Máy kiểm tra nối đất an toàn cho thiết bị điện Hioki 3157-01

Specifications Hioki 3157-01

Measurement items

Low resistance, AC 4-terminal method

Generator section

Current generator principle:PWM constant current control
Current setting range: 3.0 A to 31.0 A (0.1 A resolution), into 0.1 Ohm load
Maximum output power: 130 VA*1 (at output terminals)
*1 Subject to derating according to ambient temperature (80 % at 40 ‹C)
Frequency: 50 Hz or 60 Hz sine wave
Soft start function: Apply current only after checking load connection

Monitor section

Resistance measurement:0 to 1.800 Ohm (0.001 Ohm resolution)
Accuracy: ±2 % rdg. ±4 dgt. (after zero-adjust)
Current monitoring range: 0 to 35.0 A AC (0.1 A resolution)
Monitoring cycle: 2 times/second

Other functions

Timer setting:Counts down time after start until preset time, or shows elapsed time after start
Setting range: 0.5 to 999 second
Comparator: Pass/Fail evaluation using preset upper/lower limit, I/O output
Memory function: max. 20 settings (with save/load)

Display

Fluorescent tube digital display

Power supply

100 to 120 V, 200 to 240 V AC (auto-switching), 50/60 Hz

Dimensions, mass

320 mm(12.60 in)W × 90 mm(3.54 in)H × 263 mm(10.35 in)D, 7 kg (246.9 oz)