UNI-T UT33D+ Palm Size Digital Multimeter 600V AC/DC 10A with NCV, Backlight & 2m Drop Proof
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The UNI-T UT33D+ is a palm-size, manual-ranging digital multimeter with built-in non-contact voltage (NCV) detection. It measures AC/DC voltage up to 600V, DC current up to 10A and resistance up to 200MΩ, plus diode and continuity tests – all in a 206g body built to survive a 2-metre drop and rated CAT II 600V. A practical everyday meter for electricians, air-conditioning technicians, maintenance crews, electronics repairers and DIY users.
Key Features & Benefits
- NCV detection – find live wires and sockets without contact; on-screen bars and a faster buzzer show stronger fields.
- 2m drop tested – rugged housing with a protective cover, test probe holder and test lead hanging groove.
- CAT II 600V safety – designed to IEC 61010 with double insulation; fused 10A and mA/µA inputs.
- Wide resistance range – 200Ω to 200MΩ, plus diode test (2.1V open-circuit) and loud continuity buzzer.
- Clear 66 x 51 mm LCD – 2000-count display with backlight (auto-off after 30 s) and data hold.
- Over-range alarm – buzzer sounds continuously above 600V or 10A input.
- Ready to use – batteries included; 15-minute auto power-off (can be disabled) and low-battery warning; runs on 2 x AAA.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | UNI-T |
| Model | UT33D+ |
| Display | 2000 counts (max reading 1999), 66 x 51 mm LCD with backlight |
| Update rate | 2–3 times per second |
| Range selection | Manual |
| DC voltage | 200mV / 2000mV / 20V / 200V / 600V |
| AC voltage | 200V / 600V (40–400 Hz, average responding) |
| DC current | 2000µA / 20mA / 200mA / 10A |
| Resistance | 200Ω / 2000Ω / 20kΩ / 200kΩ / 20MΩ / 200MΩ |
| Diode test | Open-circuit voltage 2.1V, test current approx. 1mA |
| Continuity | Buzzer sounds below 10Ω; open above 50Ω |
| NCV | Yes – bar-graph and buzzer intensity indication |
| Input impedance (V) | Approx. 10MΩ |
| Overload protection | 600Vrms (V, Ω, diode, continuity) |
| Fuses | F1 0.2A/250V and F2 10A/250V, fast-acting 5 x 20 mm ceramic |
| Max voltage terminal to earth | 600Vrms |
| Power | 2 x 1.5V AAA (R03), included |
| Auto power-off | 15 minutes (can be disabled) |
| Operating environment | 0–40°C; ≤75% RH (0–30°C), ≤50% RH (30–40°C); altitude up to 2000 m |
| Storage temperature | -10–50°C |
| Dimensions | 134 x 77 x 47 mm |
| Weight | Approx. 206 g (with batteries) |
| Colour | Red and grey |
Accuracy – ±(% of reading + digits), 23°C ±5°C, ≤75% RH
| Function | Range | Resolution | Accuracy |
|---|---|---|---|
| DC voltage | 200mV | 0.1mV | ±(0.7%+3) |
| DC voltage | 2000mV | 1mV | ±(0.5%+2) |
| DC voltage | 20V / 200V / 600V | 0.01V / 0.1V / 1V | ±(0.7%+3) |
| AC voltage | 200V / 600V | 0.1V / 1V | ±(1.2%+3) |
| DC current | 2000µA / 20mA / 200mA | 1µA / 0.01mA / 0.1mA | ±(1.0%+2) |
| DC current | 10A | 0.01A | ±(1.2%+5) |
| Resistance | 200Ω | 0.1Ω | ±(1.0%+2) |
| Resistance | 2000Ω / 20kΩ / 200kΩ | 1Ω / 0.01kΩ / 0.1kΩ | ±(0.8%+2) |
| Resistance | 20MΩ | 0.01MΩ | ±(1.2%+3) |
| Resistance | 200MΩ | 0.1MΩ | ±(5.0%+10) |
Safety & Compliance
- CAT II 600V, IEC 61010, pollution degree 2, double insulation
- RoHS compliant
- 2-metre drop tested
What's in the Box
- 1 x UNI-T UT33D+ digital multimeter
- 1 x pair of test leads
- 1 x pair of 1.5V AAA batteries (2 pcs)
- 1 x protective case
- 1 x user manual
Applications
- Checking socket outlets, switches and household wiring (AC 230V)
- Tracing live cables with NCV before work
- Air-conditioning and appliance servicing
- Car and motorcycle 12V DC electrical checks
- Electronics repair: resistors, diodes, continuity and battery voltage
- Training kits for students and new technicians
UT33+ Series Comparison
| Feature | UT33A+ | UT33B+ | UT33C+ | UT33D+ |
|---|---|---|---|---|
| Range selection | Auto | Manual | Manual | Manual |
| AC current | Yes (10A) | – | – | – |
| Capacitance | 2mF | – | – | – |
| Battery test | – | 1.5V / 9V / 12V | – | – |
| Temperature | – | – | -40–1000°C | – |
| NCV | – | – | – | Yes |
| Max resistance | 200MΩ | 20MΩ | 20MΩ | 200MΩ |
Need more? See our UNI-T UT123D True RMS smart multimeter or the UT120C pocket multimeter.
Why Buy from Techno Tools
- 100% genuine UNI-T stock with local warranty support
- Official tax invoice for business purchases
- Fast delivery across Malaysia; same-day delivery in the Klang Valley for orders before 4:00 PM
| Warranty period | 1 Year Warranty |
|---|---|
| Coverage | Free repair or replacement for defects in material and workmanship arising during normal use within 1 year from the date of purchase. |
| Not covered | Fuses, batteries, test leads and accessories; damage from accident, dropping, overload, misuse, or use outside the instrument's rated specifications. |
| Warranty void if | The instrument has been opened, repaired or modified by a party not authorised by UNI-T or its Malaysian distributor. |
Contact Techno Tools with your proof of purchase (invoice or receipt).
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 orders above RM500 with a total weight under 22kg. Otherwise, delivery charges 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.
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