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Acorn™ Temp 6 RTD Thermometer

Compact, rugged meters with splash-resistant membrane keypad


Certifications/Compliance CE, NIST
Dimensions (L x W x H) 5.5 x 2.75 x 1.25 in. (14 x 7 x 3.17cm)
Resolution 1°C
Weight (English) 16 oz.
Weight (Metric) 450g
View More Specs

Includes: Four 1.5V AAA batteries

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Catalog Number Mfr. No. Includes Accuracy Price Quantity  
Catalog Number Mfr. No. Includes Accuracy Price Quantity  
13-621-825 Oakton Instruments
Rubber boot, four 1.5V AAA battery and instruction manual ±0.2°C N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.


Compatible with 100ω Pt RTDs for excellent accuracy, stability and repeatability over a wide temperature range. Probe sold separately.

  • Large, easy-to-read display
  • All push-button operation for fast ease-of-use—no trimpots to adjust
  • Minimum/maximum keys display highest/lowest temperature (°F/°C selectable) since meter was switched on
  • Use MIN/MAX HOLD Mode to display the lowest or highest temperature measured since entering this mode
  • Push-button temperature offset calibration adjustment enables fine-tuning of factory calibration
  • Hold function freezes measurements for convenient reading and recording
  • Auto-off function turns meter off after 17 minutes of non-use to save batteries
  • Protective boot (included) protects meter and features a built-in stand
  • Resolution is 0.1°C/0.1°F from -99.9 to +199.9°C/-147.8 to +391.8°F; 1.0°C/1.0°F outside this range
  • Accuracy is ±0.2°C /0.4°F from -99.9 to +199.9°C/-147.8 to +391.8°F; ±2.0°C/4.0°F outside this range
  • Input via three-pin locking connector
  • Single-line LCD operating display, with -328 to +1562°F (-200 to +850°C) temperature range
  • Four 1.5V “AAA” batteries allow more than 200 hours of continuous use

Order Info

Meter weight: 1 lb. (450g). Meter dimensions: 5.5 × 2.75 × 1.25 in. (14 × 7 × 3.5cm).


CE approved. Available with NIST™ certification.


Three years

Description & Specifications


5.5 x 2.75 x 1.25 in. (14 x 7 x 3.17cm)
16 oz.