Fluke 1555 and
1550C Insulation
Resistance Testers
Technical Data
Digital insulation testing
up to 10 kV
The new Fluke 1555 and redesigned Fluke
1550C insulation resistance testers, offer digital
insulation testing up to 10 kV, 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 pre-
ventative or predictive maintenance programs designed to identify
potential equipment failures before they occur.
Features include:
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Test voltages to up 10 kV provides solutions for all applications
CAT III 1000 V, CAT IV 600 V safety rating
Warning function alerts the user that line 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 V 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
Specifications
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.
Software specification
s
Fluke ViewForms basic software
requires a PC running Windows 2000,
Windows XP and Windows Vista.
Insulation resistance measurement
Test voltage (dc)
250 V
Range
< 200 kΩ
200 kΩ to 5 GΩ
5 GΩ to 50 GΩ
> 50 GΩ
< 200 kΩ
200 kΩ to 10 GΩ
10 GΩ to 100 GΩ
> 100 GΩ
< 200 kΩ
200 kΩ to 20 GΩ
20 GΩ to 200 GΩ
> 200 GΩ
< 200 kΩ
200 kΩ to 50 GΩ
50 GΩ to 500 GΩ
> 500 GΩ
< 200 kΩ
200 kΩ to 100 GΩ
100 GΩ to 1 TΩ
> 1 TΩ
< 200 kΩ
200 kΩ to 200 GΩ
200 GΩ to 2 TΩ
> 2 TΩ
Accuracy (± reading)
unspecified
5%
20 %
unspecified
unspecified
5%
20 %
unspecified
unspecified
5%
20 %
unspecified
unspecified
5%
20 %
unspecified
unspecified
5%
20 %
unspecified
unspecified
5%
20 %
unspecified
Included accessories
Test Cables with Alligator Clips
(red, black, green)
Infrared adapter with interface cable
FlukeView Forms Basic CD-ROM
AC Power Cord
Soft Carrying Case (base models only)
English Manual
Users Manual on CD-ROM
Quick Reference Card
Software License Agreement
Registration Card
FlukeView Forms Installation Guide
USB-IR Cable Installation Guide
IP67 Hard Case (kit only)
Certificate of Calibration (kit only)
Ruggedized Alligator Clips
(kit and 1555 only)
500 V
1000 V
2500 V
5000 V
10000 V (1555 Only)
Bar graph range
Insulation test voltage accuracy
Induced ac mains current rejection
Charging rate for capacitive load
Discharge rate for capacitive load
Leakage current
measurement
Capacitance measurement
Timer
0 to 1 TΩ
-0 %, +10 % at 1 mA load current
2 mA maximum
5 seconds per μF
1.5 s/μF
Accuracy
± (5 % + 2 nA)
± (15 % rdg + 0.03 μF)
Resolution
Setting: 1 minute
Indication: 1 second
Voltage accuracy
± (15 % + 2 V)
Ordering
information
1550C
1555
1550C/Kit
1555/Kit
5 kV Insulation Tester
10 kV Insulation Tester
5 kV Insulation Tester Kit
10 kV Insulation Tester Kit
Range
1 nA to 2 mA
0.01 uF to 15.00 μF
Range
0 to 99 minutes
Warning range
30 V to 660 V ac/dc, 50/60 Hz
Optional accessories
TL1550EXT
25 foot extended
test lead set
Live circuit warning
General specifications
Display
Power
Charger Input (AC)
Dimensions
Weight
Temperature (operating)
Temperature (storage)
Humidity
Altitude
Enclosure sealing
Input overload protection
Electromagnetic compatibility
Certifications
Safety compliance
Polution degree
2 Fluke Corporation
75 mm x 105 mm
12 V lead-acid rechargeable battery, Yuasa NP2.8-12
85 V ac 50/60 Hz 20 VA
269 mm x 277 mm x 160 mm (10.6 in x 10.9 in x 6.3 in)
3.7 kg (8.2 lb)
-20 ºC to 50 ºC (-4 ºF to 122 ºF)
-20 ºC to 65 ºC (-4 ºF to 149 ºF)
80 % to 31 ºC decreasing linearly to 50 % at 50 ºC
2000 m
IP40
1000 V ac
EN 61326
Fluke.
Keeping your world
up and running.
®
Fluke Corporation
PO Box 9090, Everett, WA USA 98206
Fluke Europe B.V.
PO Box 1186, 5602 BD
Eindhoven, The Netherlands
For more information call:
In the U.S.A. (800) 443-5853 or
Fax (425) 446-5116
In Europe/M-East/Africa +31 (0) 40 2675 200 or
Fax +31 (0) 40 2675 222
In Canada (800)-36-FLUKE or
Fax (905) 890-6866
From other countries +1 (425) 446-5500 or
Fax +1 (425) 446-5116
Web access: http://www.fluke.com
©2005-2010 Fluke Corporation.
Specifications subject to change without notice.
Printed in U.S.A. 3/2010 1629685F D-EN-N
Modification of this document is not permitted
without written permission from Fluke Corporation.
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.
EN 61010, EN 61557 Parts 1 and 2, IEC 61010-1,
CAT III 1000 V, CAT IV 600 V
2
Fluke 1555 and 1550C Insulation Resistance Testers
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