Agilent/Keysight U1253B Handheld Digital Multimeter OLED

The Agilent/Keysight U1253B is a 4.5-digit handheld digital multimeter featuring a 50,000-count dual OLED display for superior readability in various lighting conditions. This True RMS multimeter is designed for industrial and field applications, offering a robust set of measurement capabilities and a wide operating temperature range. Its advanced features include data logging, a 20 MHz frequency counter, and a programmable square-wave generator, making it a versatile tool for troubleshooting and analysis.

### Technical Specifications

**Display:**
* Type: Dual Organic Light-Emitting Diode (OLED) display
* Resolution: 50,000 counts
* Viewing Angle: 160°
* Contrast Ratio: 2000:1
* Features: High contrast, clear visibility in low light and off-angle situations.

**Measurement Functions:**
* **Voltage:**
* DC Voltage Range: Up to 1000 V
* AC Voltage Range: Up to 1000 V
* Accuracy (DCV): Up to 0.025%
* True RMS AC voltage measurements
* **Current:**
* DC Current Range: Up to 10 A
* AC Current Range: Up to 10 A
* Accuracy (DC/AC Current): 0.05%
* True RMS AC current measurements
* **Resistance:**
* Range: Up to 500 MΩ
* Accuracy: 0.001 kΩ (implied)
* **Capacitance:**
* Range: Up to 100 mF
* **Frequency:**
* Counter Range: 20 MHz
* Max Frequency Measurement: Up to 20 MHz
* **Temperature:**
* Supported Thermocouples: K-type and J-type
* Measurement Range (with specific thermocouple): -20 °C to 200 °C (PTFE-compatible environments for bead-type thermocouple)
* **Continuity:** Yes
* **Diode Test:** Yes
* **Conductance:** Up to 500 nS

**Advanced Features:**
* **True RMS:** For accurate AC voltage and current measurements of complex waveforms.
* **Data Logging:**
* Internal Memory: Up to 1000 data points
* External Logging: Via optional IR-to-USB cable or optional Bluetooth adapter.
* Logging Modes: Interval or manual logging.
* Software: GUI data-logging software.
* **Frequency Counter:** Integrated 20 MHz.
* **Square Wave Generator:** Built-in, programmable with selectable frequency and duty cycle.
* Duty Cycle Adjustment: 0.390625% to 99.609375%
* **Peak Hold:** Yes
* **Min/Max Recording:** Yes
* **Display Hold:** Yes
* **Null Function:** Yes
* **Smoothing Function:** Yes
* **Dual Display:** Allows viewing of multiple parameters simultaneously.
* **SHIFT Key:** For easy access to secondary functions.
* **Closed Case Calibration:** Yes

**Electrical:**
* **Overvoltage Protection:** CAT III 1000 V, CAT IV 600 V
* **Fuse Protection:** 30 kA high-energy fusible link.
* **Input Impedance:** 10 MΩ (broad voltage range)

**Interfaces:**
* **Connectivity:** Optional IR-to-USB cable for PC connectivity.
* **Wireless:** Optional Bluetooth adapter (Keysight Remote Link solution) for wireless data logging.

**Physical:**
* **Dimensions:** 8″ (204mm) x 3.7″ (94mm) × 2.3″ (59mm)
* **Weight:** 18.8 oz (532g) with battery
* **Enclosure:** Robust over-molded.
* **Color:** Bright orange.
* **Tilt Stand:** Multi-function.

**Environmental:**
* **Operating Temperature Range:** -20 °C to +55 °C (Note: One source mentions -40 °C to +70 °C, but more reliable sources indicate -20 °C to +55 °C. This specification is based on the more frequently cited range.)
* **Storage Temperature:** Not specified.
* **Humidity:** Designed for indoor use and areas with low condensation. Complies with IEC 61010-1 standards for high altitude and humidity levels.

**Power:**
* **Battery Type:** 9 V alkaline or rechargeable battery, 7.2 V or 8.4 V NiMH rechargeable battery
* **Battery Life:** Approximately 8 hours under normal usage.
* **Charging:** Built-in battery charging capability.

**Compliance & Safety:**
* **Standards:** Complies with IEC 61010-1, EN/IEC 61010-1, UL 61010-1, CAN/CSA 22.2 61010-1.
* **Safety Ratings:** CAT III 1000 V, CAT IV 600 V.
* **EMC Requirements:** Complies with relevant EMC requirements.
* **Certifications:** CE, CSA certified.

**Included Accessories (Typical):**
* Test Lead Set
* Alligator Clips
* Rechargeable Ni-MH Battery
* Power Cord and AC Adapter
* Certificate of Calibration
* Quick Start Guide
* Optional: IR-to-USB cable, Bluetooth adapter

### Why Choose Aumictech for Keysight U1253B?

At Aumictech, we specialize in supplying high-end electronic test and measurement equipment. Whether you need reliable troubleshooting tools, advanced measurement capabilities, or robust field instruments, our team ensures the Keysight U1253B delivers maximum performance for your application. We understand the critical nature of accurate readings in demanding environments and are dedicated to providing engineers and integrators with the dependable equipment necessary for success.