ETCR 016 User Manual
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ETCR016 High Accuracy Clamp Leakage Sensor
User Manual
Thanks for your purchase of ETCR016High Accuracy Clamp Leakage
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.
This sensor is only to be used, disassembled, and repaired by qualified personnel with authorization.
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.
For risk of danger icon in manual
, users must perform safety operations strictly in compliance with the
manual content.
I. Introduction
ETCR016High Accuracy Clamp AC Leakage Sensor use double shield technology, with small size, high
accuracy, good stability, strong anti-interference ability characteristics.
ETCR016 High Accuracy Clamp AC Leakage Sensor is widely applied in AC current leakage, current,
power and energy measurement with high precision and small phase error of electricity, communications,
meteorology, railway, oilfield, construction, measurement, scientific and research teaching unit, industrial and
mining enterprises, which can be connected to a variety of high precision digital multi-meter and data recorder.
II. Technical Specifications
Function
AC leakage current, current, high harmonic current, phase, power, power,
power factor detection
Range
0.000mA～60.00A AC
Resolution 0.001mA AC
Accuracy
± 1.0% FS (50Hz / 60Hz; 23
℃ ± 2 ℃, 70% RH or less, the wire is in the
center of the jaw)
Coils Turn 800:1
Phase Error
≤2°(50Hz/60Hz; 23
℃±2℃)
Reference Load RL: 0-600mA≤300ohm; 0-6A≤30ohm; 0-60A≤3ohm;
Weight 138g
Dimension 110×53.4×22 mm
Current transformer Around 1A/1mA
Clamp Size Φ16mm
Detection method Clamp CT
Dimension 115mm×70mm×33mm
Out put Current sensing output
Output Interface 3.5mm audio plug(tail plug, banana pin, or BNC pin)
Output line 2-core shielded wire, wire length 2m
Electric Field
Interference
About 5mA when the external electric field 100A, 10mm nearby
Current Frequency 45H-60Hz(when measuring big current)
Frequency 10Hz-100kHz
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Voltage of circuit Below AC 600V
Measured Wire
Position
Approximately in the geometric center of the hole
Working
environment
-20
℃～50℃; below 80%rh
Storage environment
-10
℃～60℃; below 70%rh
Insulation strength AC 3700V/rms (between core and shell)
Safety rules
IEC1010-1, IEC1010-2-032, Pollution degree 2、CAT Ⅲ(600V)
Accessary Sensor: 1PC
Ⅲ. Principle and Structure
The sensor induced output a current I1, 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, I=n×I1;
U=I1×RL. n is the coils turn (current ratio).
1. Coil tap 2. Coil tap
3. Shielding ground 4. Sensor output plug
5. Output wire (2.5mm) 6. Trigger 7. Clamp
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 four wires together to measure the leakage current of three phase four
wires.（Note: 4 wires）
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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