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Home  >>  Products  >>  Moisture/Air/Temperature  >>  618 Recording Oven Thermometer
618 Recording Oven Thermometer

618 Recording Oven Thermometer   618 Recording Oven Thermometer Diagram
The case of the instrument is gold anodized aluminum to minimize case heating that might result from radiant energy sources. It's especially designed to measure air temp, the perforated case allowing rapid equilibration with external air. Thus the Temperature record of an industrial oven which was turned on at 9:30 A.M. and reached a peak temp of 370°F at 4 P.M. Power was turned off at 5 P.M. and oven cooled to ambient.



FEATURES TECHNICAL DATA PRICE LIST
 

 

Features

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Model 618, Dry Stylus Recording Oven Thermograph records temperatures up to 500°F (260°C) over 1 or 24 hour time spans. The instrument uses a spring wound precision chart drive which is silicone lubricated to operate at higher temperatures.

The recording surface of the chart is heat resistant and gives a permanent record of the temperature measured over time.The recording charts are calibrated to the bimetallic spiral, which drives the dry stylus, producing the record. The sensor is constructed of ASTM type TM-2 bi-metal alloy. The bimetal sensor is conditioned, annealed, and tested for permanent calibration.The spring wound chart drive requires no power or batteries and is nonexplosive. The instrument and chart movement are independent of any external connections. The clock movement is enclosed and is protected from dust and dirt. The clock mechanism’s warranty is 6 mos.The stainless steel stylus does not require changing, sharpening, or replacing.

The 3-5/8" diameter circular chart incorporates a film on a Teflon coated aluminum base. The temperature-time record is traced on this surface with the stylus. For more permanent storage of a chart trace, a 4" wide strip of clear shipping tape (or similar) can be placed across the top of the smoke chart. Excess tape is then trimmed.

Caution: Do not allow instrument to exceed 500°F (260°C). When replacing a chart, the chart nut should not be overtightened–it should be "just snug".

 

Technical Data

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Technical Data
Available Temperature & Time Ranges:
70°F to 300°F: 1 hour or 24 hours
20°C to 150°C: 1 hour or 24 hours
50°F to 350°F: 1 hour - N.A. for 24 hours
70°F to 400°F: 1 hour or 24 hours
20°C to 205°C: 1 hour or 24 hours
70°F to 500°F: 1 hour or 24 hours
20°C to 260°C: 1 hour or 24 hours
Accuracy: ± 3% of full scale range
Chart Diameter: 3-5/8 in. (9.2 cm)
Diameter: 3-15/16 in. (10 cm)
Height: 3-1/4 in. (8.3 cm)
Weight: 14 oz. (397 g)
Shipping Weight: 3 lbs. (1.4 kg)
Finish: anodized aluminum

 

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 Prices
Model 618 Recording Oven Thermometer
(Specify time and temperature range required) comes complete with 10 recording charts
$895.00
Recording Charts
(Specify Time & Temperature Ranges) Charts, 10 to a case
70.00



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