Intrinsically Safe Digital Thermometers for Hazardous Locations since 1983.
Designed and Made in the USA

TL3

Large Display Portable Stem Thermometer

Description

The TL3 thermometer is an ergonomically advanced version of ThermoProbe’s trusted TL1-A. The TL3 incorporates a larger display and an easier to hold shape with the same specifications for high accuracy and long term stability established by the TL1-A. The TL3 is intended to be used anywhere a precision glass stem thermometer or other type thermometer is used. The TL3 is well suited as a calibration reference in the laboratory or field.

The versatile software functions allow easy selection of Celsius or Fahrenheit units and display resolution. Encoded calibration is unaffected by temperature, vibration, or battery removal. Low battery display, and failure mode indications protect the user from false data. The intuitive display indicators allow the user to establish accurate temperature readings. Minimum, maximum and average temperatures are automatically stored to memory for later reference.

The TL3 is constructed with a molded glass-filled nylon case and stainless steel temperature probe. Different from many electronic thermometers, the “Cordless” TL3 has no wires to get in the way or break. The silicone button interface makes for intuitive operation. Standard probe lengths are 8 and 12 inches with additional lengths available upon request. The TL3 comes equipped with an easily replaceable coin cell battery, providing up to 100 hours of operation.

TL3 Model Comparison

Applications

Laboratory, Temperature, Calibration, Reference, Thermo well, Thermowell, Handheld, Metrology, NIST, Traceable, API, ASTM, Temperature bath, Dry block, Dry well, Distillation, Melting point test, Flash point test, Prover, Flow meter, Pharmaceutical, Food, Dairy, Pete’s Plug, Viscosity, Portable, Digital, Inspector, Temperature Calibrator, Precision

 

Display

LCD with 0.5 inch characters
Trend Indicating Arrows
Low Battery & Fault indication
Resolution 0.1 or 0.01

User Functions

Auto Off after 20 minutes or continuous operation
Lowest Reading, Highest Reading, Average Reading
Switchable in Units of °F or °C
Display tenths or hundredths resolution

Construction

Glass-Filled Nylon Enclosure with silicone buttons and a durable polyester graphics window.
Nominal Body Dimensions: 5.0 x 1.7 x 0.85" (3 x 4.3 x 2.2cm)

Weight

4oz (113 grams)
– with 8" sensor

Temperature

Resolution 0.01 Degrees
Calibrated Accuracy:
±0.1°F from 14 to 320°F
±0.06°C from -10 to 160°C
Range: -40°F to 400°F (-40°C to 204°C)
NIST Traceable Report of Test

Temperature Response Characteristics

Temperature Time Constant – 6.5 seconds in circulated water bath
(63.2% response to temperature change)

Temperature Change Stabilization – 19 seconds (0°C to 98°C +/- 0.1°C)

Electronics

Microcontroller and precision 20 bit A/D Converter
FLASH memory
Recommended Temperature Range For best Accuracy 32 to 112°F, 0 to 44°C

Sensor

Stainless Steel RTD temperature sensor
– 100Ω Shock resistant Thin Film RTD
– Standard 8"(20cm) or 12"(30cm) lengths
– Standard 0.25"(6.35mm) diameter with 0.188" (4.76mm) reduced tip
– Recommended Minimum Immersion Depth: 3" (7.6cm)

Batteries

20mm Coin Size 3V Lithium, Duracell DL2032(IEC CR2032)
Over 100 hours Service Life at 70°F, 21°C
Battery Operating Range -4 to 130°F, -20 to 54°C
Note: Battery may not provide adequate power if ambient temperature is below -4°F, -20°C or above 130°F, 54°C

Notes

Specifications subject to change, See data sheet for latest information.
Custom ranges, configurations and sensor lengths available upon request.