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This guide is for anyone needing a compact and portable multimeter for basic electrical testing. The Sealey Pocket Multimeter (MM18) offers the convenience of pocket-sized portability while providing essential measurement capabilities. Keep in mind that this multimeter is designed for basic testing and may not have the advanced features of larger models.
| Model Part Number | MM18 |
|---|---|
| Brand | Sealey |
Refer to the specifications for detailed accuracy information. The MM18 has an accuracy of ±1% for DC voltage, ±1.2% for AC voltage, and DC Current and ±1.2% for Resistance.
The Sealey MM18 has a CAT II safety rating, which is suitable for household and light industrial applications.
No. The MM18 is designed for lower voltage applications. Do not exceed the maximum voltage ratings to avoid damage or injury.
Check the connection of the test leads and the selected function. Also, ensure the batteries are not depleted.
Select the continuity setting (often indicated by a symbol that looks like a diode or an arc). Place the probes on the two points of the circuit. If there is continuity (a complete circuit), the multimeter will beep.
Store the multimeter in a cool, dry place when not in use. The flip lid protects the screen and the leads can be stored within the case.
Check the battery and replace it if necessary. Ensure the battery is installed correctly.
Ensure you have selected the correct measurement range and function. Check that the leads are securely connected. If still incorrect, consider if the component being tested is within the specified measurement range.
Check the circuit and the leads for continuity. Make sure the resistance is low enough for an audible signal. If the resistance is too high it will not beep.
