Marmonix MMU-110 Compact Auto-Ranging Multimeter
The MMU-110 is a compact digital multimeter with a double-molded housing, 4000-count high-contrast LCD and CAT III 1000 V rating for dependable service testing.
The Marmonix MMU-110 digital multimeter is a compact 4000-count auto-ranging meter that measures AC and DC voltage up to 600 V and AC and DC current up to 10 A. It also reads resistance to 40 MΩ, capacitance to 100 µF, frequency to 10 MHz, duty cycle to 99.9%, and temperature to 760 °C (1400 °F) with a Type K thermocouple.
Compare it with other models in digital multimeters, or see the MMU-112 True RMS multimeter if you need 6000 counts, 1000 V DC, or 20 A. Our digital multimeter buyer’s guide explains how to choose.
MMU-110 technical specifications
Factory technical specifications for the MMU-110 are listed in the table below:
| Parameter | Range | Accuracy |
|---|---|---|
| DC Voltage | 600 V | ±(1.2% of reading + 2 digits) |
| AC Voltage | 600 V | ±(1.5% of reading + 3 digits) |
| DC Current | 10 A | ±(2.5% of reading + 5 digits) |
| AC Current | 10 A | ±(3.0% of reading + 7 digits) |
| Resistance | 40 MΩ | ±(1.2% of reading + 2 digits) |
| Capacitance | 100 µF | ±(3.0% of reading + 5 digits) |
| Frequency | 10 MHz | ±(1.2% of reading + 3 digits) |
| Temperature | 760 °C / 1400 °F | ±(3% of reading + 5 °C / 9 °F) |
| Duty Cycle | 99.9% | ±(1.2% of reading + 2 digits) |
MMU-110 digital multimeter features and kit
Everyday features of the MMU-110:
- Oversized high-contrast 4000-count LCD with function indication
- Auto-ranging, data hold, and auto power-off
- Type K temperature input, with a thermocouple in the kit
- Double-moulded plastic housing
- In the box: test probes, thermocouple, batteries, soft carrying case, and user’s manual
Questions about the MMU-110 multimeter
Can the MMU-110 measure temperature?
Yes, it measures up to 760 °C (1400 °F) through its Type K input, and a thermocouple is included in the box.
What is the highest voltage the MMU-110 reads?
It reads up to 600 V on both AC and DC; for 1000 V DC, choose the MMU-112.
MMU-110 or MMU-112: which should I choose?
Choose the MMU-110 for compact service work up to 600 V and 10 A with Type K temperature; choose the MMU-112 for True RMS, a 6000-count display, 1000 V DC, and current up to 20 A.


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