Technical details:-

Specifications: Fluke 1503 Insulation Resistance Meter

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

Featuers:-

Key features

A rugged, compact insulation resistance tester for residential and commercial electricians

Performs insulation tests from 0.01 MΩ to 2000 MΩ

Offers two insulation test voltages: 500 V and 1000 V

Includes live circuit detection to prevent insulation test if voltage >30 V is detected

Measures resistance from 0.01 Ω to 20.00 kΩ