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AMG SERIES HEAT FLUX SENSOR
AMG SERIES heat flux sensor is a Gardon-type heat flux gauge with a circular constantan foil coated with absorbing coating attached to a copper heat sink. When the Gardon gauge is used to measure radiation flux, the thermal radiation is uniformly incident onto the gauge foil surface, and there is a temperature gradient in the radial direction so that the metal leads attached to the foil center and the edge form a thermocouple joint. The voltage output of the Gardon gauge from this thermocouple joint is linearly proportional to the incident heat flux in the steady-state heat flux conditions. The ratio of the voltage output to the measured heat flux is defined as the measurement sensitivity of the heat flux gauge.
SPECIFICATIONS
Standard ranges |
50, 100, 200, 300, 500, 1000, 2000, 5000, 10000, 15000, 20000 kW/m (Other ranges available on request) |
Output signal |
Linear, nominal 10 millivolts at full range |
Maximum allowable operating body temperature |
204 ℃ |
Over-range capability |
to 150% F.S. |
Maximum non-linearity |
±2% F.S. |
Repeatability |
±0.5% |
Expanded uncertainty of the calibration |
±3% with coverage factor k=2, for a confidence level of approximately 95%. |
Sensor coating absorptance |
0.95 average hemispherical, from 0.3 to 15 μm. |
Lead wire |
High temperature cable of stranded plated copper, twisted pair, Teflon insulation over each wire, plated copper braid shield over both, Teflon jacket overall |
Sensor type |
Gardon |
Nominal output resistance |
Less than 5 ohms. |
AMI Instrument
Main:heat flux sensors, gardon RADIOMETERS, heat flux meters
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Address:4F, Building 5, Haida Industrial Park, 32 Wudong Road, Yangpu District, Shanghai
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