SEW 4236 ER 4 Wire Earth Resistance Tester

The SEW 4236ER is a 4 Wires Earth Resistance Tester capable of measuring earth resistance (0.01 ohm) and earth voltage.

SEW 4236ER Features:

● Microprocessor-controlled.
● Earth resistivity (ρ) test.
● Earth testing at 20Ω, 200Ω, 2kΩ.
● Earth voltage measurement : 0-300V AC.

200 measurement results can be saved in the memory and recalled on the display and the stored data can be transferred to a PC via Optical USB to RS-232 data  cable.transmission.

    SEW 4236ER Datasheet

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    SEW 4236 ER 4 Wire Earth Resistance Tester Features

    ● Microprocessor-controlled.
    ● Earth resistivity (ρ) test.
    ● Earth testing at 20Ω, 200Ω, 2kΩ.
    ● Earth voltage measurement : 0-300V AC.
    ● Automatic C spike check.
    ● Automatic P spike check.
    ● 2-Wire test, 3-Wire test, 4-Wire test.
    ● LCM display.
    ● Auto ranging.
    ● Auto power OFF.
    ● Data hold.
    ● 200 measurement results can be saved in the memory and recalled on the display.
    ● Interval between auxiliary earth spikes is 1.0~50.0m.
    ● Optical USB to RS-232 data transmission.
    ● The stored data can be transferred to a PC.
    ● 2 optical LEDs are built-in for data transfer.

    SEW 4236 ER Specifications

    Measuring ranges  Earth Resistance
    0-20    Ω / 0-200Ω / 0-2kΩ
     Earth Voltage
    0-300.0V AC
    Earth Resistivity (ρ=2 × π × L × R)
    0.06~6.28kΩ.m
    0.62~62.8kΩ.m
    6.28~628kΩ.m 
     Accuracy Earth Resistance:
    0-20Ω: ±(2%rdg+0.1Ω)
    0-200Ω,0-2kΩ: ±(2%rdg+3dgt)
    Earth Voltage: ±(2%rdg+3dgt)
     Earth resistance
    resolution    		  0-20Ω : 0.01Ω
    0-200    Ω : 0.1Ω
    0-2k    Ω : 1Ω
    Measuring system  Earth resistance by constant current
    Inverter 820Hz approx. 2mA
     Temperature
    & humidity    		  Operating: 0°C~40°C ≤80% R.H.
    Storage: -10°C~50°C     ≤80% R.H.
     Dimensions  250(L) x 190(W) x 110(D)mm
     Weight
    (battery included)    		  Approx. 1500g 
     Power source  1.5V (AA) × 8 
     Safety standards  EN 61010-1 CAT IV 300V
    IEC 61557-1  IEC 61557-5
    EN 61326-1

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