86-760-88722603
No. 8, Minke West Road, Shiqi Dist., Zhongshan, Guangdong, China (Mainland)
FAQ ( Frequently Ask Questions)
1. What is the function and advantage of ER9 power meter data logger ?
Display and record 3 phase voltage , current , reactive power , active power , apparent power , power factor , frequency , Kwh , KvarH ect. It can show the real time record curve and history record curve on the recorder or on computer via our PC software .
2. Does it support 3 phase 3 wire or 3 phase 4 wire system ?
Yes , it support both 3 phase 3 wire and 3 phase 4 wire system.
3. Does it support CT(current transformer) and PT (voltage transformer) ?
Yes , it support both CT and PT . You can set ct and pt ratio freely based on your requirement.
4.Can it download data of voltage , current , kwh , kvarh , power factor ?
yes , it can download the data of all the 3 phase parameters.
5. Does the power meter support SD card or USB port ?
yes , it support SD card and USB port. The datasheet of the power recorder will be backup to SD card automatically .
6. Do you offer PC software for the electric power meter ?
yes, we offer PC software free of charge.
7. What is your warranty period of the power meter data logger?
We offer 5 years warranty period and whole life maintenance.
Features:
1 320*340 TFT color display , multi-language display .
2. Measure and record 3 phase voltage , current , reactive power , active power , apparent power , power factor , frequency , Kwh , KvarH ect.
3. Optional harmonics analysis function and multi-tariff rate function.
4. Real time record and historical record of all of the three phase parameters.
5. Support SD card and USB datasheet export function, datasheet can be copied to the SD card automatically from the recorder.
6. Two alarms relay outut , one 4-20mA transmition output
7. Two DI and DO , used for remote switch control.
8. With RS485 communication , Modbus RTU
9. Recorder can connect with printe , print the data by manual or automatically
10. Backup datasheet can be opened by PC software to show the real time curve record
11. Offer free PC software for remote real time monitoring
Technial specification:
| Wire connection | 3 phase 3 wire,3 phase 4 wire |
| Input voltage | 20-450V AC , support PT (voltage transformer) |
| voltage consumption | continuous:1.2times instaneous:2 times/10S |
| voltage overload | < 1VA(each phase) |
| voltage imdepance | >=300KΩ |
| voltage accuracy | RMS measurement, accuracy 0.5% F.S |
| Input current | 5A AC , support CT (current transformer) |
| Current overload | continuous:1.2times instaneous:2 times/10S |
| current consumption | <0.4VA(each parameter) current impedance<20mΩ |
| current accuracy | RMS measurement, accuracy 0.5% F.S |
| frequency | 45~60Hz accuracy 0.1Hz |
| energy accuracy | active energy :0.5 S, Reactive energy accuracy: 1S |
| Data Backup | support SD cand USB datasheet backup |
| display | 320*240 TFT color LCD display |
| power supply | AC/DC 100~240V power consumption<8VA |
| Communication Port | RS485 communication , Modbus RTU |
| Alarm output | 2 alarms relay output, 250V AC/3A or 30V DC/5A |
| Transmit output | one 4-20mA DC transmit output |
| working/storage environment | working environmenr:-20~50degree,temperature<85% RH No frost.storage:-30~55degree,temperature<75% RH No frost |
| anti-jamming | electrostatic interference resistance ability:IEC61000-4-2,level 2 radiation anti-jamming capacity IEC61000-4-3 level3 fast transient pulse interface:IEC61000-4-4 level4 surge immunity(1,2/50us-8/20us) IEC61000-4-5 level 4 |
| Insulation | input/output/power supply to meter cover>5MΩ |
| Dimension | 96W*96H*100Lmm |
Real time and History Record Interface:
Remote Real Time Monitoring Interface :
Wire Connection Drawings:
Our Company and Certificates
