Fluke 1503 Insulation Resistance Tester 1000V | CAT IV 600V 2000MΩ Earth Bond
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Fluke 1503 Insulation Resistance Tester — 1000V | 2000MΩ | CAT IV 600V | Earth Bond
The Fluke 1503 Insulation Resistance Tester is a reliable, easy-to-use insulation tester designed for electricians, maintenance engineers and electrical contractors. Supporting test voltages of 500V and 1000V with insulation resistance measurement up to 2000MΩ, the Fluke 1503 is ideal for testing motors, cables, switchgear and electrical installations to ensure system safety and compliance.
What's in the Box
- Fluke 1503 Insulation Resistance Meter x1
- TL224 Test Leads
- TP74 Test Probes
- Alligator Clips — Red (PN 1958654) & Black (PN 1958646)
- Remote Test Probe
- Protective Holster
- User Manual
- Four AA Alkaline Batteries (NEDA 15A / IEC LR6)
AC/DC Voltage Measurement
| Parameter | Details |
|---|---|
| Range | 600.0V |
| Resolution | 0.1V |
| Accuracy (50Hz to 400Hz) ±(% of Rdg + Digits) | ±(2%+3) |
| Input Impedance | 3MΩ (nominal), <100pF |
| Common Mode Rejection Ratio (1kΩ unbalanced) | >60dB at DC, 50 or 60Hz |
| Overload Protection | 600V rms or DC |
Earth Bond Resistance Measurement
| Range | Resolution |
|---|---|
| 20.00Ω | 0.01Ω |
| 200.0Ω | 0.1Ω |
| 2000Ω | 1.0Ω |
| 20.00kΩ | 0.01kΩ |
| Parameter | Details |
|---|---|
| Accuracy | ±(1.5%+3) |
| Overload Protection | 2V rms or DC |
| Open Circuit Test Voltage | >4.0V, <8V |
| Short Circuit Current | >200.0mA |
Insulation Specifications
| Parameter | Details |
|---|---|
| Measurement Range | 0.01MΩ to 2000MΩ |
| Test Voltage | 500V, 1000V |
| Test Voltage Accuracy | +20%, -0% |
| Short Circuit Current | 1mA nominal |
| Auto Discharge | Discharge time <0.5 second for C = 1μF or less |
| Live Circuit Indicator | Inhibit test if terminal voltage >30V prior to initialization of test |
| Maximum Capacitive Load | Operable with up to 1μF load |
Measure Accuracy:
| Test Voltage | Accuracy |
|---|---|
| 500V | ±(1.5%+5) |
| 1000V | ±(1.5%+5) to 2000MΩ; ±(10%+3) above 2000MΩ |
General Specifications
| Parameter | Details |
|---|---|
| Maximum Voltage at Any Terminal | 600V 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, 2g, 5-500Hz per MIL-PRF-28800F, Class 2 instrument |
| Shock | 1 metre drop per IEC 61010-1 2nd Edition — 6 sides, oak floor |
| Electromagnetic Compatibility | In RF field of 3V/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 CAT IV 600V |
| Certifications | CSA per standard CSA/CAN C22.2 No. 61010.1-04; TÜV per standard IEC/EN 61010-1 2nd Edition |
| Batteries | Four AA batteries (NEDA 15A or IEC LR6) |
| IP Rating | IP40 |
| Size (H x W x L) | 5.0 x 10.0 x 20.3cm (1.97 x 3.94 x 8.00 in) |
| Weight | 550g (1.2 lb) |
| Over-Range Capability | 110% of range |
Altitude:
| Mode | Details |
|---|---|
| Operating | 2000m CAT IV 600V / 3000m CAT III 600V |
| Non-Operating (Storage) | 12,000m |
Battery Life:
| Usage | Details |
|---|---|
| Insulation Test Use | At least 1000 insulation tests with fresh alkaline batteries at room temperature. Standard tests of 1000V into 1MΩ with duty cycle of 5 seconds on and 25 seconds off. |
| Resistance Measurements | At least 2500 earth bond resistance measurements with fresh alkaline batteries at room temperature. Standard tests of 1Ω with duty cycle of 5 seconds on and 25 seconds off. |
Features & Benefits
-
500V & 1000V Test Voltages — 0.01MΩ to 2000MΩ Range
Two selectable test voltages with insulation resistance measurement up to 2000MΩ cover motor, cable, switchgear and electrical installation testing requirements. -
Earth Bond Continuity — >200mA Short Circuit Current
Earth bond continuity with >200.0mA short circuit current across four resistance ranges supports low-resistance earth bond testing for electrical safety compliance. -
Auto-Discharge in Under 0.5 Seconds
Automatically discharges capacitive voltage after insulation testing in under 0.5 seconds for capacitive loads up to 1μF — protecting operators from residual voltage hazards. -
Live Circuit Indicator — Test Inhibit Above 30V
Automatically inhibits insulation testing if terminal voltage exceeds 30V before test initialisation — preventing accidental testing on energised circuits. -
Remote Test Probe
Included remote test probe simplifies repetitive insulation testing — trigger tests from the probe end for faster field workflows. -
CAT IV 600V Safety — CSA & TÜV Certified
Complies with ANSI/ISA 82.02.01, CAN/CSA-C22.2 No. 61010-1-04 and IEC/EN 61010-1 CAT IV 600V, certified by both CSA and TÜV. -
1000+ Insulation Test Battery Life
Four AA alkaline batteries support at least 1000 insulation tests and 2500 earth bond measurements per set.
Applications
- Motor insulation resistance testing
- Cable and wiring insulation verification
- Switchgear and distribution board testing
- Electrical installation commissioning
- Earth bond continuity verification
- Preventive maintenance insulation surveys
Why Choose Fluke 1503?
- 500V and 1000V test voltages for flexible insulation testing
- Wide 0.01MΩ to 2000MΩ insulation resistance range
- Earth bond >200mA short circuit current
- Auto-discharge <0.5 seconds for post-test safety
- Live circuit inhibit protection above 30V
- CAT IV 600V — CSA and TÜV certified
- 1000+ insulation tests per battery set
- Trusted Fluke professional instrument quality
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.
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Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.