Specification;
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; 1507: 0.01 MΩ to 10 GΩ
1503: 0.01 MΩ to 2000 MΩ

Test voltage; 1507: 50 V, 100 V, 250 V, 500 V, 1000 V
1503: 500 V, 1000V

Test Voltage Accuracy; + 20 %, - 0 %

Short circuit current; 1 mA nominal

Auto Discharge; Discharge time < 0.5 second for C = 1 F 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 F load

Measure Accuracy:
50 V: (3 % + 5)
100 V: (3 % + 5)
250 V: (1.5 % + 5)
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 Life;
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; 5.0 cm H x 10.0 cm W x 20.3 cm L (1.97 in H x 3.94 in W x 8.00 in L)

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