FLUKE - Thiết bị đo điện trở cách điện Fluke 1555/1550C Model: Fluke 1555/1550C

FLUKE - Thiết bị đo điện trở cách điện Fluke 1555/1550C

Model: Fluke 1555/1550C

Hãng sản xuất: FLUKE – MỸ

Tham khảo: http://www.fluke.com/Fluke/vnen/Insulation-Testers/Fluke-1555-1550C.htm?PID=69212

                                    

Tính năng Thiết bị đo điện trở cách điện Fluke 1555/1550C:

• 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 2TΩ
• Timer settings up to 99 minutes for timed tests
• 3-year warranty

Thông số kỹ thuật Thiết bị đo điện trở cách điện Fluke 1555/1550C:

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	< 200 kΩ 200 kΩ to 5 GΩ 5 GΩ to 50 GΩ > 50 GΩ	unspecified  5 %  20 %  unspecified
500 V	200 kΩ 200 kΩ to 10 GΩ 10 GΩ to 100 GΩ > 100 GΩ	unspecified  5 % 20 %  unspecified
1000 V	< 200 kΩ 200 kΩ to 20 GΩ 20 GΩ to 200 GΩ > 200 GΩ	unspecified 5 % 20 % unspecified
2500 V	< 200 kΩ 200 kΩ to 50 GΩ 50 GΩ to 500 GΩ > 500 GΩ	unspecified 5 % 20 % unspecified
5000 V	< 200 kΩ 200 kΩ to 100 GΩ 100 GΩ to 1 TΩ > 1 TΩ	unspecified 5 % 20 % unspecified
10000 V (1555 only)	< 200 kΩ 200 kΩ to 200 GΩ 10 GΩ to 2 TΩ > 2 TΩ	unspecified 5 % 20 % unspecified
Bar graph range	0 to 1 TΩ
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 μF
Discharge rate for capacitive load	1.5 s/μF
Leakage current measurement	Range: 1 nA to 2 mA	Accuracy: ± (5 % + 2 nA)
Capacitance measurement	Range: 0.01 uF to 15.00 μF	Accuracy: ± (15 % rdg + 0.03 μF)
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 ºC to 50 ºC (-4 ºF to 122 ºF)
Temperature (storage)	-20 ºC to 65 ºC (-4 ºF to 149 ºF)
Humidity	80 % to 31 ºC decreasing linearly to 50 % at 50 ºC
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