The Fluke 1555 Insulation Resistance Tester, offers digital insulation testing up to 10kV, making them ideal for testing a wide range of high voltage equipment including switch gear, motors, generators and cables à¤Ã×èͧÇÑ´¤ÇÒÁà»ç¹©¹Ç¹ FLUKE 1555 KIT Fluke 1555 Insulation Resistance Tester Features: 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 Insulation Resistance Measurement Test Voltage (dc) Range (dc) Accuracy (± reading) 250 V < 200 kΩ unspecified 200 kΩ to 5 GΩ 5 % < 5 GΩ to 50 GΩ 20 % > 50 GΩ unspecified 500 V 200 kΩ unspecified 200 kΩ to 10 GΩ 5 % 10 GΩ to 100 GΩ 20 % > 100 GΩ unspecified 1000 V < 200 kΩ unspecified 200 kΩ to 20 GΩ 5 % 20 GΩ to 200 GΩ 20 % > 200 GΩ unspecified 2500 V < 200 kΩ unspecified 200 kΩ to 50 GΩ 5 % 50 GΩ to 500 GΩ 20 % > 500 GΩ unspecified 5000 V < 200 kΩ unspecified 200 kΩ to 100 GΩ 5 % 100 GΩ to 1 TΩ 20 % > 1 TΩ unspecified 10000 V < 200 kΩ unspecified 200 kΩ to 200 GΩ 5 % 10 GΩ to 2 TΩ 20 % > 2 TΩ 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 Safety compliance CAT III 1000 V, CAT IV 600 V Pollution degree 2 Fluke FLUKE 1555 KIT Insulation Tester à¤Ã×èͧÇÑ´¤ÇÒÁà»ç¹©¹Ç¹