Description

U1242C True RMS 10K Count Handheld DMM, IP67, Advanced Measurements
- Built-in LED flashlight; audible, visual alerts for dark, noisy environments; Keysight Meter Logger capable
- Resistance, frequency, capacitance, continuity, diode, low impedance, diff. temp, harmonic ratio, NCV
- Min/Max recording, data hold, auto-hold, null, PC-connectivity, Keysight Remote Link enabled
- Overvoltage protection rating: CAT III 1000V and CAT IV 600V
- Store up-to 2,000 readings in multimeter, IR-to-USB or Bluetooth to transfer data to PC
U1240 Series Handheld Digital Multimeters
The Keysight U1240 Series is a 4-digit DMM with 10,000 counts dual display. The 10,000 count resolution allows better viewing of measurements down to the smallest reading. This series comes with true RMS capability and 0.09% DC voltage accuracy. The handhelds are also designed with an adjustable backlighting function (with two intensity levels) that allows you to complete your jobs even in subdued lighting conditions while simultaneously prolonging the battery life. The U1240 Series offers features like harmonic ratio, switch counter, and dual differential temperature measurement. Comprehensive temperature measurements can be done quickly with dual and differential temperature capabilities. The switch counter allows the detection of an intermittent failure in switches or relays. The harmonic ratio function helps determine the presence of harmonics in AC signals.
Keysight U1241B/U1242B
The Keysight U1240B Series handheld digital multimeters enable you to check more with wider measurement ranges. They feature true RMS readings on their 10,000-count displays. The adjustable backlighting allows you to complete your jobs even in subdued lighting conditions or simply prolong battery life. Your maintenance tasks are greatly simplified due to the built-in switch counter, harmonic ratio, dual and differential temperature capabilities, and just a button press. The meters have a high safety rating with CAT III 1000 V and CAT IV 600 V protection and are certified to CE and CSA standards.
U1240B Series Front Panel

Keysight U1241C/U1242C
Your ultimate goal for technicians or industrial test engineers is to keep the production line running seamlessly to prevent any unplanned shutdown. The strong and solid Keysight U1240C Series is just the DMMs you need to work efficiently on the bench or in the field. Certified to IP 67 and with the durability to withstand drops up to 10 feet (3 meters) to suit harsh working environments, the U1240C can work longer for you with up to 400 hours of battery life. You can optimize productivity with the unique remote data logging functionality via USB or Bluetooth. Perform tests confidently and efficiently – everything you need to get the job done.
U1240C Series Front Panel

Multimeters Template | |
|---|---|
| Style | Hand-Held |
| Measures AC V | Yes |
| Measures DC V | Yes |
| Measures AC A | Yes |
| Measures DC A | Yes |
| True RMS | Yes |
| Maximum Voltage AC | 1000 V |
| Resolution AC Volts | 0.1 mV |
| Maximum Voltage DC | 1000 V |
| Resolution DC Volts | 0.1 mV |
| Maximum Current AC | 10 A |
| Minimum Current AC | 1000 uA (1 mA) |
| Resolution AC Current | 0.1 mA |
| Maximum Current DC | 10 A |
| Minimum Current DC | 1000 uA (1 mA) |
| Resolution DC Current | 0.1 mA |
| Basic Accuracy V DC | .09% |
| # Digit Display | 4 |
| Counts | 10000 . |
| Backlight | Yes |
| Manual/Autoranging | Both |
| Resistance | Yes |
| Frequency | Yes |
| Capacitance | Yes |
| Temperature | Yes |
| Diode Testing | Yes |
| CAT Rating | III |
| CAT Voltage | 1,000 V |
| Peak Hold | Yes |
| Overload Protector | Yes |
| Data Hold | Yes |
Product General Attributes | |
| Product Weight | 450 GRAMS (0.992 LBS) |
| Product Height | 58 MM (2.28 IN) |
| Product Length | 193.8 MM (7.63 IN) |
| Product Width | 92.2 MM (3.63 IN) |





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