A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the FLUKE 1503 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.


   FLUKE 1503   Description / Specification:    
FLUKE 1503 Insulation Resistance Tester

The Fluke 1503 insulation resistance tester features an insulation test range from 0.1 MΩ to 2000 MΩ and insulation test voltages of 500 V, 1000 V. It has live circuit detection that prevents insulation test if voltage > 30 V is detected for added user protection.

AC/DC Voltage Measurement.
Accuracy Range: 600.0 V
Accuracy Resolution: 0.1 V
Accuracy: 50 Hz to 400 Hz ± (% of Rdg + Digits) ±(2% + 3).
Input impedance: 3 MΩ (nominal), < 100 pF.
Common mode rejection ratio (1 kΩ unbalanced): > 60 dB at DC, 50 or 60 Hz.
Overload protection: 600 V rms or DC.

Earth Bond Resistance Measurement.
  20.00 Ω / 0.01 Ω,
  200.0 Ω / 0.1 Ω,
  2000 Ω / 1.0 Ω,
  20.00 kΩ / 0.01 kΩ.
Accuracy: ±(1.5% + 3).
Overload protection: 2 V rms or DC.
Open circuit test voltage: > 4.0 V, < 8 V.
Short circuit current: > 200.0 mA.

Insulation Specifications.
Measurement range: 0.01 MΩ to 2000 MΩ.
Test voltage: 500 V, 1000 V.
Test voltage accuracy: + 20%, - 0%.
Short circuit current: 1 mA nominal.
Auto discharge: discharge time < 0.5 second for C = 1 µF or less.
Live circuit indicator: inhibit test if terminal voltage > 30 V prior to initialization of test.
Maximum capacitive load: operable with up to 1 µF load.
Measure accuracy:
  500 V ±(1.5% + 5),
  1000 V ±(1.5% + 5) to 2000 MΩ, ±(10% + 3) above 2000 MΩ.


Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Average Power
Average power means that the energy transfer rate is to be averaged over many periods of the lowest frequency involved. For a CW signal, the lowest frequency and highest frequency are the same, so average power and power are the same. For an amplitude modulated wave, the power must be averaged over many periods of the modulation component of the signal as well.

Dynamic range
Dynamic range the ratio of a specified maximum level of a parameter, such as power, current, voltage or frequency, to the minimum detectable value of that parameter.

Modulation is the process by which the characteristic of one wave (the carrier) is modified by another.

Repeatability is the variation in a number of repeated measured quantities when measurement conditions are changed and restored. The value corresponds to half the spread between the minimum and maximum value measured.

Please contact us for your FLUKE 1503 CALIBRATION and/or FLUKE 1503 Insulation Resistance Tester REPAIR

I'm interested in: 
Calibration Type (Select one):

Repair Information:
 Serial Number:

 Is there any physical damage?  
 If yes, describe:

What is the description of the problem?

How/when did the problem start?

 (*) Required Fields    For formal quote please fill in all fields.
From (Email):*
Contact Name:*
Address 1:
Address 2:
State/Territory/Province: *
Zip/Postal Code: