Based on the search results, it appears you are looking for the Uni-T UT203+ clamp meter. This model is noted as an upgraded version of the UT203-3. Below is a summary of its core features, specifications, and available purchasing options.
| Feature Category | Details |
|---|---|
| Core Functions | AC/DC voltage, AC/DC current (up to 400A), resistance, frequency, duty cycle, diode check, continuity test, temperature (sensor required)-1-2-3. |
| Key Specifications | 28mm jaw size-1, 3-4 times per second update rate-1-4, Data Hold, Auto Power Off, Auto Range-1-3. |
| Safety Rating | CAT II 600V / CAT III 300V-1-4. |
| Accuracy (Typical) | DC Voltage: ±0.8%+1 digit-4; AC Voltage: ±1.0%+5 digits-4; DC Current: ±2.0%+3 digits-4; AC Current: ±2.5%+5 digits-4. |
| What's in the Box | Test leads, user manual, carrying pouch-1-3. |
???? Version Clarification: UT203 vs. UT203+
The details for the basic UT203 are consistent across most sources-1-4. However, one retailer lists a UT203+ "Advanced Version" -3. The main advertised upgrades for the UT203+ are a claimed 10MHz frequency range (vs. 1MHz for UT203-1) and the addition of a live wire check function-3.
???? Pricing & Availability
The product is listed for sale on a few platforms:
Kaito ($60.99)-1
UniGulfSupply ($63.72)-3
eBay (New, $60.09) from an international seller-2
Batronix (Product page available, but the item is listed as no longer available for sale)-4.
⚖️ Key Considerations Before You Buy
Availability Check: If you proceed with an online purchase, it's wise to contact the seller directly to confirm that the specific model (UT203 or UT203+) is in stock and ready to ship, especially as one major electronics supplier lists it as discontinued-4.
Documentation for the "+" Version: Information on the UT203+ is limited to a single source-3. For critical specifications like its frequency measurement accuracy, it's best to seek the official user manual from Uni-T's website.
International Orders: If purchasing from an overseas eBay seller-2, be aware of potential extra costs like customs duties or longer delivery times.
Accuracy for Professional Use: The accuracy for current measurements (around ±2.0-2.5%) is suitable for general electrical work and diagnostics (like checking car alternator output-2) https://store.unigulfsupply.com/product/digital-clamp-meter-ut203/