Data Sheet.pdf

## Keysight U1240 Series Handheld Digital Multimeters: Key Features and Specifications

The U1240 Series from Keysight offers robust, handheld digital multimeters for a wide range of measurement needs.

Key Features:

Versatile Measurement Capabilities: Measure DC and AC voltage, current, resistance, frequency, capacitance, temperature, and more with true RMS readings on a 10,000-count display.
High Accuracy: Achieve 0.09% basic DCV accuracy and advanced functions like harmonic ratio (U1242B) for precise measurements.
Durable Design: Rugged overmold body casing, CAT III 1000 V and CAT IV 600 V safety protection, operating temperature range of -10°C to 55°C.
User-Friendly Features: Adjustable backlighting, built-in switch counter, harmonic ratio (U1242B), dual/differential temperature capabilities (U1242B), and manual data logging (U1242B).
Certified Quality: CE and CSA certification ensures reliable performance.

Electrical Specifications (Key):

DC Measurements:

Voltage: 0.1 mV to 1000 V, ±(0.09% + counts of least significant digit)
Current: 50 µA to 440 mA, ±(0.1% + 3) for current < 0.55 V; ±(0.5% + 3) for higher currents
Resistance: 0.1 Ω to 100 MΩ, ±(0.3% + 3)

AC Measurements:

Voltage: 50 mV to 1000 V RMS, True RMS measurement from 5% to 100% range
Current: 50 µA to 440 mA, ±(1% + 5)
AC Current (True RMS): 0.5 A to 10 A, ±(1.5% + 5)

Temperature Measurements:

Range: -40°C to 1000°C (-48°F to 1832°F)
Accuracy: ±(1% + 1°C/1% + 1.8°F) for K-type thermocouples (U1241B, U1242B); ±(1% + 1°C/1% + 1.8°F) for J-type thermocouple (U1242B)

Capacitance Measurements:

Range: 0.1 nF to 10,000 µF, ±(1.2% + 4)

Additional Features:

Harmonic Ratio: 0.0% to 99.9%, 40 to 500 Hz, 100 mVAC to 1000 VAC (U1242B)
Data Logging: Manual data logging (U1242B)