Related Manuals for PHYSITEMP TH-8
Summary of Contents for PHYSITEMP TH-8
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Page 1: Table Of Contents
OPERATING MANUAL THERMALERT MONITORING THERMOMETER TH-8 CONTENTS Section INTRODUCTION INITIAL INSTALLATION PRECAUTIONS DIRECTIONS FOR USE REPLACING BATTERIES CHECKING CALIBRATION AUXILIARY OUTPUT SPECIFICATIONS TEMPERATURE MEASUREMENT WITH THERMOCOUPLES 10.0 REPAIRS AND RECALIBRATION QX My computer\Shared docs\Operating Manuals\TH-8 EB Rev 1... -
Page 3: Initial Installation
The Physitemp Thermalert series Clinical Monitoring Thermometers are compact, digital instruments for continuous temperature monitoring. They are all battery operated. Model TH-8 has 3 probe inputs for monitoring of up to 3 sites, and provides a choice of reading in degrees C or degrees F. -
Page 4: Directions For Use
DIRECTIONS FOR USE Connect temperature sensor(s) and cable(s). One, two or three of the numbered INPUTS may be used. Depress the ON-OFF pushbutton. In the ON position an orange indicator will be displayed within the pushbutton. For several seconds the display should read “1888” as a segment check. Do not use thermometer if any display numeral is incomplete. -
Page 5: Checking Calibration
Wait 10 minutes. Be sure sensors are not touching side of vessel. Switch the TH-8 on with the slide switch on the back panel in the degrees F position. Make sure the “LO BAT” display indication does not appear. Stir the water bath well, and read the mercury-in-glass thermometer to an accuracy of 0.05 degrees, making sure to minimize par-... -
Page 6: Auxiliary Output
Centigrade to Fahrenheit if necessary by mutiplying by 9/5 and adding 32. Compare this reading with that of the Model TH-8. Note both Fahrenheit readings and any differences on a record sheet. Move the slide switch to the degrees C position. Stir the water bath another time, and again compare the standard thermometer reading with that of the instrument. -
Page 7: Specifications
Conforms to National Institute of Standards and Technology tables (Monograph 125). Instrument Accuracy 0.1°C (+0.2 degrees) ±1 digit at 25°C ambient Sensors Any Physitemp type T thermocouple probe. Ambient Operating Range 15°C - 40°C Storage 0 to 55° C (32 to 132° F) Readout 3 1/2 digits, LCD 0.5”... -
Page 8: Temperature Measurement With Thermocouples
The main disadvantage of the thermocouple low sensitivity was overcome by the develop- ment of auto zeroing amplifiers which are now used in all Physitemp thermometers. This type of amplifier is essentially drift-free. It makes possible an electronic thermometer which is permanently calibrated, just like a mercury thermometer. - Page 9 For example, with a probe of 1/16” diameter, 10 x 1/16” = 10/16 = .625 = the minimum immersion depth. Errors between thermocouple probes. All Physitemp probes and sensors are made with ther- mocouple wire that has been specially tested to meet our own stringent standards. Our probes are guaranteed accurate to within 0.1°C in the range 0-50°C.
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Page 10: Repairs And Recalibration
12 months from date of shipment. Repair or replacement will be made at no charge at the discretion of Physitemp if the defect is not the result of misuse or abuse. Physitemp accepts no consequential liability for delay in delivery, alleged faulty performance of the product, or for any other cause. - Page 11 PHYSITEMP INSTRUMENTS INC 154 Huron Avenue Clifton, NJ 07013 U.S.A. Tel: 973-779-5577 Fax: 973-779-5954 e-mail: physitemp@aol.com OPERATING MANUAL MONITORING THERMOMETER THERMALERT TH-8...
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