
100 in stock
• The earth resistance from 0.05 to 1500Ω can be measured without the auxiliary earth spikes.
(The Multiple Earthing System.)
• True RMS
Accurate true RMS readings of AC current including distorted waveform from 1mA to 30.0A
• Noise Check Function
A function to detect current, which effects on an earth resistance measurement and display “NOISE” mark on the LCD.
• Memory function
Save and display up to 100 measurement data.
• Data hold function / Buzzer function / Back light function
• Compliant with Safety Standards of IEC 61010-1 : CAT IV 300V Pollution degree2
Note:
A single earthing can not be measured. (Only for Multiple Earthing System)
৳ 100.00 ৳ 120.00
100 in stock
Earth resistance Auto range | 20.00/200.0/1500Ω ±1.5%±0.05Ω(0.00 – 20.99Ω)* ±2%±0.5Ω(16.0 – 99.9Ω) ±3%±2Ω(100.0 – 209.9Ω) ±5%±5Ω(160 – 399Ω) ±10%±10Ω(400 – 599Ω) |
---|---|
AC current (50Hz/60Hz) Auto range | Values are displayed, but accuracy isn’t guaranted(600 – 1580Ω) 100.0/1000mA/10.00/30.0A ±2%±0.7mA(0.0 – 104.9mA) ±2%(80mA – 31.5A) |
Operating indication | Earth resistance function : Constant voltage injection Current detection (Frequency : Approx.2400Hz) Dual Integration AC current function : Successive approximation |
Over-range indication | “OL”is displayed when input exceeds the upper limit of a measuring range |
Response time | Approx. 7 seconds (Earth resistance) Approx. 2 seconds (AC current) |
Sample rate | Approx. 1 times per second |
Current consumption | Approx. 50mA (max.100mA) |
Measurement time | Approx.12 hours (when R6 is used) Approx.24 hours (when LR6 is used) |
Auto power-off | Turns power off about 10 minutes after the last button operation. |
Conductor size | Approx. Ø32mm |
Applicable standards | IEC 61010-1 CAT Ⅳ 300V Pollution degree2 IEC 61010-2-032, IEC 61326 (EMC) |
Power source | DC6V : R6(sizeAA manganese battery) x 4 or LR6 (sizeAA alkaline battery) x 4 |
Dimensions | 246(L)×120(W)×54(D)mm |
Weight | Approx. 780g (including batteries) |
Included Accessories | R6 x 4, Instruction manual 8304 (Resister for operation check) 9166 (Carrying case[Hard]) |
• High test current up to 80mA yielding resolution of 0.001Ω on 2Ω range.
• Advanced Filtering method (based on FFT Fast Fourier Transform) reduces noise interference for obtaining stable measurements.
• Automatic and Manual selection of the Test Current Frequency in four bands (94/105/111/128Hz). In Automatic mode, KEW 4106 will select the most suitable Frequency.
• Several sub-results can be shown on the display: Resistance of the Auxiliary Earth Spikes, Frequency of Test Current, Voltage and Frequency of Interference (noise), Residual Resistance Rk, etc.
• Warning for excessive noise and high Auxiliary Earth Spikes resistance.
• Large Graphic Display with backlight for readings in poorly illuminated areas.
• Up to 800 measurement results can be saved in the memory and recalled on the display.
• The stored results can be transferred to a PC using the “KEW Report” software and a USB adaptor (Model 8212-USB) which are included.
• Robust design with IP54 protection.
• Real time measurements can be transferred, shown and saved on Android device (up to 100 measurements)
• Saved data includes measurement, GPS location and date & time Easy to check on map “When” and “Where” the measurement was made
• Comparator function on Android device informs when the measured value is lower/higher than the preset value
Earth /Ground resistance and Leakage current measurement functions
• The earth resistance from 0.05 to 1500 Ω can be measured without the auxiliary earth spikes in multi-earthing systems
• True RMS leakage or phase current readings from 0.1mA to 30.0A provides vital additional information in earthing networks
• Filter function offers increased immunity to electrical noise and a Noise mark appears in excessively high noisy environments
• Complies with IEC 61557
• Designed to IP 54 Rating
• Live circuit and wiring connection check LED’s
• Triple ranges insulation tests at 250, 500 and 1000V
• Triple range loop and PSC tests 15mA test current at 200Ω/2000Ω range(No RCD Trip)
• Phase angle selection on RCD ranges
• Polarity switch for continuity tests
• Auto-null facility for continuity tests
• Earth probe for loop impedance testing on extraneous metalwork
• Contact Voltage Reading
• Test of a large kind of RCD’s: Standard, Selective, AC and A
(DC sensitive breakers)
The Model 3131A offers unmatched performance, and feature including test lead resistance zero adjustments for time-saving continuous operation, a clear ease to read illuminated scale, and a live circuit warning.
• Test insulation up to 100MΩ at 250V, 200MΩ at 500V, 400MΩ at 1000V and continuity up to 20Ω.
• LIVE circuit warning lamp plus an audible warning.
• Automatic discharge of circuit capacitance when the TEST button is released.
• Fuse protected (continuity range only).
• Battery check LED.
• Front panel zero adjust.
• Backlight function to facilitate working at dimly lit situations.
• PRESS TO TEST button with lockdown feature.
There are no reviews yet.