Home / Products / Electric Test Instruments / Relay And Protection Testing / PRE 431sPro 10" Touch Screen Industrial Computer 3 Phase Protection Relay Test Set

PRE 431sPro 10" Touch Screen Industrial Computer 3 Phase Protection Relay Test Set

Details

Product Description

Advantages：

Lightweight, weighs only 3.7kg, easy to carry

10" touch screen industrial computer, easy to operate

Built-in battery for quick onsite deployment

Built-in various relay, relay protection test program modules

Description The instrument is highly integrated, with its own battery, can be quickly deployed and put into work on site, and can independently complete the testing and debugging of devices and components in professional fields such as relay protection, excitation, metering, wave recording, etc. Widely used in electric power, railway, petrochemical, metallurgy, mining and other industries of scientific research, production and field electrical test.

Features
1.10" HD LCD touch screen, easy to operate.

2.Various online methods, through RS232 serial port, RJ45 Ethernet interface,

wireless WIFI three ways to control the tester.

3.Built-in rechargeable lithium battery, standby time is greater than 8 hours, continuous
working time is greater than 4 hours.

4.With voltage short-circuit protection, overheat protection, overload protection and other
protection functions.

5. Auxiliary computing function can automatically calculate positive, negative, zero sequence voltage and
current and secondary side active power, reactive power, power factor, and various failure quantities.

6. Instrument has 50 built-in test states, all states can be freely set by the user, the switch between the states by time control, key control or switch terminals control.

7.Each analog channel can simultaneously superimpose DC and harmonic components in the 1-20 harmonic range.

AC current output
Each phase output at phase current output	0～10A (effective value)
Output quantity	3 phase
Output accuracy	Level 0.1
Allowable value of phase current working for long time	5A (effective value)
Max output power of	50VA
Frequency range (fundamental)	0～2000Hz
Harmonic frequency	1～40 times

DC current output
Current output	0～±10A / per phase
Output accuracy	Level 0.1
Max output load voltage	10V

AC voltage output
Phase voltage output (effective value)	0～120V
Output quantity	4 phase
Output accuracy	Level 0.1
Line voltage output (effective value)	0～240V
Phase voltage/line voltage output power	80VA / 100VA
Frequency range (fundamental)	0～2000Hz
Harmonic frequency	1～40 times

DC voltage output
Phase voltage output amplitude	0～±160V
Output accuracy	Level 0.2
Line voltage output amplitude	0～±320V
Phase voltage/line voltage output power	70VA / 140VA

AC phase output
Output range	0-360°
Output accuracy	±0.1°

Switch Terminals
Switch input terminals	4 pairs
Non-potential contact access	“0”：≤10kΩ； “1”：≥20 kΩ
Potential contact access	“0”：0 ～ +6V； “1”：+11 V ～ +250 V
Switch output terminals	2 pairs DC：250 V／0.5 A；AC：250 V／0.5 A
Time measuring range	0.1ms ～ 9999s, measuring accuracy ＜0.1ms
Size and weight	335mm×230mm×110mm, 8kg