ETCR080 Large Caliber High Accuracy Clamp Current Sensor User
Contents
1. 0mA when the external electric field 100A 10mm nearby Measured Wire Position Approximately in the geometric center of the clamp eS ie Current Frequency 45Hz 60Hz the measured current frequency Frequency Characteristics Line Voltage 10Hz 100kHz Under 600V AC measurement 194mmx145mmx40mm 780g 20 C 50 C below 80 rh Storage Environment 10 C 60 C below 70 rh Insulation Strength AC3700V rms between core and shell Safety Rules IEC 1010 1 IEC 1010 2 032 Pollution degree 2 CAT III 600V Weight Working Environment MI Principle and Structure The sensor induced output a current 11 the current I1 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring I1 or U Among them l nx I1 U l1 lt RL n is the coils turn current ratio 12 1 1 RL i 2 2 N 1 Coil tap 2 Coiltap 3 Output wire 2m 4 Clamp 5 Trigger open and close the clamp Note The coil tap can be bare wire or standard multimeter plug Clamp live wire or null line separately to measure the current of this line Note single wire Clamp live wire and null line together to measure leakage current of single phase Note 2 wires Clamp earth wire to measure grounding line leakage current of electrical equipment Note single wire Clamp three wires together to measure the leakage current of three phase three wires Note 3 wires Clamp fou2. ETCRO080 Large Caliber High Accuracy Clamp Current Sensor User Manual Thanks for your purchase of ETCR080 Large Caliber High Accuracy Clamp Current Sensor of our company For better use of the product please make sure to read this user manual in details to abide by the safety regulations and precautions strictly Under any circumstance it shall pay special attention on safety in use of this sensor Pay attention to words and symbols stick on the panel Keep the pliers clean maintenance regularly Stop using the sensor when there is a rupture or break Please don t keep or store the sensor in the spot with high temperature and moisture or condensation and under direct daylight radiation for a long time u This sensor is only to be used disassembled and repaired by qualified personnel with authorization u When it may cause hazard by continuous use for the reason of the sensor itself it shall immediately stop using it and deposit it at once leaving it for disposal by authorized agency u For risk of danger icon in manual users must perform safety operations strictly in compliance with the manual content oo c amp I Introduction ETCRO80 Large Caliber High Accuracy Clamp Current Sensor is used for measurement of AC current leakage current high order harmonic current phase power energy power power factor adopting the latest CT technology Its large caliber 80mm Xx 80mm can clamp electric cable o
3. f 80mm diameter or 96mm X 4mm flat cable and steel earth wires It is portable no need to disconnect the measured circuits non contact safe and fast can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises ETCRO80 Large Caliber High Accuracy Clamp Current Sensor s clamp core is made of special alloy adopt the latest magnetic shielding techniques can almost shield the influence from external magnetic field to ensure the high precision high stability and high reliability of perennial uninterrupted measurement II Technical Specifications Function Measurement of AC current leakage current high order harmonic current phase power energy power power factor om o can clamp electric cable of 80mm diameter or 96mmx4mm at cable and steel earth wires Accuracy 1 0 FS 50HZ 60Hz 23 C 2 C below 70 RH keep the wire be in the center of clamp 1000 1 2000 1 or 3000 1 is optional lt 3 50Hz 60Hz 23 C 2 C Reference Load RL 0 200mAs3kohm 0 20A lt 300hm 0 2000AS0 30hm Output Mode Current induction output Output Interface 2 bare wires or standard multimeter plug Output Wire Length Electric Field About 1
4. r wires together to measure the leakage current of three phase four wires Note 4 wires A Manufactured by ETCR Electronic Technology Company Address F 3F No 4 Pengshang Zhifu Road Jiahe Baiyun District Guangzhou Guangdong China Post Code 510440 Tel 86 20 62199556 62199553 Fax 86 20 62199550 E mail info etcr cc Website www etcr cc
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