Name: Uni-T UT39C Digital Multimeter AC DC V/A Ohm Temp Hz Multimeter
Brand: Uni-T
SKU: UT39C
Price: 51.69 AUD
Availability: InStock

uni-t-ut39c-digital-multimeter-ac-dc-va-ohm-temp-hz-multimeter

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Uni-T UT39C Digital Multimeter — a reliable, manual-ranging meter for HVAC and refrigeration techs who need AC/DC volts and amps, resistance, temperature and frequency in one tough unit. It’s a bloody good everyday meter for installs, diagnostics and apprentice kits — too easy.

Key Features & Trade Benefits

CAT I 1000V / CAT II 600V — suitable for general appliance and low-energy circuits; know your category before cracking open a board.
AC/DC volts to 750V/1000V — covers common mains and control checks on split systems and light commercial gear.
AC/DC current to 20A — quick compressor/fan draw checks when a clamp’s not handy (observe time limits).
K-type temperature (−40~1000 °C) — verify discharge air, line temps and defrost — fewer call-backs.
Frequency, capacitance, diode & continuity — one meter for most service tasks; data hold and auto power-off save time and batteries.
1999-count LCD + holster — clear readout with basic drop protection for jobsite knocks.

Why This Product Matters

On a steamy Gold Coast rooftop, a tech swapped to the UT39C to chase a no-cool fault. Quick voltage, continuity and temp checks later, the culprit was a bad cap — job done and the café reopened before lunch. For more meters, see our Multimeters category. Fair dinkum handy.

Pro Tip

Before measuring current, double-check your lead placement and range, and stick to the meter’s time limits on the 20A jack. For mains switchboards or 3-phase distribution, step up to a CAT III/IV meter like the UT17B PRO — she’ll be right.

Compatibility & System Info

Measurement ranges: DC V 200 mV–1000 V; AC V 2–750 V; DC/AC A 2 mA–20 A; Ω to 20 MΩ; °C −40~1000; Hz 2–20 kHz.
Safety: CAT I 1000 V / CAT II 600 V (not for CAT III switchboards). Always follow Australian electrical safety guidance.
Typical jobs: Sydney split installs, Brisbane refrigeration service, controls testing and training vans — no worries.

What’s Included

UT39C meter with rubber holster
Test leads + 9V battery
Point-contact K-type temperature probe
English manual
12-month warranty

Inclusions per HVAC Shop product listing.

Specifications

Function	Range	Best Accuracy
DC Voltage	200 mV / 2 V / 20 V / 200 V / 1000 V	±(0.5%+1)
AC Voltage	2 V / 20 V / 200 V / 750 V	±(0.8%+3)
DC Current	2 mA / 200 mA / 20 A	±(0.8%+1)
AC Current	2 mA / 200 mA / 20 A	±(1%+3)
Resistance	200 Ω / 2 kΩ / 20 kΩ / 2 MΩ / 20 MΩ	±(0.8%+1)
Capacitance	2 nF / 200 nF / 20 µF	±(4%+3)
Temperature	−40 ~ 1000 °C	±(3%+10)
Frequency	2 kHz ~ 20 kHz	±(1.5%+5)
Display	1999 counts	—
Power	9 V (NEDA 1604/6F22)	—
Size / Weight	172 × 83 × 38 mm / 310 g (incl. battery)	—

Specifications verified against Uni-Trend documentation.

Warranty & Returns

Backed by a 12-month warranty. For change-of-mind or faulty returns, see Shipping & Returns. Always use meters in line with Australian electrical safety guidance.

FAQs

Is the UT39C auto-ranging?

No — it’s a manual-ranging meter (ideal for teaching apprentices correct range selection).

Does it measure temperature?

Yes. It includes a K-type probe and measures approximately −40 to 1000 °C. For pipe temps, a clamp K-type like the TC24 is a ripper add-on. See pipe clamp.

Is it safe for switchboards?

It’s rated CAT I 1000 V / CAT II 600 V. For CAT III/IV switchboards and distribution, use a higher-category DMM such as the UT17B PRO.

Related Products

Want CAT III/IV safety and True RMS? Step up to the Uni-T UT17B PRO for mains work and noisy signals.
Prefer a clamp for current? The Fieldpiece SC440 clamp meter adds safe current measurement and HVAC functions.
Need spare probes? Grab Uni-T UT-L20 probes to keep your kit ready.