Sealey 10-Function Digital Multimeter MM21 - Auto-Ranging
14-day returns on all eligible orders
Contact us within 14 days of receiving your order to request a return.
Shipping information
Orders are picked, packed and dispatched from our Northampton warehouse.
- Free delivery to mainland UK addresses on orders of £40 or more.
- Orders under £40, and orders to Northern Ireland, have a delivery charge, shown at checkout before you pay.
- You will get an email with your tracking number once your order has shipped.
Full details are in our Shipping Policy.
Returns & warranty
Changed your mind? You can return an online order within 14 days of receiving it. Please contact us first for return instructions, then you have 14 days to send the goods back.
- Items must be unused, complete and in their original condition, with all accessories, instructions and original packaging.
- You arrange and pay for the return postage on change-of-mind returns. We refund the price of the item plus our standard delivery charge.
- Damaged in transit? Let us know within 48 hours of delivery - photos help.
- Faulty or wrong item? Contact us before sending anything back. Faulty goods are covered by your statutory rights.
Your statutory rights are not affected. Full details are in our Refund Policy, or email onlinesales@nn4online.co.uk.
The Sealey 10-Function Professional Auto-Ranging Digital Multimeter (Model MM21) is designed for both professionals and enthusiasts, offering a range of features for accurate electrical measurements.
- High-Precision Performance: Advanced auto-ranging multimeter ensures accurate and reliable measurements.
- Safety Compliance: Conforms to EN 61010-1 CATIII 600V safety requirements for electrical equipment.
- Versatile Features: Includes temperature measurement capability, data-hold, and auto-power-off function.
- Non-Contact Voltage Detection: Allows for safe, one-handed use.
- Live Test Functionality: Can test for live feeds with a single probe.
- Comprehensive Accessories: Supplied with probes and an integral upright stand for easy use.
With a compact size of 130 x 62 x 30mm and a weight of only 0.138kg, this multimeter is portable and easy to handle.
Specifications
| Brand | Sealey |
| EAN | 5054630433399 |
| Type | Vehicle Service Tools |
| Sub-Type | Electrics |
| Item Weight | 0.26 kg |
| Custom Bundle | No |
| Model No | MM21 |
| Nett Weight | 0.138kg |
| AC Voltage (Accuracy) | 2V/20V/200V/600V |
| DC Voltage (Accuracy) | 2V/20V/200V/600V |
| AC Current (Accuracy) | 2000mA/10.00A |
| DC Current (Accuracy) | 2000mA/10.00A |
| Resistance (Accuracy) | 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ |
| Auto Range | ACV/DCV/Resistance/Continuity/Diode /Temperature/NCV/mA/A |
| Capacitance (Accuracy) | N/A |
| Temperature (Accuracy) | -200°C to 1200°C -328°F to 2192°F |
| Frequency (Accuracy) | N/A |
| Duty Cycle | No |
| Audible Continuity | Yes |
| Diode Test | Yes |
| Backlit/Tourch | Yes |
| Transistor Test | No |
| Hi-Impact Rubber Case | No |
| Digits x Height | 4 x 17mm |
| Low Battery Indicator | Yes |
| Battery (Supplied) | 2 x 1.5V (AAA) |
| Information | Data-Hold, Auto-Power-Off, Integral Stand & Live Test |
| Size (L x W x D) | 130 x 62 x 30mm |
| Weight | 0.138kg |
| Conformity | EN 61010-1 |
| Application | Automotive |
| Manufacturer Part Number (MPN) | MM21 |