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臺(tái)灣SEW 8025 LP數(shù)字式回路測(cè)試儀Digital LOOP/PSC Tester

時(shí)間:2015-3-27 15:11:20 點(diǎn)擊:

  核心提示:FEATURES● Battery is not used.● 3digit LCD (2000-count).● Backlight function.● 15mA loop measurement...

FEATURES
● Battery is not used.
● 3 digit LCD (2000-count).
● Backlight function.
● 15mA loop measurement which will   not trip ELCBs.
● Convenient and easier for users to 
   measure the loop impedance directly without bypassing the wires.
● Wiring check function.
● Over temperature protection.
● Over voltage protection.
● Built-in voltmeter.
● Built-in earth tester.
● Built-in loop/psc tester.
● Safety standard : 
  
  SPECIFICATIONS
Loop Impedance

Range

Measuring
range

Nominal test current at 0 Ω external loop

Accuracy

20 Ω

0.00~19.99 Ω

23A / 40ms

(2%rdg + 4dgt)

200 Ω

0.0~199.9 Ω

2.3A / 40ms

2000 Ω

0~1999 Ω

15mA / 400ms

Prospective Short-circuit Current

Range

Measuring
range

Nominal test current at 0 Ω external loop

Accuracy

20 KA

0.00~4.00 KA

23A / 40ms

Consider accuracy of loop impedance

2000 A

0~1999 A

23A / 40ms

200 A

0.0~199.9 A

2.3A / 40ms

Voltage Display      

Measuring range

Accuracy

Remark

150~260 V

(2%rdg + 4dgt)

at 0 Ω external loop

General      
Temperature 0 ~ 40 °C
System voltage 230V +13%
-15%
System frequency  50Hz
None Battery system voltage 150V ~ 260V
Over Temperature Protection When overheating,the "  "  symbol will show on the LCD, and the 8025LP stop measuring.
Wiring check P-E LEDs illuminate when the wiring polarity of circuit under test is correct
P-N
N-E LED is light when P and N are reversed or the Earth is not connected.
15mA Loop measurement  Loop impedance 2000Ω range measurement is carried out with low test current (15mA).
The current will not cause tripping out for ELCBs.

作者:山合海融 來源:山合海融


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