AC GROUNDING HiTESTER
3157
Protective Ground Tester Indispensable for Standards Certification
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myHioki
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The Hioki 3157 is an AC ground bond tester designed for protection circuit testing of a wide range of electrical equipment, including industrial machinery, medical equipment, and measuring instruments using a constant current system, enabling it to provide stable output current. Key Features • 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
Model No. (Order Code)
| 3157-01 | 100-120 / 200-240 VAC switching |
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Note: This instrument is not capable of performing measurement by itself. Please purchase two Current probe 9296 units or one Current probe 9296 and one Current apply probe 9297, depending on your measurement application.
Option
Option
Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| Basic functions | AC 4-terminal method resistance measurement |
|---|---|
| Display | Fluorescent tube (digital display) |
| Current setting range | 3.0 A to 31.0 A AC (0.1 A resolution), into 0.1Ω load |
| Max. output power | 130 VA (at output terminals) |
| Open-terminal voltage | Max. 6 V AC |
| Generator frequency | 50 Hz or 60 Hz sine wave (selectable) |
| Resistance measurement | 0 to 1.800 Ω (0.001 Ω resolution), Accuracy: ±2% rdg. ±4 dgt. after zero-adjust |
| Voltage measurement | 0 to 6.00 V AC (single range 0.01 V resolution), Accuracy: (1 % rdg. +5 dgt.) |
| Monitor section | 0 to 35.0 A AC/ 0 to 6 V AC, Refresh rate: 2 times/s |
| Timer display | Counts down time after start until preset time, Shows elapsed time after start |
| Timer setting | 0.5 s to 999 s |
| Comparator | PASS/FAIL evaluation using preset upper/lower limit, buzzer sound, signal output |
| Memory function | Max. 20 settings (with save/load) |
| Interfaces | EXT I/O, EXT SW, GP-IB or RS-232C (option) |
| Power supply | 100 to 120 V/200 to 240 V AC (switching, 50/60 Hz) |
| 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) |
| Accessories | Power cord ×1, Instruction Manual ×1, Spare fuse (inlet) ×1, Shorting bar ×2 |
Log into your myHioki account to access more technical documents and information where available.
Seminar Videos On Demand
| No results were found. |
Seminar Schedule
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Catalogs
| Catalog: AC GROUNDING HiTESTER 3157 | Download PDF [1MB] |
English |
User Guides
| Introducing the safety standards, testing methods, and appropriate test instruments for electrical medical equipment | Download PDF [1MB] |
English |
Manuals
If you can not download, log into your myHioki account to access more technical documents and information where available.
|
AC GROUNDING HiTESTER 3157,3157-01 [1MB] |
Instruction Manual |
English |
Ver.17 |
|
AC GROUNDING HiTESTER 3157,3157-01 [4MB] |
Instruction Manual |
Simplified Chinese |
Ver.06 |
Outline Drawings
If you can not download, log into your myHioki account to access more technical documents and information where available.
|
AC GROUNDING HiTESTER 3157,3157-01 [125KB] |
Ver.02 |
Technical Notes
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Declaration of Conformity
|
AC GROUNDING HiTESTER 3157,3157-01 [118KB] |
Ver.13 |
Drivers, Firmware
| Sample program for communication with HIOKI products | Freeware | V2.10 |
Others
| No results were found. |
Options
Input/Output cords
CURRENT PROBE 9296
Alligator clip, 1.45m (4.76 ft) length
CURRENT APPLY PROBE 9297
With switch, 1.48m (4.86 ft) length
REMOTE CONTROL BOX (SINGLE) 9613
For Start/Stop control, 1.5m (4.92 ft) cord length
REMOTE CONTROL BOX (DUAL) 9614
For Start/Stop control, 1.5m (4.92 ft) cord length
Printer options
*When using the Printer 9442, also purchase the RS-232C Interface 9593-02
RECORDING PAPER 1196
112 mm (4.41 in) × 25 m (82.03 ft), 10 rolls/set
PRINTER 9442
For printing numerical values 112 mm (4.41 in) paper width, not CE marked
CONNECTION CABLE 9446
For the Printer 9442, 25 pin - 9 pin, 1.5 m (4.92 ft) length
PC communication
SAFETY TEST DATA MANAGEMENT SOFTWARE 9267
• PC software for use with HIOKI electrical safety testers • Inspect, record and save measurement data according to electrical safety standards controlling electrical safety measuring instruments • Test insulation, withstand voltage (hipot), protective continuity, and leakage current
GP-IB CONNECTOR CABLE 9151-02
2 m (6.56 ft) length
GP-IB INTERFACE 9518-02
For the 3157-01, built in type
RS-232C INTERFACE 9593-02
For the 3157-01, built in type, not CE Marked
Applications
Gallery
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