AC GROUNDING HiTESTER

3157

Protective Ground Tester Indispensable for Standards Certification

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

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.

Guarantee3years
GPIB
Option
RS232C
Option
CE

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

Basic functionsAC 4-terminal method resistance measurement
DisplayFluorescent tube (digital display)
Current setting range3.0 A to 31.0 A AC (0.1 A resolution), into 0.1Ω load
Max. output power130 VA (at output terminals)
Open-terminal voltageMax. 6 V AC
Generator frequency50 Hz or 60 Hz sine wave (selectable)
Resistance measurement0 to 1.800 Ω (0.001 Ω resolution), Accuracy: ±2% rdg. ±4 dgt. after zero-adjust
Voltage measurement0 to 6.00 V AC (single range 0.01 V resolution), Accuracy: (1 % rdg. +5 dgt.)
Monitor section0 to 35.0 A AC/ 0 to 6 V AC, Refresh rate: 2 times/s
Timer displayCounts down time after start until preset time, Shows elapsed time after start
Timer setting0.5 s to 999 s
ComparatorPASS/FAIL evaluation using preset upper/lower limit, buzzer sound, signal output
Memory functionMax. 20 settings (with save/load)
InterfacesEXT I/O, EXT SW, GP-IB or RS-232C (option)
Power supply100 to 120 V/200 to 240 V AC (switching, 50/60 Hz)
Dimensions and mass320 mm (12.60 in)W × 90 mm (3.54 in)H × 263 mm (10.35 in)D, 7 kg (246.9 oz)
AccessoriesPower 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

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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.


Instruction Manual English
Ver.17
Instruction Manual Simplified Chinese
Ver.06

Outline Drawings

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Ver.02

Technical Notes

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Declaration of Conformity


Ver.12

Drivers, Firmware

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Others

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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

For the Printer 9442, 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

AC ADAPTER 9443-02

For the Printer 9442, EU type

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 controlling electrical safety measuring instruments

Learn more

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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