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HIOKI E.E. CORPORATION
HIOKI 3151 EARTH HiTESTER

HIOKI 3151 EARTH HiTESTER

Product catalog summary

Overview: The 3151 EARTH HiTESTER is a field measuring instrument designed for ground measurements in various locations. It emphasizes safety, ease of use, and reliability, backed by 60 years of technology.

Specifications: The device measures grounding resistance and voltage with specific ranges and tolerances. It operates using an AC phase difference method and offers selectable measurement frequencies of 575 Hz or 600 Hz. The instrument complies with several standards, including EN61557-5 for ground measurement and EN61010-1/EN61010-2-031 for safety.

Measurement Capabilities: The HiTESTER can measure grounding resistance in ranges of 10Ω, 100Ω, and 1000Ω, with a limit deviation tolerance of ±2.5% full scale. Grounding voltage can be measured up to 30V with a tolerance of ±3.0% full scale. The device accounts for fluctuations in auxiliary grounding resistance and grounding voltage.

Design and Features: The instrument features a durable measurement switch, an elastomer rotary knob for ease of handling, and a taut band meter for shock resistance. It includes a measurement method and frequency selector switch, allowing for both two-wire and three-wire measurement methods.

Power and Operation: The HiTESTER is powered by six R6P(AA) manganese or LR6(AA) alkaline batteries, providing a minimum of 500 to 1400 operations depending on the battery type. It offers overvoltage protection and operates within a specified power supply voltage range.

Accessories and Usage: Supplied accessories include auxiliary earthing rods, measuring cables, and a carrying case. The device is suitable for use in locations without driven-in ground, such as areas with water seepage.

Additional Features: The HiTESTER includes an auxiliary grounding resistance check function to minimize errors and a taut band meter for enhanced durability.

Catalog excerpts

9216 CABLE WINDER (supplied) 1999 3151 EARTH HiTESTER Field measuring instruments Ground measurements in a wide variety of locations SaferSafer Easier useEasier to use No cable kinks 60 years of technology and reliability http://www.hioki.co.jp/ Complies with the following standards: IEC61010 EMC

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HEAD OFFICE : 81 Koizumi, Ueda, Nagano, 386-1192, Japan TEL +81-268-28-0562 / FAX +81-268-28-0568 E-mail: [email protected] 3151E1-99B-05K Printed in Japan DISTRIBUTED BY All information correct as of Sep, 7, 1999. All specifications are subject to change without notice. Internet HIOKI website http://www.hioki.co.jp/ HIOKI USA CORPORATION : 6 Corporate Drive, Cranbury, NJ 08512 USA TEL +1-609-409-9109 / FAX +1-609-409-9108 Option 9050 EARTH NETS (set of two) 3151 Specification (accuracy at 23°C ± 5°C, 80% RH or less) Measurement item Measurement range (effective range in parentheses) Limit deviation...

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