Technical data sheet for the Keysight U1240 series handheld digital multimeter, showing features, specifications and accessories.
The Keysight U1240 series handheld digital multimeter provides a wide measurement range, 10,000‑count display and 0.09 % basic DC voltage accuracy. It includes advanced functions such as true‑RMS AC measurement, capacitance, temperature, and min/max recording, with a rugged cast‑metal case and CAT III 1000 V / CAT IV 600 V safety protection.
The device is powered by four 1.5 V AAA batteries delivering about 300 hours of operation, features adjustable backlight, dual‑screen LCD, and optional accessories like temperature probes and test leads. Full compliance with IEC 61010‑1, CE and CSA standards ensures safe use in industrial and maintenance environments. This manual is written in Chinese.
| Display resolution | 10,000 counts |
|---|---|
| Basic DC voltage accuracy | ±0.09 % + 5 digits |
| Input impedance | 10 MΩ (nominal) |
| Battery life (typical) | 300 hours |
| Dimensions (H × W × D) | 193.8 mm × 92.2 mm × 58.0 mm |
| Weight (with battery) | 450 g |
| Safety categories | CAT III 1000 V / CAT IV 600 V |
The multimeter complies with CAT III 1000 V and CAT IV 600 V safety categories.
The input impedance is 10 MΩ (nominal).
The four AAA batteries provide about 300 hours of operation.
It has a 10,000‑count display resolution.