®Copyright  2012 by "ใบไม้เขียว"  All Rights reserved
High Voltage / Sub-Station Testing Equipments and Services

Address: 76/76 Changwattana Rd., Anusaowari, Bangkhen, Bangkok 10220. Tel:  081-9207465 ,  Fax: +662 9973484
Low Price  4xx,xxx-
Three phase protection relay test set
4 voltage input, 3 current input
HTR- 902 Relay Protection microcomputer test device play a key role in operating electricity power systems reliably and safely.It is the testing device used in professional field of microcomputer protection,relay protection,excitation measurement,fault recorder.


- Embedded host machine, equipped with big programmed CPLP   ( complex Programmable Logic Device);
-12channels D/A output simultaneously in a single machine;
- High precise linear power amplifier, 6 phase voltage and  6 phase    current output
- 8 inch LCD screen display.Provide with keyboard/mouse connecting  port,also 2USB port,
   2 RS232 port,to communicate with PC and other  communication devices;
- 8 channels switching value input and  4 channels switching value output.Input contact is
   dry  contact and 0-250V potential contact for  selectable,intelligent identification;
- Plentiful Binary and powerful software function;
- Two groups of DC power supply, 110VDC/1.0A&220VDC/0.6A,no need to set and adjust
   by software(Optional).
current output
Three phase AC
Phase current output (effective value): 3*0~30A/phase Max. output
power: 260VA/phase
Max. parallel connection current output (effective value):?0~90A
Phase current allowable effective value: <10A/phase
Max.current allowable working time: <10s
Accuracy: <?0.2%
current output
Output range: -10-10A or 3*0 -- ?10A
Max.output power: 200VA
Accracy: <?0.2%
voltage output
  Three phase AC
Phase voltage output (effective value): 4?0~130V/phase
Line voltage output (effective value): ?0~260V
Max.output power: 70VA/phase
Accuracy: <?0.2%
Lapped overtone times : 0-21times
voltage output
Output range: 0-300V or 5*0--?130V
Max.output power: 130VA
Accuracy: <?0.2%
Binary input
Idle contact: ? ? 1~20mA, 24V (DC)
Electric potential contact: ? ?0~250V (DC)
Binary output
Idle contact: 250V/0.5A (DC)

Rated output
Frequency error: <?0.01HzHz
Phase error: <?0. 2?
Waveform distortion: <?0.3% (fundamental wave)
Time error: <40?s
Output frequency: 0~1050Hz
Lapped overtone times: 0~21times
Power voltage
Allowable range: AC220V?10%, 50Hz?10%
Time measurement
Test range: ? 0.1ms~999999.999s
360mm(L)?195mm(W) ?375mm(H)
Protection relay tester
We appreciate your requirements. For the most efficient service,please contact us via email.

If you have any questions regarding this web site, please contact
Sales@Sesco.co.th or  pemanr@htmail.com
จำหน่ายอุปกรณ์ไฟฟ้าแรงสูง.. เครื่องมือทดสอบไฟฟ้าแรงสูง...PM และ site test
บริการทดสอบ  TYPE TEST  by  KERI LAB.
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