台湾标准电机SEW仪器仪表--2705 ER Earth Resistance Testers 3 Wire Analog

    
 
2705 ER   Earth Resistance Testers
3 Wire (Analog)  
2705 ER
FEATURES
 
 Capable of measuring earth voltage.
 2mA measuring current permits earth resistance tests with tripping earth leakage current breakers in the circuit under test.
 Test leads are supplied as standard accessories for simplified two-wire measuring system.
 Battery operated.
 Battery check function.
  CAT III 30V.
 Calibration performed with supplied test leads.
SPECIFICATIONS
 
Measuring Ranges Earth Resistance : 0-10 Ohm/0-100 Ohm/0-1000 Ohm
Earth Voltage : 0-30V AC (40-500Hz)
Accuracy Earth Resistance : +/- 3% of full scale
Earth Voltage : +/- 2.5% of full scale
Measuring System Earth resistance by constant current inverter 820 Hz approx. 2mA
Power Source 1.5 V (SUM-3) x 6 or equivalent
Dimensions 205(L) x 90(W) x 55(D) mm
Weight Approx. 514g (battery included)
Accessories Test leads (AL-36 : red-15m, yellow-10m, green-5m)
Simplified measurement probe (AL-33)
Heavy-duty case (TOC-2720)
Instruction manual
batteries
特 點
● 吊線式高品質防震表頭。
● 可量測接地電阻(Ω)和接地電壓(ACV)。
● 量測電流僅有2mA，不會影響漏電斷路器的跳脫。
● 可作三線式量測或兩線式量測。
● 電池電量指示。
● 使用電池操作。
● 設計有防塵保護蓋，避免極插座潮濕和污損。
● 請使用提供的測試線測試。
● 通過歐洲安全規範驗証:
EN 61010-1 CAT III 30V
EN 61326-1
規 格 (23°C±5°C ＜80%R.H.)
量測檔位 接地電阻 : 0-10Ω/0-100Ω/0-1000Ω
接地電壓 : 0-30V AC(40-500Hz)
準確度 接地電阻 : ±3%滿刻度
接地電壓 : ±2.5%滿刻度
量測系統 820Hz 2mA 定電流
接線正確(量測接地電阻) 紅燈(LED)會亮著
外形尺寸 205(長)×90(寬)×55(高)mm
重量 約514公克(含電池)
使用電池 1.5V(SUM-3)×6(顆)