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臺灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--2705 ER Earth Resistance Testers 3 Wire Analog

2705 ER Earth Resistance Testers
3 Wire (Analog)

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(diǎn)

● 吊線式高品質(zhì)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(shè)計(jì)有防塵保護(hù)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(guī)範(fàn)驗(yàn)証:
EN 61010-1 CAT III 30V
EN 61326-1

規(guī) 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(zhǔn)確度	接地電阻 : ±3%滿刻度接地電壓 : ±2.5%滿刻度
量測系統(tǒng)	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)