Time & Date Stamp Single Probe Digital Thermometer with Alarm ACC821RFV

$77.58 - $136.58
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Digital Refrigerator / Freezer Thermometer with Alarm

Fahrenheit / Celsius -58° to +158°F (-50° to +70°C)

Bottle Probe

Desk / Wall Mount

Battery Operated

The Triple Display digital thermometer simultaneously shows the current, minimum, and maximum temperatures and records the Time & Date of Hi/Lo Alarms and Min/Max Temperatures. Temperature Certified for Freezers, Refrigerators and Incubators. 5ml Vaccine Bottles probe filled with Bio-Safe medium. Audible & Visual alarms.

The Triple Display Digital Thermometer simultaneously shows the current, minimum, and maximum temperatures and updates continuously. An audible & visual alarm will trigger when the temperatures goes above or below the set temperatures. The minimum/maximum feature monitors critical temperature for any period of time, such as overnight or weekends. To comply with regulatory agencies requirements The Time-Stamp thermometer provides the date and time when the temperature being monitored exceeds the minimum and maximum settings and in real-time. Also an audible alarm will sound and flashing LED will be visible.  

Each thermometer is certified, serialized, and traceable to NIST ISO17025.  Calibration options available are Freezer (-15°C), Refrigerator (+5°C), Incubator (+37°C), and Non-calibrated.

The thermometer probe is housed in a durable plastic vial filled with a Bio-Safe buffer media which maintains the thermometer's readings while the refrigerator or freezer door is open. Thermometers are supplied with dual magnets and hook & loop fasteners to attach the unit to walls or doors. Other features include the flip out desk stand and wall mounting key hole, and comes supplied with AAA alkaline batteries.

Product User Guide Available HERE

Instructional Video Available HERE



  • Visual LED and Audible Beeping Alarms
  • Bio-Safe Glycol / Water Probe Medium
  • Improved Resolution to 0.1°
  • Standard Size Vaccine Bottles


  • NIST Traceable
  • Each Thermometer Individually Serialized
  • High Accuracy ±0.3°C (±0.5°F)
  • Range -50 To 70°C (-58 To 158°F)
  • Min-Max Temp with Time & Date Stamp
  • Readings in Memory
  • Low/High Alarm Limit Setting
  • °C / °F Mode
  • Low Battery Indication
  • Flip Out Desk Stand
  • Wall Mounting Key Hole
  • Magnetic or HOOK & LOOP Attachment



Measuring Range -50 To 70°C (-58 To 158°F)
Display Accuracy ±0.3°C (±0.5°F)
Display Resolution 0.1°
Display Reading Update 10 Seconds
Alarm Limit Setting Resolution 0.1°
Time Accuracy ±3 Seconds Per Day
Time Display Format 12 or 24 Hour Format
Date Display Format Date/Month/Year or
Effective Calendar Period 2013 To 2099
Battery 1.5 Volt
Working Ambient Temperature 0 To 50°C (32 To 122°F)
Display Size 47(W) X 39(H) Mm
Product Size 75(W) X 120(H) X 19(D) Mm
Accessories 1.5 Volt Type AAA or Equivalent x2