Description

The Fluke-1503 Insulation Tester is a rugged, battery‑powered instrument designed for precise AC/DC voltage and earth bond resistance measurements. Built to meet stringent safety standards, it offers a wide measurement range, from 0.01 MΩ to 2000 MΩ for insulation testing, and up to 20 kΩ for earth bond resistance. With a resolution of 0.1 V and accuracy of ±(2% + 3) for AC/DC voltage, technicians can rely on consistent, repeatable results in demanding environments.

Fluke-1503 Key Features

AC/DC voltage measurement up to 600 V rms or DC with 0.1 V resolution
Common‑mode rejection >60 dB at DC, 50 Hz or 60 Hz
Earth bond resistance measurement up to 20 kΩ with 0.01 Ω resolution
Insulation measurement range 0.01 MΩ to 2000 MΩ, test voltage 500 V or 1000 V
Auto‑discharge 30 V
Operable with up to 1 µF capacitive load
Battery powered with four AA batteries, 2500 earth bond measurements on fresh alkaline batteries
IP40 dust protection, operating temperature –20 °C to 55 °C

Who Needs the Fluke-1503?

Electrical technicians, system engineers, and maintenance teams across utilities, manufacturing, and commercial facilities rely on the Fluke-1503 for reliable insulation and earth bond testing. Its compact size and battery operation make it ideal for field inspections, while its robust safety features and wide measurement range satisfy laboratory and industrial standards. Buyers comparing models will appreciate the instrument’s precise accuracy, quick auto‑discharge, and durable construction, ensuring consistent performance in both routine checks and critical fault investigations.

Fluke-1503 Applications

Routine insulation testing of low‑ and medium‑voltage cables and equipment
Earth bond resistance verification for safety and grounding systems
High‑voltage insulation checks in power distribution and transformer stations
Field inspections of electrical panels, switchgear, and motor control centers
Quality assurance during installation and commissioning of electrical systems

Why Buy Fluke-1503 from MME?

MME offers expert support and a dedicated team familiar with Fluke products. Our local presence in the UAE ensures quick delivery and responsive service, while we provide comprehensive technical assistance and training resources. Choosing MME means partnering with MME that prioritizes product integrity and customer satisfaction.

Fluke-1503 Specifications

AC/DC Voltage Measurement
Accuracy	Range	600.0 V
	Resolution	0.1 V
	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
Range/Resolution	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
General Specifications
Maximum voltage applied to any terminal:	600 V AC rms or DC
Storage temperature	-40°C to 60°C (-40°F to 140°F)
Operating temperature	-20°C to 55°C (-4°F to 131°F)
Temperature coefficient	0.05 x (specified accuracy) per °C for temperatures < 18°C or > 28°C (< 64°F or > 82°F)
Relative humidity
	0% to 95% @ 10°C to 30°C (50°F to 86°F)
	0% to 75% @ 30°C to 40°C (86°F to 104°F)
	0% to 40% @ 40°C to 55°C (104°F to 131°F)
Vibration	Random, 2 g, 5-500 Hz per MIL-PRF-28800F, Class 2 instrument
Shock	1 meter drop per IEC 61010-1 2nd Edition (1 meter drop test, six sides, oak floor)
Electromagnetic compatibility	In an RF field of 3 V/M, accuracy = specified accuracy (EN 61326-1:1997)
Safety	Complies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 NO. 61010-1-04, and IEC/EN 61010-1 2nd Edition for measurement category IV 600 V (CAT IV)
Certifications	CSA per standard CSA/CAN C22.2 No. 61010.1-04; TUV per standard IEC/EN 61010-1 2nd Edition
Batteries	Four AA batteries (NEDA 15A or IEC LR6)
Battery llife	Insulation test use:	Tester can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature. These are standard tests of 1000 V into 1 MΩ with a duty cycle of 5 seconds on and 25 seconds off.
	Resistance measurements:	Tester can perform at least 2500 earth bond resistance measurements with fresh alkaline batteries at room temperature. These are standard tests of 1 Ω with a duty cycle of 5 seconds on and 25 seconds off.
Size (H x W x L)	5.0 x 10.0 x 20.3 cm (1.97 x 3.94 x 8.00 in)
Weight	550 g (1.2 lb)
IP rating	IP40
Altitude	Operating	2000 m CAT IV 600 V, 3000 m CAT III 600 V
	Non-operating (storage)	12,000 m
Over-range capability	110% of range
Included accessories	TL224 Test Leads, TP74 Test Probes, clips PN 1958654 (red) and PN 1958646 (black), holster and remote probe

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Fluke-1503 Insulation Tester

Fluke-1503 Key Features

Who Needs the Fluke-1503?

Fluke-1503 Applications

Why Buy Fluke-1503 from MME?

Fluke-1503 Specifications

Datasheet

User Manual

Reviews

Fluke-1503 Insulation Tester

Fluke-1503 Key Features

Who Needs the Fluke-1503?

Fluke-1503 Applications

Why Buy Fluke-1503 from MME?

Fluke-1503 Specifications

Datasheet

User Manual

Reviews

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