IFM TW2/TW7 Series Temperature Sensor Switch

Temperature Sensor Switch, Sensor SwitchIFM

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2025/7/4 Update

Non-contact measurement of high-temperature objects｜Switching and analog outputs｜Detects objects with temperatures up to 2500 °C
— ifm’s TW series of non-contact infrared temperature switches is specifically designed for detecting objects with temperatures ranging from 0 to 2500 °C.

IFM TW2/TW7 Series Temperature Sensor Switch

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Technical Features

Non-contact temperature sensor, reliably detects high-temperature objects up to 2500 °C using long-distance measurement technology

Additional functions, such as plug-and-play replacement, real-time configuration file changes, and diagnostic feedback

Transmits process values digitally, eliminating analog signal drift and noise

Integrated LED laser spot for easy alignment with the object

Integrated scratch-resistant precision lens provides reliability in extremely harsh environments

Products + Accessories Selection:

Type	Output	Temperature range	Accuracy (E=1)	Wavelength	Laser pointer	Order No.
Stand-alone	Adjustable 4…20 mA and PNP N.O./ N.C.	0…995.5°C	< ±1% of reading	8…14 µm	–	TW2000
Stand-alone	Adjustable 4…20 mA and PNP N.O./ N.C.	0…995.5°C	< ±1% of reading	8…14 µm	Yes	TW2100
Stand-alone	Adjustable 4…20 mA and PNP N.O./ N.C.	250…1600°C	< ±0.5% of reading	1.0…1.7 µm	–	TW2001
Stand-alone	Adjustable 4…20 mA and PNP N.O./ N.C.	250…1600°C	< ±0.5% of reading	1.0…1.7 µm	Yes	TW2101
Stand-alone	Adjustable 4…20 mA and PNP N.O./ N.C.	500…2500°C	< ±0.3% of reading	0.78…1.06 µm	–	TW2002
Fiber optic	Adjustable 4…20 mA and PNP N.O./ N.C.	300…1600°C	< ±0.5% of reading	1.0…1.7 µm	–	TW2011
Stand-alone	2 x PNP N.O. / N.C.	50…500°C	< ±1% of reading	8…14 µm	–	TW7000
Stand-alone	2 x PNP N.O. / N.C.	250…1250°C	< ±1% of reading	1.0…1.7 µm	–	TW7001
Fiber optic	2 x PNP N.O. / N.C.	350…1350°C	< ±1% of reading	1.0…1.7 µm	–	TW7011

TW2011/TW7011 Required Accessories

	Description	Order no.
	Fiber optic cable, 2 m	E35061
Fiber optic cable, 5 m	E35062
	Probe, lens accessory for infrared temperature sensors	E35060

Connecting Cables

Type	Description	Order no.
	M12 Micro DC (5-pin) 10 m, PUR, shielded	EVC546
	M12 Micro DC (5-pin) 10 m, PUR, shielded	EVC549

Optional Accessories

Type	Description	Order No.
	Air purge	E35063
	Cooling jacket	E35068
	Mounting bracket	E35065
	Protective sleeve	E35066
	Insulating sleeve	E35067

Type	Description	Order No.
	LineRecorder Device, parameter setting software (requires E30390 cable)	QA0011
	USB IO-Link master cable, for parameter setting	E30390
	Memory plug for storing sensor parameters, for easy upload without a computer	E30398

Specifications:

Power supply voltage: TW2: 18…32 V DC; TW7: 10…34 V DC
Rated current: 150 mA per switching output
Ambient temperature:
- TW2: 0…65 °C
- TW7: 0…60 °C
- E35060: -20…250 °C
Protection class: IP65

Benefits Introduce In Detail

Compact infrared temperature sensor for detecting objects with temperatures up to 2500 °C

Many industries involve the detection of objects whose temperature is too high for standard position sensors, for example, in the manufacturing of asphalt, steel, glass, or ceramic products. ifm’s TW series of non-contact infrared temperature switches is specifically designed for detecting objects with temperatures ranging from 0 to 2500 °C.

TW temperature sensors solve these applications by detecting the infrared radiation emitted by an object and converting it into an output signal. The TW2 sensor can provide a precise temperature measurement of the target object.

High precision in a robust housing

ifm’s TW series temperature sensors feature a compact and robust housing. The integrated scratch-resistant sapphire lens has an anti-reflective coating, enabling high reliability in extremely harsh environments by being sensitive to the smallest infrared radiation.

The TW sensor can be equipped with an M12 Micro quick-disconnect connector. Due to space constraints, a fiber optic sensor may be used. In this case, a special lens accessory is required.

Easy to set up

The output can be easily set using the sensor’s buttons and digital display or via IO-Link.