The Keysight U1233A is a handheld digital multimeter designed for a wide array of electrical testing and measurement tasks, offering a robust solution for field engineers and technicians. This instrument features a 6000-count, 3.5-digit display and supports True RMS measurements for AC signals up to 1 kHz. Its rugged construction and user-friendly design, including a built-in LED flashlight and a flashing backlight for audible and visual alerts, enhance usability in various environments.
### Technical Specifications
**Display and Measurement Capabilities:**
* **Display:** 3.5-digit, 6000 counts
* **True RMS:** Yes, for AC voltage and current up to 1 kHz
* **Data Logging:** Capability to store up to 10 readings
* **Measurement Functions:**
* DC Voltage: 600mV to 600V
* AC Voltage: 600mV to 600V
* DC Current: 60µA to 10A
* AC Current: 60µA to 10A
* Resistance: Up to 60 MΩ
* Capacitance: 10nF to 1000µF
* Frequency: 99.99 Hz to 99.99 kHz
* Temperature: K-Type thermocouple compatible
* Continuity: With audible beep and flashing backlight alert
* Diode Test
**Accuracy:**
* **DC Voltage:** ±0.5% + 2 counts
* **AC Voltage:** ±1.0% + 3 counts
* **DC Current:** ±1.0% + 2 counts (for 60µA to 10A range)
* **AC Current:** ±1.5% + 3 counts (for 60µA to 10A range)
**Advanced Features:**
* **Vsense (Non-Contact Voltage Detection):** Detects AC voltage presence without direct contact, with visual and audible alerts. Offers adjustable sensitivity (High/Low).
* **ZLOW (Low Input Impedance Mode):** Eliminates ghost voltages by reducing input impedance, improving measurement accuracy in the presence of stray voltages.
* **Built-in LED Flashlight:** Illuminates the test area for use in dimly lit environments.
* **Visual and Audible Alerts:** Flashing backlight and beeper for continuity detection, particularly useful in noisy environments.
* **Auto Hold Function:** Automatically captures and holds a stable reading.
* **Min/Max Recording:** Captures minimum and maximum readings over a period.
* **Display Hold:** Freezes the current display reading.
* **Null Function:** Allows for relative measurements by subtracting a reference value.
* **Configuration Menu:** User-configurable settings for backlight timeout, power-off timeout, buzzer frequency, auto-hold tolerance, and more.
**Electrical:**
* **Overvoltage Protection:** CAT III 600V
* **Input Protection:**
* Current (µA range): Protected up to 0.3A and 600V AC/DC.
* Current (A range): Protected with a 11A/1000V 10x38mm fuse.
* Voltage: Protected up to 600V AC/DC.
* **Battery Life:** Approximately 500 hours of operation.
* **Battery Type:** Four 1.5 V AAA alkaline batteries.
* **Power Consumption:** Approximately 3mA (28mA with backlight, 68mA with backlight + flashlight).
**Interfaces:**
* **Connectivity:** IR-to-USB for data transfer to a PC (requires optional cable).
* **Optional Wireless Connectivity:** IR-to-Bluetooth adapter (U1117A) for wireless connection to PC or mobile devices.
**Physical:**
* **Dimensions:** 169 mm x 86 mm x 52 mm (H x W x D)
* **Weight:** Approximately 500g (including batteries).
* **Ingress Protection:** IP42 rated.
* **Ergonomics:** Designed for comfortable handheld use with an anti-slip rotary dial.
* **Durability:** Ruggedized for field use.
* **Test Lead/Probe Holders:** Integrated on the back of the multimeter.
* **Tilt Stand:** For benchtop use.
**Compatibility:**
* **Software:** Keysight GUI Data Logger software is downloadable.
* **Accessories:** Compatible with standard test probes and K-Type thermocouples with banana plugs.
Why Choose Aumictech for Keysight U1233A?
At Aumictech, we specialize in supplying high-end test and measurement equipment. Whether you need reliable electrical parameter measurement, advanced non-contact voltage detection, or detailed data logging capabilities, our team ensures the Keysight U1233A delivers maximum performance for your application.


















