MTCS2601 Thermal - Conductivity Gas Sensor Suitable For Primary Pressure Control

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Payment Terms	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability	5000PCS
Delivery Time	5-8 work days
Packaging Details	Standard packaging
Package Size	SMD package
Response Time	50ms
Humidity	0 - 100%
Air Temperature	20 - 100°C
Film Temperature	180°C
Temperature Coefficient	20 - 100°C
Model Number	MTCS2601
Place of Origin	Switzerland

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Product Specification


Payment Terms	L/C, D/A, D/P, T/T, Western Union, MoneyGram	Supply Ability	5000PCS
Delivery Time	5-8 work days	Packaging Details	Standard packaging
Package Size	SMD package	Response Time	50ms
Humidity	0 - 100%	Air Temperature	20 - 100°C
Film Temperature	180°C	Temperature Coefficient	20 - 100°C
Model Number	MTCS2601	Place of Origin	Switzerland
High Light	thermal conductivity gas sensor ，harsh environment gas sensor ，primary pressure control sensor

MTCS2601 Thermal - Conductivity Gas Sensor Suitable For Primary Pressure Control In Harsh Environments

Principle:

The MTCS2601 gas sensor is based on the Pirani principle, which is a physical principle without chemical reaction. It works based on the change of gas thermal conductivity. The heat flow from the heating resistor on the insulating dielectric film to the cold part of the device depends on the gas conductivity. By measuring the signal of the heating part and the "cold" part of the device at room temperature, the gas concentration can be obtained.

Features:

It is a thermal - conductivity sensor for primary vacuum measurement.
Housed in a SMD ceramic package, and can be provided in tape - and - reel packaging.
With small dimensions, it is suitable for measurement in very small volumes, and the sensor gas volume is ultra - small, such as < 0.1 cm³.
Low power consumption, with an operating power consumption of < 6 mW.
Short time constants and ultra - fast response time, which is < 50 ms.
It has an optimal sensitivity in the range of 10⁻² to 10² mbar, and the range can be extended to 10⁻⁴ to 1 atm.
The measurement range is from 10⁻⁴ to 1000 mbar, with excellent reproducibility.
It has temperature compensation, and the compensation and heating resistors on the same silicon die are well - matched.
Based on the physical resistive sensing principle, it has a stable and long MTBF ( > 30,000 hours).
It is compatible with a simple constant excess temperature operation circuit.
A gold - contact version is available upon request for corrosive gas environments

Application:

It is an excellent choice for size - critical leakage OEM detectors or miniature vacuum gauges based on the Pirani principle, which require ultra - low power consumption, long - term operation, and no maintenance.
Suitable for primary pressure control in harsh environments, as well as the detection of gas leakage, moisture, or intrusion in closed - volume systems. It can be easily installed in pressure valves or directly in vacuum pipes or systems, such as small mechanical pumping systems, vacuum pumps, and analytical instruments. It can also be used for leakage detection to monitor the integrity of closed - system or instruments under a specific pressure, and can detect defects such as corrosion or box opening.

Description	Item	Min	Typical	Max	Unit
Measuring Resistance @21 - 25°C	Rm1 and Rm2	110	120	135	Ω
Reference Resistance @21 - 25°C	Rt1 and Rt2	240	270	300	Ω
Ratio	Rtx/(Rm1 + Rm2)	1.06	1.12	1.18	-
Resistance Difference	Rm1 - Rm2	-1.5	-	1.5	Ω
Resistance Difference	Rt1 - Rt2	-3.5	-	3.5	Ω
Temperature Coefficient (Rm, Rt) 20 - 100°C	α	0.005	0.0055	0.006	/°C
Geometry Factor	G	-	3.9	-	mm
Thermal Loss Coefficient	β	-	0.101	-	mW/°C
Heating Current in (Rm1 + Rm2) --- Air; Ta = 23°C	Ih	-	6.2	-	mA
Heating Power Consumption in (Rm1 + Rm2) --- Air; Ta = 23°C	P	-	15.8	-	mW
Film Temperature	Tm	-	-	180	°C
Air Temperature	Ta	-	-	100	°C
Humidity --- Non - condensing	RH	-	-	100

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2006 
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Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...

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