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3G Electric
Supco Megohmmeter - HVAC Equipment
SupcoHVAC Equipment

Supco Megohmmeter

The Supco M500 is a handheld insulation tester for HVAC equipment diagnostics, applying 500 volts across a 20 to 1000 Megohms measurement range. LED display and dual C-battery power enable field troubleshooting of…

SKU 3G-CBM-01287

Brand
Supco
Item
Megohmmeter
Category
HVAC Equipment
UNSPSC
40101709 — Air handling unit
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Supco
model
M500 Insulation Tester
display
LEDs
power source
2 C-size batteries
applied voltage
500 volts
dimensions inches
3-3/8" x 6-3/8" x 1-3/4"
measurement range
20 to 1000 Megohms
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Supco Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Supco M500 is a handheld insulation tester for HVAC equipment diagnostics, applying 500 volts across a 20 to 1000 Megohms measurement range. LED display and dual C-battery power enable field troubleshooting of compressor windings and motor circuits.

Frequently Asked Questions

What is the Supco M500 megohmmeter used for?

The Supco M500 megohmmeter is used for testing insulation resistance in HVAC equipment, specifically hermetic refrigeration motors and compressor windings. It helps diagnose hard-starting or overload conditions by applying 500 volts to measure insulation integrity, preventing future failures.

What are the specifications of the Supco M500 megohmmeter?

The Supco M500 Insulation Tester has a measurement range of 20 to 1000 Megohms, applies 500 volts, and is powered by two C-size batteries. It features an LED display and includes two 9-inch test leads stored within the case. Dimensions are 3-3/8" x 6-3/8" x 1-3/4".

Where to buy the Supco M500 megohmmeter in Singapore?

You can source the Supco M500 megohmmeter through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this HVAC diagnostic tool.

How to use the Supco M500 megohmmeter for motor testing?

To use the Supco M500, install two new alkaline C batteries. Remove all wires from the terminals to be tested. Attach one test lead to any winding terminal and the other to the metal case (bare metal). Press the power button, wait 10 seconds, and read the illuminated LED value. Below 20 indicates a short circuit.

Used in

Common applications for Supco
Commercial refrigeration maintenance — Supco SL5709 defrost thermostat for Larkin evaporator coils
HVAC system troubleshooting — Supco IG418 universal hot surface igniter for gas furnace replacement
Condensate management in negative pressure systems — Supco NPW1H drain trap for rooftop units
Temperature and sound logging in cold storage — Supco CR4 circular chart recorder for compliance documentation
Compressor protection in light industrial cooling — Supco CSS-25U hard-start device for inrush current control
Safety limit control in heating appliances — Supco SHM350 surface-mount limit control for over-temperature shutdown
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Supco Products

3G Electric supplies Supco hvac equipment. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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