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I totally doubted these microscopes when I got the email and thought "whatever! They're going to sit in the closet like the other ones because they'll be too hard to use.."
I was totally wrong....they ARE super EASY! :)" -- Library Media Specialist by
Amy -- Maryland
Heat Flow
Product Code: 3150
Price: $209
Rather than simply measuring surface temperature, this sensor measures the energy transfer from or to an object in Watts per square meter.
When the sensor is placed against a flat surface, the differences in the rate of temperature changes between the two sides of the sensor are used to determine the flow of heat. Objects warmer than their environment show a positive heat flow, whereas those cooler show a negative value.
More Product Information
Applications:
Physics:
Investigating insulation properties
Newton's Law of cooling
Heatflow to cold objects
Heatflow from hot objects
Biology:
Heat loss from the body e.g. through clothes; from different parts of the body etc.
General:
Heat flow or loss in buildings e.g. through single and double-glazed windows; from different materials used for glazing; different areas of a door; different building materials.
Range: ± 2kWm²
Resolution: 1 Watt/sq. metre
Operating temperature range: -25°C to 85°C
The Heatflow sensor is designed to measure the flow of heat energy between its upper and lower surfaces giving a bi-directional output in Watts/m². The sensing area is a thermopile consisting of 400 thermocouples set in resin for protection.
Tips for use: When using the heatflow sensor, it should be attached to the test surface using adhesive tape or a rubber band, and left in position for at least 2 minutes to stabilise. (Holding it in position with your hand will produce false readings.) If used on a metallic or glass surface which have low emissivity, attach aluminium foil to the sensor with double sided adhesive tape to improve accuracy.
Product Item Contents
Heat Flow
±2kWm-2
NOTE: A Sensor Cable is required to connect this sensor to the ONE Link, SOLUS, or VISION datalogger.
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