The Martindale MM39 multimeter is autoranging and features a large rotary knob for easy selection of the required test, even when wearing gloves.
There are two additional buttons, one to lock the range and the other to hold the result on the display. The multimeter functions include DC Volts, AC Volts, AC Amps, Ohms, Continuity with Audible Indication and Diode Test.
Each MM39 multimeter is supplied with standard test leads, batteries, protective rubber holster and instruction manual.
MM39 Multimeter Comes Supplied With:
- TL16 Test Leads
- 2 x 1.5V Batteries
- Instruction Manual
| Martindale MM39 Auto Ranging Multimeter |
| Display |
3.5 inch digit liquid crystal display (LCD) with max reading of 1999 |
| Polarity |
Automatic, positive implied, negative polarity indication |
| Overrange |
(OL) or (-OL) is displayed |
| Zero |
Automatic |
| Low battery |
Symbol displayed when below certain level |
| Measurement Rate |
2 times per second, nominal |
| Auto Power Off |
Approx. 10 mins |
| Operating Environment |
0 to 50°C at <70% relative humidity |
| Storage Temperature |
-20 to 60°C at <80% relative humidity |
| Accuracy |
Stated accuracy at 23°C ±5°C, <75% relative humidity |
| Temperature Coefficient |
0.1 x (specified accuracy) per °C (0 to 18°C, 28-50°C) |
| Altitude |
6561.7 feet (2000m) |
| Power |
1.5V batteries x 2, RO3/Size AAA |
| Battery Life |
200 hours typical with carbon-zinc |
| Dimensions |
145mm (H) x 70mm (W) x 34mm (D) |
| Weight |
Approx 11.1oz (315g) including holster |
| DC Volts |
|
| DC Voltage Range |
200mV, 2V, 20V, 200V, 600V |
| DC Resolution |
0.1mV |
| Accuracy |
±(1.0% rdg + 2 dgts) |
| Input Impedance |
200mV: >100MΩ: 2V: 10MΩ, 20V-600V: 9.1MΩ |
| Overload Protection |
600VDC or AC RMS |
| AC Volts (50Hz-500Hz) |
|
| Ranges |
200mV, 2V, 20V, 200V, 600V |
| Resolution |
0.1mV |
| Accuracy |
±(2.0% rdg + 5dgts) 50Hz-100Hz on 200mV range, ±(2.0% rdg + 5 dgts) |
| Input Impedance |
200mV: >100MΩ: 2V: 10MΩ, 20V-600V: 9.1MΩ |
| Overload Protection |
600V DC or AC rms |
| Current |
|
| Ranges |
10A |
| Resolution |
0.01A |
| DC Accuracy |
±)3.0% rdg + 3 dgts) |
| AC Accuracy |
(50Hz-500Hz) ± (3.5% rdg + 5 dgts) |
| Voltage Burden |
0.2V |
| Input Protection |
10A/500V fast blow ceramic fuse |
| Resistance |
|
| Ranges |
200Ω, 2kΩ, 20kΩ, 200kΩ, 2MΩ, 20MΩ |
| Resolution |
0.1Ω |
| Accuracy |
±(1.5% rdg + 4 dgts) on 200Ω to 200kΩ ranges
±(2.5% rdg +4 dgts) on 2MΩ range
±(5.0% rdg + 5 dgts) on 20MΩ range |
| Open Circuit Volts |
-0.45Vdc (-1.2Vdc on 200Ω range) |
| Overload Protection |
500V DC or AC rms |
| Diode Test |
|
| Test Current |
1.0mA (approximate) |
| Accuracy |
±(3.0% rdg + 3 dgts) |
| Resolution |
10mV |
| Audible Indication |
<0.25V |
| Open Circuit Volts |
3.0Vdc typical |
| Overload Protection |
500V DC or AC rms |
| Continuity |
|
| Audible Indication |
Less than 25Ω |
| Response Time |
500ms |
| Overload Protection |
500V DC or AC rms |
|
|
UK Mainland
|
Order by 2pm for Next Day Delivery*
|
|---|
| Under £25.00 |
£4.50 |
| Over £25.00 |
FREE |
|
UK Highlands & Islands
|
Order by 2pm for Next Day Delivery*
|
|---|
| Under £80.00 |
£15.00 |
| Over £80.00 |
FREE |
