標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
waiting......
STANDARD ELECTRIC WORKS CO.,LTD.
MEASURE WITH PRECISION
English
|
繁體中文
X
會員帳號 :
會員密碼 :
忘記密碼
加入會員
Home
>
Product
>
Earth Resistance Testers
>
4 Wire Earth Resistance Testers
4234 ER
FEATURES
● Microprocesser-controlled.
● Earth testing at 2Ω, 20Ω, 200Ω, 2000Ω.
● 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.
● Robust, compact and easy-to-carry.
SPECIFICATIONS
Measuring ranges
:
Earth Resistance
0-2Ω / 0-20Ω / 0-200Ω / 0-2000Ω
Earth Voltage
0-300V AC
Accuracy
:
Earth Resistance ±2%rdg ± 3dgt
Earth Voltage ±2%rdg ± 3dgt
Earth resistance
resolution
:
0-2Ω : 0.01Ω
0-20Ω : 0.1Ω
0-200Ω : 1Ω
0-2000Ω : 10Ω
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. 1430g
Power source
:
1.5V (AA) x 8
Safety standards
:
EN 61010-1 CAT IV 300V
EN 61557-1 EN 61557-5
EN 61326-1
Copyright © 2010 STANDARD ELECTRIC WORKS CO.,LTD. All Rights Reserved