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Home  >>  Products  >>  Moisture/Air/Temperature  >>  Surface Temperature Thermometers
Surface Temperature Thermometers

Model 309, 310 & 311 (Fully Enclosed)

Surface Temperature Thermometers

These thermometers, fabricated of quality materials, work on a conduction-radiation principle. The base of the unit is placed on the surface to be measured. Heat is transferred to the inner chamber of the unit, which contains a bimetallic sensing element. Radiation from the base inward causes the sensing element to react, with resulting dial readout.

Easily and quickly installed. For nonhorizontal areas,the bottom of the unit is coated with a thin layer of silicone grease and the unit is pressed into position. The grease will hold the thermometer in place on ferrous surfaces and a magnet and leaf spring holds the instrument firmly against the surface. These instruments are fully enclosed to protect the bimetal from dirt and dust.

Heated Surface

Technical Data
Model Range °F DIV.
309F -50 to +250
310F 0 to 300
311F 70 to 370
Model Range °C DIV.
309C -50 to +110
310C -10 to +150
311C 20 to 180
Specifications
Dimensions: Inches: 2 (dia) x approx 1/2(h)
Cms: 5.08 (dia) x approx 1.27(h)
Weight: 1 oz (28.35g)
Shipping Weight: 6 oz (170.1g)

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
TH-309, 310, 311 C & F plastic box w/o magnet clamp & silicone adhesive $54.00
TH-310.7 Magnet & Leaf Spring 21.00
TH-310.8 1/2 oz. Silicone Adhesive 21.00

 

 

 

GARDCO/PTC Thermometer

Certification

All standards used for calibration are certified every 6 or 12 months depending on the type. These standards are traceable either to the National Institute of Standards and Technology (NIST) or to natural physical phenomena.

Certification traceable to NIST in accordance with ANSI/NCSL Z540-1 is available. Two types of certifications are available, with or without logged points. The certification with logged points provides both before and after readings. Calibration temperatures are of the calibrator's choosing, unless otherwise specified by the customer. The certification without logged points provides low, medium and high points of the calibrator's choice. The points calibrated are not logged and will not be recorded.

Both certifications include traceability information on the standards used in calibration. This information consists of: Type of standard, manufacturer, model number, serial number date calibrated, due date and NIST traceability number.

 

Prices

top
Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
TH-CERT/0 NIST Certification without logged points $130.00
TH-CERT/3 A2LA NIST (ISO 17025) Certification with 3 logged points 185.00



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