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Heat Flow Sensors - MF-180 MF-180M

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• MF-180 For general use, compact, high sensitivity
• MF-180M Compact design with high sensitivity
• MF-180 Repeatability: ±2%
• MF-180M Repeatability: ±2%
• MF-180 General Sensitivity: 0.028 mV/W･m-2
• MF-180M General Sensitivity: 0.025 mV/W･m-2

Model Number: MF-180 MF-180M
Data Sheet:

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Product Specification

MF-180 MF-180M Heat Flow Sensors Introduction
Due to a strong drive for energy saving nowadays, the interests towards the thermal insulation of facilities such as buildings, offices, factories, and houses, become higher. The MF-Series Heat Flow Sensors are designed to directly measure the heat radiations or heat transmission from wall, floor/ground, stock storage wall, and freezer wall, as well as to measure the heat flow rate of underground, by embedding or attaching the Heat Flow Sensor to the measuring part.

MF-180 and MF-180M are compact type heat flow sensor with high sensitivity. MF-180M is designed for outdoor use.

MF-180 MF-180M Heat Flow Sensors Main Functions
Compared to a heat flow measurement by common thermometer, these heat flow sensors result with very accurate measurements.
With high sensitivity, these heat flow sensors perform well even with low heat flow measurements.

The heat flow sensors are calibrated using improved GHP method (JIS A 1412, ASTM C1777).

1. MF-180
The heat flow sensor is covered with black polyester sheet.
• For general use, compact, high sensitivity

2. MF-180M
The heat flow sensor is molded with epoxy resin which has high waterproof property for burying underground and outdoor use for a long period of time.
• Compact design with high sensitivity
• For burying underground and high durability

MF-180 MF-180M Heat Flow Sensors Specifications

Models		MF-180	MF-180M
Characteristics		General Use Compact High Sensitivity	Waterproof Ground Burial High Durability
Application Environment		Indoor	Ground Burial
Radius of Installing Curvature (mm)		> 80mm	> 500mm
Waterproo		N/A	Applicable
Operation Temperature (°C)	Sensor	-30~+120	-20~+120
Operation Temperature (°C)	Cable	-25~+60	-25~+60
General Sensitivity (mV/W･m^-2) (Room Temp.)		0.028	0.025
Repeatability (%)		±2	±2
Response Time (sec)	63%	4.6	1.5
Response Time (sec)	95%	25	13
Internal Resistance (Ω) (Room Temp.)		150~550	150~550
Thermal Resistance (m²･°C/W)		1.4×10^-2	1.5×10^-2
Thermal Resistance Material		Teflon	Teflon
Coating Material		Polyester	Carbon FRP
Dimension (mm) (l x w x t)		42 x 20 x 0.9	50 x 25 x 1.2
Weight (g)		1.1	1.8