The Keysight U1212A is a handheld clamp meter designed for high-current measurements and versatile DMM functionalities. It is suitable for field service, maintenance, and general electrical troubleshooting where accurate current readings are critical. The unit is noted for its robust design and user-friendly interface, facilitating efficient operation in various industrial and laboratory environments. The Keysight U1212A is a discontinued product but remains supported by Keysight Technologies.
### Technical Specifications
**Measurement Capabilities:**
* **AC Current:** 40 A to 1000 A
* **DC Current:** 40 A to 1000 A
* **AC Voltage:** 0.1 V to 1000 V, 400 V to 1000 V
* **DC Voltage:** 0.1 V to 1000 V, 400 V to 1000 V
* **Resistance:** Up to 4 kΩ, up to 40 MΩ
* **Capacitance:** Up to 400 µF (0.1 µF resolution), up to 4000 µF
* **Frequency:** Up to 200 kHz
* **Temperature:** K-Type thermocouple (Specific range not detailed in provided snippets)
* **Diode Test:** Yes
* **Continuity Test:** Audible continuity with a buzzer that sounds below 10.0 Ω
**Accuracy:**
* **DC Voltage Accuracy:** ±0.5% rdg + 3 Digits
* **Capacitance Accuracy:** 2% + 4 for 400 µF range, 3% + 4 for 4000 µF range
* **AC/DC Current Measurement Accuracy:** Specified as ±0.5% of reading + 2 LSD for DC voltage. Specific AC/DC current accuracy figures are not detailed in the provided snippets.
**Performance:**
* **True RMS:** Yes
* **Peak Hold:** Yes, including in-rush current measurement
* **Data Hold:** Yes
* **Min/Max Recording:** Yes
* **Ranging:** Manual and Auto-ranging
* **Display:** Large backlit dual display, remarkable LCD display with a maximum reading of 4000 counts. Display digits: 3 ½ digit, 4 digits.
**Electrical Specifications:**
* **Safety Category:** CAT III 1000 V, CAT IV 600 V
* **Overload Protection:** CAT III 1000 V / CAT IV 600 V
* **CMRR (Common Mode Rejection Ratio):**
* U1211A and U1212A: > 60 dB at DC to 60 Hz (ACV function); > 80 dB at DC, 50 Hz, 60 Hz (DCV function)
* **ACV/ACA Specifications:** AC coupled, true RMS, valid from 5% of range to 100% of range. Crest factor up to 3.0 at full-scale (except 1000 V and 1000 A ranges where it is 1.5 at full scale). For non-sinusoidal waveforms, add (2% reading + 2% full scale) typical for crest factors up to 3.
**Interfaces:**
* **Wireless Remote Connectivity:** Capable via optional U1177A Bluetooth Adapter
**Physical:**
* **Clamp Jaw Opening:** 52 mm (2 inches), 51 mm
* **Dimensions:** Width: 106 mm, Height: 43 mm, Length: 260 mm
* **Weight:** 525 g
* **Power Source:** Battery powered
* **Battery Life:** Approximately 60 hours
* **Operating Temperature:** Minimum -10°C, Maximum 50°C
**Included Accessories:**
* Test Lead Set
* 19-mm probes
* 4-mm probes
* Soft Carrying Case
* Quick Start Guide
* Certificate of Calibration
* Batteries
### Why Choose Aumictech for Keysight U1212A?
At Aumictech, we specialize in supplying high-end electrical testing and measurement equipment. Whether you need reliable performance for complex current analysis, comprehensive troubleshooting capabilities, or robust equipment for demanding field applications, our team ensures the Keysight U1212A delivers maximum performance and accuracy for your critical applications.
