
0.1-100A High Stability Portable Three Phase Energy Meter Test Equipment
Description
YM-3303 three-phase portable energy meter testing equipment is a kind of desk-top portable energy meter testing device which is developed and manufactured by YUEQING yomin electric co.,LTD, This device is equipped with a three-phase high-stability program-controlled power source and three-phase multi-function standard meter developed and manufactured by the Company; the device can be operated with keyboard to achieve simple functional tests, or control and management may be realized with personal computer. The PC tester has a complete range of test items and the testing device has such advantages as high measurement accuracy, high long-term stability, high degree of automation, wide output range, low distortion, and high stability.
Technical Parameters:
1. Voltage and current measurement range
Output voltage ranges: 57.7V/63.5V and 220V/240V (480V option)
Output current ranges: 0.1A, 1A, 5A, 20A, and 100A
2. Output load capacity
Voltage loop: Max. 50VA
Current loop: Max 100VA (Measurement range 100A)
3.Voltage adjustment
a)Adjustment range: 0%~125% selected voltage range
b)Adjustment fineness: four finenesses as 10%, 1%, 0.1%, and 0.01% are available
c)Max. output voltage: 300V or 600V
4.Current adjustment
a) Adjustment range: 0%~120% selected current range
b) Adjustment fineness: four finenesses as 10%, 1%, 0.1%, and 0.01% are available
c) Max. output current: 120A
5. Phase adjustment
a) Adjustment fineness: 0°~359.99°
b) Adjustment fineness: four finenesses as 10°, 1°, 0.1°, and 0.01° are available
6. Voltage and current output distortion
This device’s voltage and current output distortion will not be more than 0.5% (testing under linear load)
7. Output power stability
This device’s pre-set output power will not exceed 0.02% compared with the measurement range variation within 180S.
8. Symmetry of electrical outputs from three phases
The difference between any line or phase voltage and its average will not be more than 0.2%; the difference between any phase current and its average will not be more than 0.2%; the phase difference between any phase current and its corresponding phase voltage will not be more than 0.2%.
9. Harmonic content
a) Number of harmonic waves: 2~31
b) Harmonic content: less than 40% (compared with fundamental wave)
c) Harmonic phase: 0°~359.99°
10. Monitoring instrument
To be read directly from the standard meter.
11. Electric pulse
Electric pulse output from standard meter:
1) For error calculator to calculate the error of any meter to be tested;
2) For the reference of upper-level measurement examination and determination agency when sending the standard meter to them for testing. Please refer to standard meter’s Table of Constants for pulse constants.
12. Power supply
Single-phase AC 220V/240V (100V/110V is also applicable), 50/60Hz, max. input power consumption: 500W.
YUEQING YOMIN ELECTRIC CO., LTD
Established in 2002, YUEQING YOMIN ELECTRIC CO., LTD(before named Zhengjiang Yomin Electric Co., Ltd , founded in 1996) is a manufacturer and exporter specialized in the research, development and production and service of different kinds of Single-phase and three-phase mechanical watt-hour meter, long-life watt-hour meter and single-phase electronic watt-hour meter, three-phase electronic watt-hour meter and Multi-rate Meter, multi-function Meter, prepaid meters, Power Line Carrier meters, multi-function carrier meters, digital meters, pointer meter, terminals and accessories etc.
Located in Wenzhou City, Zhejiang Province, we are quite close to Shanghai and Ningbo port. Covering an area of 12000 square meters for manufacturing and administration, we now have over 370 employees making their great efforts for YOMIN. Most of our products are supplied by tender and widely used in domestic and overseas electricity power companies in more than 90 countries and regions.
Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. Besides, we are awarded with international certificates such as ISO9001, KEMA, CE RoHS, CB, BV etc as well as China domestic certification like CCC and CMC.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to building successful business relationships with new and old clients around the world in the near future!