DT400 - Thermometer Comark - Free user manual and instructions

Product Type	Pocket Digital Thermometer with thin tip probe
Temperature Measurement Range	-4°F to +400°F (-20°C to +204°C)
Accuracy	±2°F (±1°C) in the range of 0°F to 250°F; ±3°F outside
Resolution	0.1°F/°C
Sampling Time	1.5 seconds
Response Time	Under 6 seconds
Probe Tip Diameter	1.5 mm
Waterproof Rating	Yes (splash-proof for commercial use)
Scales	°F / °C (selectable)
Battery Type	1.5 V Button Cell (LR44)
Battery Life	Approximately 1 year with normal use
Display	Large digit LCD, visible from top
Functions	Max hold, field calibration, auto-off?
Field Calibration	Yes (user adjustable)
Antimicrobial Protection	BioCote® antimicrobial material reduces cross-contamination risk
Safety Listing	NSF® Listed
Warranty	1 year limited (probe: 6 months)
Intended Use	Food temperature checks, commercial dishwasher rinse cycles
Replaceable Parts	Battery (LR44)
Dimensions	Approximately 4.5 x 1.5 x 0.5 inches (estimated)
Weight	Approximately 30 g (with battery)

Frequently Asked Questions - DT400 Comark

How do I switch between Fahrenheit and Celsius?

Press the °F/°C button to toggle between scales. The display will show the selected unit.

Is the DT400 thermometer waterproof?

Yes, it is waterproof for commercial environments, such as checking dishwasher rinse cycles. However, do not submerge it underwater.

How do I use the Max Hold function?

Press the Max Hold button to display the highest temperature recorded. Press again to return to current reading.

What is the temperature range of the DT400?

The range is -4°F to +400°F (-20°C to +204°C).

How accurate is the DT400 thermometer?

Accuracy is ±2°F (±1°C) between 0°F and 250°F, otherwise ±3°F.

Can I calibrate the DT400 in the field?

Yes, it is field calibratable. Refer to the manual for calibration instructions using ice water or a known reference.

How do I change the battery?

Remove the battery cover, replace the LR44 button cell with a new one, and reattach the cover. Ensure correct polarity.

What is BioCote antimicrobial protection?

BioCote is an antimicrobial additive that reduces the growth of bacteria on the thermometer surface, lowering cross-contamination risk.

How fast does the DT400 respond to temperature changes?

The probe responds in under 6 seconds, with a sampling time of 1.5 seconds.

Is the DT400 suitable for food service?

Yes, it is designed for food temperature checks and HACCP compliance, with NSF listing and BioCote protection.

USER MANUAL DT400 Comark

The DT400 Pocket Thermometer with thin tip probe has a large digit display visible from the top of the instrument. By using the maximum hold button, you can switch between the maximum reading and the current temperature reading

The DT400 Pocket Thermometer can be used for food temperature checks and the thin tip probe gives a response within 6 seconds.

It is a waterproof thermometer and durable enough to use for checking the final rinse cycle temperature of commercial dishwashers

Features

■ Scales °F, °C
■ Maximum temperature hold
- Field calibratable
- Accurate to ± 1°F
■ NSF Listed
■ BioCote Antimicrobial Protection
■ One Year Warranty
■ BioCote® Antimicrobial reduces the risk of cross-contamination

NSF®

COMARK

A Fluke Company

Comark Instruments

P.O. Box 500

Beaverton, OR 97077, USA

Tel: [phone]

Toll Free: [phone]

Fax: [phone]

Email: [e-mail]

Comark Instruments

52 Hurricane Way

Norwich, Norfolk, NR6 6JB

United Kingdom

Tel: [phone]

Fax: [phone]

Email: [e-mail]

0451

FM29700

All rights reserved. Data subject to alteration without notice. All trademarks are the property of their respective owners. Modification of this document is not permitted without written permission from Comark Instruments.

Comark DT400

Pocket Digital Thermometer

with thin tip probe

Specifications for DT400 Pocket Digital Thermometer

Temperature Measurement Range	-4°F to +400°F
Accuracy ±2°F
Sampling Time 1.5 seconds
Response Under 6 seconds
Probe Tip Diameter 1.5mm
Waterproof Yes
Scales °F/°C
Battery Type	1.5 V Button Cell battery (LR44)
Warranty	1 Year Limited
For more details on the Comark range, please see www.comarkUSA.com

Warranty

All Comark instruments have a minimum one year warranty unless otherwise stated. The warranty for temperature probes is six months and all other probes are unwarranted because the conditions of use are beyond our control. The Comark Warranty covers manufacturing defects and component failure and applies worldwide. In line with our policy of continuous development, we reserve the right to alter any product specification without notice. Comark has an accredited UKAS (NIST equivalent) calibration laboratory for temperature and humidity measurement and offers full service and recalibration facilities.

Comark products are designed and manufactured for commercial use by trained operators. Any reference to 'dishwasher safe' refers to commercial machines, not domestic or home model machines. Waterproof denotes that an item can be used in the wet environment of a commercial establishment. Comark thermometers are not designed for use underwater.

Comark Instruments is committed to providing quality and affordable products to the food service industry. Our thermometers and humidity testers bring speed, accuracy and reliability to the transport, testing and storing of food under HACCP guidelines. A large variety of products, well-trained staff, and a commitment to customer satisfaction mean you can come to us for answers to all your temperature measurement needs!