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Cooper Atkins DFP450W - User Manual

Cooper Atkins DFP450W
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33 Reeds Gap Road
Middlefield, CT 06455
1-800-835-5011
www.cooper-atkins.com
Bringing you the future in food safety...
67-262
DFP450W
DFP450W
A Digital Pocket Test That
Measures Dishwasher
Final Rinse Temperature
The DFP450W was specifically designed for the harshest foodservice environments. Potentially hazardous
mercury thermometers are often used to check the extreme temperature and water soluble conditions of
commercial dishwater. Eliminate the risk of a mercury spill; the
DFP450W maintains the heat and resists the
water of Commercial 2-Cycle dishwashers.
Do not be alarmed if the DFP450W display is blacked out when you remove it from the
dishwasher - this is normal. In the dish washing process, high heat shocks the display
but the electronics still record the maximum temperature. Once cooled, the display
will return to normal. Reset and you are ready for the next cycle.
Features
-40° to 450°F / -40° to 232°C
Accuracy: ±2F° / ±1C°
Resolution: 0.1°
Maximum Temperature Memory -
Press the "MAX" button to display
the maximum temperature recorded,
ideal in areas of extreme temperature
like freezers and dishwashers (Unit
retains maximum temperature after
shut-off)
Auto Shut-off
0.25" / 6.4 mm High LCD Display
5" / 27 mm Stem Length
Thermistor Sensor Located in Probe
Tip for Quick Response Time and
Accurate Readings
1.5 Volt Battery
Lifetime Warranty
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Summary

DFP450 W Digital Pocket Test Overview

Product Features

Lists key specifications including temperature range, accuracy, resolution, memory, and build.

DFP450 W Operation and Maintenance

Power On;Off

Instructions for turning the DFP450W unit on and off, noting auto shut-off.

Maximum Temperature Function

How to display and clear the maximum temperature recorded by the DFP450W.

Field Calibration

Procedure for calibrating the DFP450W thermometer using an ice-water slush.

Cleaning Instructions

Guidance for removing stubborn grease from the DFP450W probe stem.

Summary

DFP450 W Digital Pocket Test Overview

Product Features

Lists key specifications including temperature range, accuracy, resolution, memory, and build.

DFP450 W Operation and Maintenance

Power On;Off

Instructions for turning the DFP450W unit on and off, noting auto shut-off.

Maximum Temperature Function

How to display and clear the maximum temperature recorded by the DFP450W.

Field Calibration

Procedure for calibrating the DFP450W thermometer using an ice-water slush.

Cleaning Instructions

Guidance for removing stubborn grease from the DFP450W probe stem.

Overview

The DFP450W is a digital pocket test thermometer specifically designed for measuring the final rinse temperature in commercial dishwashers, making it ideal for foodservice environments. This device offers a safe and accurate alternative to traditional mercury thermometers, eliminating the risk of mercury spills in food preparation areas.

Function Description

The primary function of the DFP450W is to accurately measure and record temperatures, particularly the maximum temperature reached during a dishwasher cycle. It is designed to withstand the harsh conditions of commercial dishwashers, including high heat and water exposure. The unit features a "MAX" button to display the highest temperature recorded, which is crucial for ensuring dishwashers meet sanitization standards. Even if the display temporarily blacks out due to extreme heat during a dishwasher cycle, the internal electronics continue to record the maximum temperature, and the display returns to normal once cooled.

Important Technical Specifications

  • Temperature Range: -40° to 450°F (-40° to 232°C)
  • Accuracy: ±2°F (±1°C)
  • Resolution: 0.1°
  • Display: 0.25" / 6.4 mm High LCD Display
  • Stem Length: 5" / 27 mm
  • Sensor Type: Thermistor sensor located in the probe tip
  • Power Source: 1.5 Volt Battery
  • Certifications: NSF certified

Usage Features

  • ON/OFF Control: The unit is turned on and off by pressing the "ON/OFF" button. It features an auto shut-off function after 10 minutes of non-use to conserve battery life.
  • Maximum Temperature Memory: Pressing the "MAX" button displays the highest temperature recorded. This feature is particularly useful for applications where extreme temperatures are reached, such as in freezers and dishwashers. The unit retains the maximum temperature reading even after it shuts off. To clear the "MAX" reading, press and hold the "MAX" button for 3 seconds while in "MAX" mode; the unit will then revert to displaying the current temperature.
  • Quick Response Time: The thermistor sensor in the probe tip ensures quick response times and accurate readings, which is essential for efficient temperature monitoring.
  • Field Calibration: The DFP450W can be field calibrated to maintain accuracy. The calibration process involves immersing the stem at least 1 inch into a slush mix (finely crushed ice and water) without touching the container's sides or bottom. For recalibration, the thermometer must register within the temperature range of 23°F (-5°C) to 41°F (5°C). To enter calibration mode, press and hold the "ON/OFF" button for 8 seconds until "CAL" is displayed on the LCD. Once the display stabilizes, press the "CAL" button until the display reads 32°F (0°C). The unit is then calibrated and ready for use.
  • Durability: Designed to withstand the heat and water of commercial 2-cycle dishwashers, making it suitable for demanding foodservice environments.

Maintenance Features

  • Cleaning: Stubborn grease can be removed from the stem using a scouring pad or fine steel wool.
  • Lifetime Warranty: The DFP450W comes with a lifetime warranty, indicating the manufacturer's confidence in its durability and reliability.

The DFP450W is a robust and reliable tool for ensuring food safety by accurately monitoring critical temperatures in commercial dishwashers, providing peace of mind for foodservice professionals.

Cooper Atkins DFP450W Specifications

General IconGeneral
BrandCooper Atkins
ModelDFP450W
CategoryMeasuring Instruments
LanguageEnglish