Datasheet > DET4TCR2

DET4TCR2

更新时间： 2024-12-01 01:22:39

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
3页	259K
描述
Digital Ground Testers

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DET4TCR2 数据手册

DET4TC2 & DET4TCR2

Digital Ground Testers

DET4TC2 & DET4TCR2

Digital Ground Testers

I IP54 rated

I 2, 3 and 4 point testing

I Attached Rod Technique (ART)

I Stakeless measurements

I User selectable test frequency

I Dry cell or rechargeable versions

I User selectable output voltage

I Simple one button operation

I Robust carry case

I Backlit display

I Delivered with calibration certificate

true stakeless measurements to be made in situations where

driving stakes is not practical.

DESCRIPTION

Megger’s DET4 family of ground testing instruments offers

a comprehensive solution to your ground stake and soil

resistivity testing needs. The basic kit option comprises, the

instrument, test leads, stakes, batteries and calibration cer-

tificate are delivered in a tough carry case which has space

to accommodate all the instrument accessories - everything

you need to start testing in one kit.

The clear, easy-to-read display provides excellent contrast

and viewing angle making the instrument ideally suited

to outdoor use. The display is backlit, extending the

operational environment of the instrument to cable cellars

and other dark locations.

The instrument offers a wide measurement range of 0.01 Ω

to 200 kΩ, ground noise voltage measurement from 1 V to

100 V and ground current from 1 mA to 20 A. Accurate

results can be obtained in electrically noisy environments

since the instrument is capable of rejecting noise voltages

of 40 V peak to peak and the user can select different test

frequencies to minimise the effect of interference.

The DET4TC2 and DET4TCR2 are designed for extended

temperature range use with an IP54 rated enclosure making

them genuinely outdoor instruments. The instrument

provides all the functions required for ground system

testing: variable frequency 2 pole, 3 pole, 4 pole, Attached

Rod Technique (ART), stakeless, leakage current and ground

noise voltage measurement.

The DET4TC2 Digital Ground tester is powered from 8 AA

batteries which are widely available and deliver excellent

testing time. The DET4TCR2 is powered from rechargeable

AA cells. The battery charger is built in and the instrument is

supplied with an AC/DC adaptor. For both instruments, the

battery status is display using a bar-graph.

The instrument is easy to use with a large rotary selector

switch and one-press test button, both of which permit

operation with gloved hands. Unlike some instruments, the

design negates the need for a shorting link when making

two pole measurements. There are no hidden functions

with the instrument: clearly labelled auxiliary controls are

used to select the test frequency (94 Hz, 105 Hz, 111 Hz and

128 Hz), output voltage (50 V or 25 V where local standards

apply) and to switch the backlight on or off.

The Megger ground testers comply with stringent safety

standards and are rated to 100 V CAT IV. They also have

selectable 25 V or 50 V output for compliance with IEC

61557-5.

The optional ICLAMP augments the traditional fall-of-

potential measurement method with ART (Attached Rod

Technique) which allows electrode testing without

disconnection and also leakage current measurements down

to 1 mA. A second optional clamp, the VCLAMP, enables

12 3

中文翻译

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