TECPEL Thermometers Temperature & Humidity Datalogger TR-51A

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500.00 Grams
Minimum Purchase:
1 unit
  • TECPEL Thermometers Temperature & Humidity Datalogger TR-51A
  • TECPEL Thermometers Temperature & Humidity Datalogger TR-51A
  • TECPEL Thermometers Temperature & Humidity Datalogger TR-51A



The R-51i is ideal for measuring and recording temperature in normal outdoor conditions as well as harsher frozen environments, frozen storage, and high humidity situations. The compact design makes it easy to place almost anywhere. The TR-51i with an internal temperature sensor offers superior waterproof capacity and moderate response time; it is suitable for use in transportation and storage, as well as, in harsh environments.The TR-51i can measure and record temperature from -40°C to 80°C.

TR-51i from Tecpel comes with the following features:

  • No Switches means No Fuss / No Mistakes / No Tampering.
  • Wide Temperature Measuring Range:-60°C to 155°C.
  • Two Types to meet your needs.
  • Large Data Capacity: up to 16,000 Readings.
  • Battery Life Good for up to.
  • Two Years of Continued Use.
  • Wide Selection of Recording Intervals.
  • Two Recording Methods Low-Cost Expandable System.
  • Convenient Battery Warning Display.
  • Compact / Lightweight / Water Resistant.

Field Applications:

  • Managing temperature in concrete production.
  • Performance testing of heat resistant paints.
  • Monitoring temperature during food transportation.
  • Performance testing of air conditioning equipment.
  • Recording temperature of instrumentation and machinery.

Brand Information

Tecpel Co.  Ltd. has over 20 years of experience in the Test and Measurement market. They have set up over 50 country distributors worldwide. Some of their products have been branded by famous leaders in the market. About 60% of their customers are repeat customers. Tecpel imports products from Japan and carries out quality checks. Their products are exported to Europe mainly. If customers find a fault with the product, they will replace it with a new product within 2-3 days.


They are regarded as one of the leading Taiwanese manufactures of high quality test and measurements. Their product lines include power supplies, oscilloscopes, electronics & electrical meters, and testers. Tecpel’s quality products have been accepted by some well-known international customers. The confidence they have in their products is reflected in their one-year warranty and by their flat-rate service policy through 3-5 years.

Data Sheet

To View Data Sheet Please Click Here
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Warranty Information

One-Year Warranty
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Additional Information

Measurement Item:
Temperature and humidity.
Measurement Channels:
1 Ch (Internal Sensor Type).
Measurement Range:
-40 to 80°C.
Response Time (in 90% still air):
About 35 min.
Measurement Accuracy:
Avg. ±0.5°C.
Measurement Display Resolution:
Logging Capacity:
16,000 Readings.
Recording Start Method:
Immediate / Programmed.
Recording Modes:
Endless / One Time.
Recording Interval:
Select from 1,2,5,10,15,20 and 30 sec. / 1,2,5,10,15,20,30 and 60 min.
LCD Displayed Items:
Measured Temperature, Recording. Status, Recording Mode. Infrared Communication Status. Battery Life Warning. Unit of Measurement. Full (Storage Capacity FULL). Unconnected Sensor. Measurement Range Exceeded. Upper/Lower Limit Exceeded
Communication Interfaces:
Optical Communication / Infrared Communication
Infrared Communication:
IrPHY 1.2 low power
Communication Time:
When downloading 1 Unit at full logging capacity: Optical Communication: About 24 sec. (TR-57DCi), About 20 sec. (TR-50U), About 160 sec. (TR-57U), Infrared Communication: About 55 sec. (TR-57DCi).
Power (*1):
Lithium battery LS14250 x 1 (Lithium battery CR2 also okay).
Battery Life (*2):
Maximum 4 years (2 years if it's been selected to “Permit” infrared communication).
Waterproof Capacity:
IP67 (Immersion proof)
External Dimensions:
H62mm x W47mm x D19mm (Excluding protrusions and External Sensor).
About. 54g including battery.
Operating Environment:
-40 to 80°C. When using Lithium Batteries (CR2) sold in stores: -20 to 60°C.
Data Collection Devices:
Communication Port: TR-50U. Data Collectors: TR-57DCi, TR-57U, RTR-57U.
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