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Digital Thermometer TL1-W ThermoProbe |
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Product Description |
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The TL1-W is an intrinsically safe digital laboratory thermometer designed for use in hazardous locations. The TL1-W is an improved version of the original ThermoProbe model TL1. The TL1-W is intended to be used anywhere a precision glass stem thermometer or other type thermometer is used. The TL1-W incorporates glass thermometer simplicity and reliability with the convenience of a digital display. Like precision mercury thermometers, the TL1-W has accuracy, repeat-ability and long-term stability. But unlike those thermometers there will never be problems with mercury separation or hazardous material cleanup. The TL1-W is commonly used as a calibration reference for field temperature instruments such as gauging thermometers and flow meters. With a history of proven accuracy, The TL1-W has become a standard for temperature in multiple industries. |
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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. |
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The TL1-W is constructed with a heavy-duty aluminum housing and stainless steel temperature probe. The TL1-W is well suited to thermal well application due to a horizontal display and a versatile bulk head style fitting. Different from many electronic thermometers, the “Cordless” TL1-W has no wires to get in the way or break. The sealed overlay switch interface makes for intuitive operation. The TL1-W comes equipped with easily replaceable AAA batteries, providing up to 200 hours of operation. |
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Certifications |
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The TL1-A certifications are recognized in Europe ( ATEX ) and internationally ( IECEx ) |
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A one year warranty, protective case and NIST traceable 4 point calibration report are included |
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Applications |
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Hazardous location, Intrinsically Safe, Laboratory, Temp., Calibration, Reference, Petroleum, Pipeline, Thermo well, Thermowell, Handheld, Metrology, NIST, Traceable, Certified, API, ASTM, Temperature bath, Distillation, Melting point test, Flash point test, Prover, Flow meter, Pharmaceutical, Food, Dairy, Pete’s Plug, Viscosity, Portable, Digital, Inspector, Temp. Calibrator, Precision, Ex, UL, ATEX, IECEx |
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Technical Specifications |
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Display |
LCD with 0.25 inch characters |
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Trend Indicating Arrows |
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Low Battery & Fault indication |
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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 |
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Construction |
Stainless steel temperature sensor; Standard Sensor length 8" ( 20 cm ); Standard diameter 1/4" ( 6.35 mm ) with reduced diameter tip of 3/16" ( 4.76 mm ); Sturdy aluminum frame surrounding aluminum enclosure; Electronics and display in 3.5" x 1.2" anodized Aluminum enclosure; Molded Silicone seal; Highly durable display window, graphics and membrane switches. |
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Weight |
6.5 ounces, 180 grams |
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Temp. Resolution : |
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0.01 Degrees |
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Calibrated Accuracy |
±0.06 °C from -10 to 160 °C ; ±0.1 °F from 14 to 320 °F NIST Traceable Report of Test |
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Temp. Time Constant |
8 seconds in circulated water bath |
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( 63.2 % response to temp. change ) |
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Electronics |
Ultra Low Power Microcontroller |
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FLASH Memory |
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20 bit A/D Converter |
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Recommended Ambient Temp. Range for Best Accuracy 32 ° to 112 °F, 0 ° to 44 °C |
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Sensor |
100 Ohm, Class A 1/3 DIN RTD |
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Immersion depth 4", 11 cm |
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Battery |
2 AAA Alkaline; Duracell MN2400 |
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Battery Life several hundred hours depending on backlight usage |
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Battery Operating Range -4 to 130 °F, -20 to 54 °C |
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Note: Battery may not provide adequate power if ambient temp. is below -4 °F, -20 °C or above 130 °F, 54 °C |
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