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Fluke 1555/ 1550C Insulation Resistance Testers Call Irfan 02151176451

Digital insulation testing up to 10kV

The new 1555 and redesigned Fluke 1550C insulation resistance testers, offer digital insulation testing up to 10kV, making them ideal for testing a wide range of high voltage equipment including switchgear, motors, generators and cables. Fluke insulation testers can now conduct the entire range of test voltages specified in IEEE 43-2000 with a best in class, 3 year warranty and CAT IV 600 V safety rating. With measurement storage and PC interface, the 1555 and 1550C are perfect tools for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.
Features and benefits:

Test voltages up to 10 kV provides solutions for all applications
CAT III 1000 V, CAT IV 600 V safety rating
Voltage breakdown detection alerts the user that voltage is present and gives the voltage reading up to 600 V ac or dc for increased user safety
Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V
Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
Long battery life gives the user over 750 tests between charges
Automatic calculation of Dielectric Absorption ( DAR) and Polarization Index ( PI) with no additional setup
Guard system eliminates the effect of surface leakage current on high-resistance measurements
Large digital/ analog LCD for easy viewing
Capacitance and leakage current measurement
Ramp function for breakdown testing
Resistance measurements up to 2T&
Timer settings up to 99 minutes for timed tests
Electrical specifications
The tester’ s accuracy is specified for one year after calibration at operating temperatures of 0 ° C to 35 ° C. For operating temperatures outside the range ( -20 ° C to 0 ° C and 35 ° C to 50 ° C) , add ± .25 % per ° C, except on the 20 % bands add ± 1 % per ° C.

Insulation resistance measurement

Test voltage ( dc)

Range ( dc)

Accuracy ( ± reading)
250 V 50 G© unspecified
5 %
20 %
unspecified
500 V 200 k©
200 k© to 10 G©
10 G© to 100 G©
> 100 G© unspecified
5 %
20 %
unspecified
1000 V 200 G© unspecified
5 %
20 %
unspecified
2500 V 500 G© unspecified
5 %
20 %
unspecified
5000 V 1 T© unspecified
5 %
20 %
unspecified
10000 V
( 1555 only) 2 T© unspecified
5 %
20 %
unspecified
Bar graph range 0 to 1 T©
Insulation test voltage accuracy -0 % , + 10 % at 1 mA load current
Induced ac mains current rejection 2 mA maximum

Charging rate for capacitive load

5 seconds per ¼ F

Discharge rate for capacitive load

1.5 s/ ¼ F

Leakage current measurement

Range: 1 nA to 2 mA

Accuracy: ± ( 5 % + 2 nA)

Capacitance measurement

Range: 0.01 uF to 15.00 ¼ F

Accuracy: ± ( 15 % rdg + 0.03 ¼ F)

Timer

Range: 0 to 99 minutes

Resolution Accuracy:
Setting: 1 minute
Indication: 1 second

Live circuit warning

Warning Range:
30 V to 660 V ac/ dc,
50/ 60 Hz

Voltage Accuracy:
± ( 15 % + 2 V)

General specifications
Display 75 mm x 105 mm
Power 12 V lead-acid rechargeable battery, Yuasa NP2.8-12
Charger Input ( AC) Charger Input ( AC) 85 V to 250 V ac 50/ 60 HZ 20 VA
This Class II ( double insulated) instrument is supplied with a Class 1 ( grounded) power cord. The protective earth terminal ( ground pin) is not connected internally. The extra pin is for added plug retention only.
Dimensions 170 mm x 242 mm x 330 mm ( 6.7 in x 9.5 in x 13 in)
Weight 3.6 kg ( 7.94 lb)
Temperature ( operating) -20 º C to 50 º C ( -4 º F to 122 º F)
Temperature ( storage) -20 º C to 65 º C ( -4 º F to 149 º F)
Humidity 80 % to 31 º C decreasing linearly to 50 % at 50 º C
Altitude 2000 m
Enclosure sealing IP40
Input overload protection 1000 V ac
Electromagnetic compatibility EN 61326
Certifications
Safety compliance CAT III 1000 V, CAT IV 600 V
Pollution degree 2

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