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Martindale DT85 Digital Thermometer

Martindale DT85 Dual Input Digital Thermometer

Next Day Delivery (subject to availability)

£81.00 exc. VAT £97.20 inc. VAT £122.40 inc. VAT
  • Dual Input
  • Changeable Probes
  • Multiple Thermocouples
  • Standard Probe Included
  • LCD Display
  • Quick Response
  • FreeDelivery
  • 30DayMoneyBack
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A dual input differential thermometer which allows the user to carry out temperature measurements of two different points at the same time. The unit is supplied with K-type probes and has an impressive measurement range between -200°C to 1372°C (-100°F to 2501°F).

The DT85 has a Relative mode which allows the user to store the last measurement as a reference value and has a hold function for recording the maximum, minimum and average readings. For applications where an offset between the two probes is required, the DT85 allows the user to create the offset via a simple to use set up menu.

Display: liquid crystal display
Polarity: automatic, positive implied, negative polarity indication
Measurement rate: once per second
Power: 2 x 1.5V, AAA alkaline batteries (IEC LR03, NEDA 24A)
Continuous operating time: 250 hours approx.
Low battery indication: the symbol is displayed when the battery voltage
drops below the operating level
Auto power off: after approx. 10 minutes
Dimensions: 132.9(L) x 50.9(W) x 24.7(D) mm
Weight: 148g approx. including batteries
Includes: 2 x K-Type thermocouples, detachable carry strap, 2 x 1.5V AAA
batteries, protective cover and instructions
Operating environment: 0°C to 50°C, <70% R.H.
Storage environment: -20°C to 60°C, < 80% R.H. with batteries removed.
Conforms to BS EN61326-1

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 (Temporarily revised June 2020)

Please note that regrettably, we have had to realign our delivery service options to those available from our carriers.
During the current situation surrounding the effects of the Coronavirus pandemic, logistics from every company are under immense pressure to deliver goods on time.
We have taken the decision to temporarily limit our services rather than let our customers down.
We hope you will understand our position on this and we apologise unreservedly for the inconvenience we know this will cause.
We look forward to restoring our full delivery service schedule just as soon as we are able.

Standard FREE 1-2 Day Courier Delivery – UK Mainland only - Zones A & B

Included in the price for all orders over £75.00 (exc vat). Sent using express courier, delivered within 1-2 working days from the date of your order, subject to availability.


Next Day Anytime Delivery (Excluding Saturday & Sunday) – UK Mainland only - Zones A & B
Sent by express courier, delivered next day (excluding weekends) from the date of your order, subject to availability.


Orders must be placed before 3:00pm for a qualifying next day delivery and a telephone number supplied, subject to availability.

New Postage Map Sept 2018>

Delivery Surcharges

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

  • 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 2 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


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 purchase your items.
All stated prices are subject to VAT at the current rate where applicable E&OA