SEW-Taiwan

4 Wire Earth Resistance & Resistivity Testers

Filter

Search

a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z

Order
Name
Date

	Name	Description	Category
	Sew 4235 ER	● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 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. SPECIFICATIONS Measuring ranges Earth Resistance 0-20Ω / 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 ±2%rdg ± 3dgt Earth Voltage ±2%rdg ± 3dgt Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2kΩ : 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) ...	4 Wire Earth Resistance & Resistivity Testers
	Sew 4236 ER	● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 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. SPECIFICATIONS Measuring ranges Earth Resistance 0-20Ω / 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 ±2%rdg ± 3dgt Earth Voltage ±2%rdg ± 3dgt Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2kΩ : 1Ω Measuring system Earth resistance by constant current Inverter 820Hz approx. 2mA Temperature & humidity Operating:...	4 Wire Earth Resistance & Resistivity Testers