaluate the pass / fail,I/O output

The largest group of 20 storage (storage / call)

Display

Fluorescent tube digital display

Power supply

AC 100 ~ 120V, 200 ~ 240V (automatic switch), 50/60Hz

Volume and weight

320 wide by 90 high x 263 mm thick, 7kg

Annex

Power line (1), a fuse (1), short circuit protection (2)