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.

Bandwidth is the difference between the upper and lower frequencies in a contiguous set of frequencies within which a component, link or network will operate.

Frequency Span
Frequency Span specifies the range between the start and stop frequencies, also referred to as bandwidth

Noise Figure
Noise Figure the ratio of the signal-to-noise power ratio at the input to the signal-to-noise power ratio at the output.

Ringing is an unwanted oscillation of a voltage or current.

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: