HIOKI 3157-01 AC Grounding HiTester
-1) Protective continuity resistance measurement for medical devices and general electrical devices
-2) Ground connectivity testing when installing electrical machine tools and distribution panels
-3) Testing of protective grounding and isopotential grounding work for medical equipment
-4) Evaluation of contact status using large currents
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Basic functions |
AC 4-terminal method resistance measurement |
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Display |
Fluorescent tube (digital display) |
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Current setting range |
3.0 A to 31.0 A AC (0.1 A resolution), into 0.1Ω load |
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Max. output power |
130 VA (at output terminals) |
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Open-terminal voltage |
Max. 6 V AC |
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Generator frequency |
50 Hz or 60 Hz sine wave (selectable) |
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Resistance measurement |
0 to 1.800 Ω (0.001 Ω resolution), Accuracy: ±2% rdg. ±4 dgt. after zero-adjust |
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Voltage measurement |
0 to 6.00 V AC (single range 0.01 V resolution), Accuracy: (1 % rdg. +5 dgt.) |
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Monitor section |
0 to 35.0 A AC/ 0 to 6 V AC, Refresh rate: 2 times/s |
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Timer display |
Counts down time after start until preset time, Shows elapsed time after start |
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Timer setting |
0.5 s to 999 s |
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Comparator |
PASS/FAIL evaluation using preset upper/lower limit, buzzer sound, signal output |
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Memory function |
Max. 20 settings (with save/load) |
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Interfaces |
EXT I/O, EXT SW, GP-IB or RS-232C (option) |
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Power supply |
100 to 120 V/200 to 240 V AC (switching, 50/60 Hz) |
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Dimensions and mass |
320 mm (12.60 in)W × 90 mm (3.54 in)H × 263 mm (10.35 in)D, 7 kg (246.9 oz) |
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Accessories |
Power cord ×1, Instruction Manual ×1, Spare fuse (inlet) ×1, Shorting bar ×2 |
• Easily perform protective continuity testing in compliance with international safety standards and laws
-1) Protective continuity resistance measurement for medical devices and general electrical devices
-2) Ground connectivity testing when installing electrical machine tools and distribution panels
-3) Testing of protective grounding and isopotential grounding work for medical equipment
-4) Evaluation of contact status using large currents
• Feedback control system that is capable of applying a stable current even with a fluctuating load
• Soft-start function that checks the connection to the device under test before applying the current
