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HME-702 Economical 3-phase Protection Relay Tester
3-phase current(3×40A) + 4-phase voltage(4×120V) output

The HME-702 is classic 3-phase protection relay tester, which was launched to the market since 1999. It is the most cost-effective protection relay tester all over the world, and has reliable performance and low maintenance costs typical advantage. The cumulative sales over 5,000 units from 1999 to now.

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Descriptions

The HME-702 is classic 3-phase protection relay tester, which was launched to the market since 1999. It can be used for testing electro-mechanical, solid-state and microprocessor-based protection relays.

The PC software of HME-702 is designed based on Windows system, easy and convenient for operation and upgrade.

The main features of Economical 3-phase Protection Relay Tester HME-702 are as follows:

● 3-phase current(3×40A) + 4-phase voltage(4×120V) output

● Both local test and PC remote test available

● Embedded system with 320×240 LCD screen

● High performance linear power amplifier

● 8 binary inputs + 4 binary outputs

● Independent Aux. DC

Specifications

Current Generator

Setting range

3-phase AC(L-N)

3x0…40A

1-phase AC(LL-LN)

1x0…120A

DC(L-N)

3x…±10A

 

3-phase AC(L-N)

3x420VA at 40A

Power

1-phase AC(LL-LN)

1x900VA at 120A

 

DC(L-N)

3x120VA at 10A

Accuracy

AC: ≤0.2%

DC: ≤0.5%

 

Voltage Generator

Setting range

4-phase AC(L-N)

4x0…120V

1-phase AC(L-L)

1x0…240V

DC(L-N)

3x…±160V

Power

4-phase AC(L-N)

4x80VA at 120V

1-phase AC(L-L)

1x100VA at 240V

DC(L-N)

3x70VA at 160V

Accuracy

AC: ≤0.2%

DC: ≤0.5%

 

Auxiliary DC Supply

Voltage range

110V/220V(max.1.5A)

Power

max.165VA/330VA

 

Digital Inputs

Number

8

Input characteristics 

idle contact or potential-free contact

Threshold characteristics

“0”:0~6V; “1”:11V~250V

Max. measuring time 

0.1ms~9999s

Time accuracy   

0.1ms

 

Digital Outputs

Number

4

Type

idle contact

Break capacity

220VAC/0.5A, 220VDC/0.2A

 

General Generators

Frequency

range: 0~1000Hz(PC mode), 20~300Hz(local mode)

accuracy:<10mHz(0~450Hz),<20mHz(450~1000Hz)

resolution: 0.01Hz

Phase

range: 0~360°

accuracy: 0.2°

resolution: 0.1°

Harmonic

superposition orders: 1~20(PC mode), 1~6(local mode)

distortion: ≤0.5%

 

Power Supply

Nominal input voltage

customized(AC230V/120V±10%,1-phase)

Nominal frequency

50/60 Hz

Rated current

10A at 230V / 12A at 115V

Connection

standard AC socket (IEC 60320)

 

Environmental Conditions

Operation temperature

0 ... +50 °C (+32 ... +122 °F)

Storage temperature

-25 ... +70 °C (-13 ... +158 °F)

Humidity range

relative humidity 5 ... 95 %, non-condensing

Vibration

IEC 60068-2-6(20m/s2 at 10 ... 150 Hz)

 

Miscellaneous

Weight

19.7kg(43.43 lb)

Dimensions (W x H x D, without handle)

400×300×180mm(15.75x11.81x7.09 in)

Connection port

for PC connection

 

HME-702 is the most cost-effective protection relay tester all over the world, and has reliable performance and low maintenance costs typical advantage. The cumulative sales over 5,000 units from 1999 to now.

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