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U1270 Series Handheld Digital Multimeters


Data Sheet

Be Ready for Harsh Environments and Sub-zero Temperatures

The U1273AX, the latest addition to the U1270 Series is capable of operating down to -40 °C in temperature. Even in extremely cold conditions, the U1273AX handheld DMM delivers immediate and accurate results — no warm-up time required.

All models are ergonomically built providing useful functions such as ZLOW, which eliminates stray voltages, and Smart Ohm that minimizes false readings from residual voltage induced by leakage current. All of this is designed into a case that fulfills the needs of today's industrial handheld users.


- OLED display with 2000:1 contrast ratio and 160 degrees viewing angle

- 30,000-count resolution

- Measure up to 1000 V AC and DC

- Measure up to 10 A (20 A for 30 s)

- Resistance, diode test, temperature, capacitance

- Low Impedance mode and Low Pass Filter

- Peak detection of up to 250 µs

- Continuity test with beeper and backlight

- Seven readings/s measurement rate for voltage and current

- Smooth function for accurately stable readings

- Up to 10,000 points internal memory for data logging

- Bluetooth wireless connectivity with optional U1177A Bluetooth

- PC connectivity with optional U1173A IR-USB cable

- IP 54 certified – water and dust resistant

- CAT III 1000 V, CAT IV 600 V safety rating

- Up to 3000m operating altitude

- -40 to 55 °C operating temperature

Operational down to -40 °C temperature

The U1273AX OLED handheld digital multimeter, the latest addition to U1270 Series, is capable of operating in winter weather down to –40 °C temperature. Even in frigid conditions, the U1273AX enables you to achieve immediate and accurate results without the need to warm up in advance.

Increase productivity with Bluetooth® wireless connectivity

For wireless connectivity to smartphones and tablets, the U1270 Series is compatible with the U1177A infrared-to-Bluetooth adapter for maximum efficiency and productivity in completing measurements tasks. Adding the optional U1177A to a U1270 Series you can easily perform remote monitoring and data logging via Android devices or Windows- based PC.

OLED for more display clarity

Designed with OLED display, you can experience crystal-clear measurement readings with its outstanding 2000:1 contrast ratio. The display also allows wider viewing angles up to 160 degrees ensuring you get the right readings at the first glance even in poorly lit environments.

Key Functions

Water and dust resistance (IP54)

The series’ tightly sealed design helps protect against water, dust and damage. Each handheld DMM is certified with IP 54 ratings so that you can carry out tests and measurements with confidence, even in harsh working conditions.

Operational up to 3000 meters altitude

For high altitude applications such as wind farm maintenance, you can measure with confidence using the U1270 Series, capable of measuring up to 3000 meters above sea level.

High measurement rate at seven readings per second for Voltage and Current

You can detect even the slightest change in your sensitive signals (Voltage and Current) with its high measurement rate capability. By clicking the resettable smooth function button, you may customize the readings’ sensitivity suitable for various tests.

Visual alert for continuity test (for U1271A and U1272A only)

Continuity detection in noisy and dark environments is made easy with U1270 Series’ loud beeper and flashing backlight that indicates continuity and thus improves safety.

Up to 10,000 recording points for manual, auto and event logging

Record measurements on-the-go and transfer data to PC conveniently with the huge internal memory of up to 10,000 recording points. The GUI Data Logging software and optional U1173A IR-USB cable are required to transfer data or perform real time data logging on a PC.

Built-in Low Pass Filter

The U1270 Series offers a 1 kHz LPF or Low Pass Filter to provide accurate Variable Frequency Drive (VFD) output measurements. This function eliminates high frequency noise and harmonics, ensuring motor filter efficiency.

Low impedance mode

Stray voltages are usually found in non-energized electrical wiring adjacent to powered wires due to capacitive or inductive coupling between these wires. The low impedance mode serves to eliminate false readings by dissipating these stray voltages thus improves safety and measurement efficiency during voltage measurement.



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