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Martindale MM39 Auto Ranging Multimeter

£38.39
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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
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Description

Martindale MM39 Auto Ranging Multimeter


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

Features & Specification

More Information
Key Features Measures resistance, AC/DC voltage, Auto and Manual Range
Product Stock Status Next Day Delivery (subject to availability)
Manufacturer Martindale
Short Description
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

Delivery

Updated January 2024

Please note, our cut-off time is 2:00pm

Orders requiring calibration 

Whilst we take the greatest care to get all orders dispatched and delivered to you in the stated time frame, orders received PM and requiring calibration may on occasion miss dispatch that day, according to the complexity of the calibration.
Be assured they will ship on the next dispatch this in most cases should not add more than 24 hours to your delivery.

Bank/Public Holidays

Predicted delivery times are based on regular trading days Monday to Friday. Public holidays, bank holidays and weekends are outside the usual scope
of our dispatch and subject to activities/holidays of our carriers and therefore may incur additional days lead time to your order.

*UK Mainland (Revised March 2021)

Service Price
Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value OVER £75.00 ex VAT FREE
Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value UNDER £75.00 ex VAT £4.95
Next WORKING Day (excludes Saturdays, Sundays and public holidays)  – UK Mainland only - Zones A & B  - ANY order value - Order by 2:00pm £7.75
Saturday ANYTIME Delivery - Order by 2:00pm £9.95
 

 

 

 

 

Delivery Surcharges

Because of the high cost of carriage, we regretfully need to apply a surcharge on all deliveries made in the following regions:

  • Zones A & B  - Mainland delivery rates apply. 
  • Zone C - Scottish Highlands (Charges are calculated at the checkout).
  • Zone D - Outer Hebrides, Orkney Isles, Shetland Isles, Isle of Man, Scilly Isles, and Channel Islands (Charges are calculated at the checkout).
  • Zone E - Northern Ireland (Charges are calculated at the checkout).
  • Zone F - Republic of Ireland (Charges are calculated at the checkout).

Offshore Services

All offshore deliveries are a 3-4 day service as standard. This includes Channel Islands, Northern & Southern Ireland, Scottish Islands, Isle of Man and the Scilly Isles.

International delivery

International delivery charges are automatically added to your order at the checkout. For any questions regarding international deliveries please contact us at sales@isswww.co.uk

Export 

All export inquiries should be directed to the export division before placement of order.

If no shipping option is available to your selected country please call us FREE on 0800 0224 060 to discuss your requirements.
All stated prices are subject to VAT at the current rate where applicable.
E&OA