Greisinger GTF 300 Air Probe Type K Thermocouple -65 to +300 °C 600227

For HVAC technicians and industrial maintenance crews, the Greisinger GTF 300 air probe delivers fast, accurate temperature readings in air and gas streams. Its Type K thermocouple sensor responds in about 3 seconds, making it ideal for ventilation checks, flue gas analysis, and process monitoring where quick measurements matter.

Key specifications

• Sensor type: Type K thermocouple (NiCr-Ni)
• Measurement range: -65 to +300 °C
• Probe material: stainless steel (V4A / 1.4571)
• Probe diameter: 3 mm
• Probe length: 100 mm
• Cable length: 1 m, PVC insulated
• Connector: miniature thermocouple plug (flat pin)
• Response time (t90): approx. 3 s in air
• Accuracy class: Class 1 per IEC 584
• Max. cable/handle temperature: +105 °C

Why choose it

The slim 3 mm stainless steel probe reaches into tight ducts and vents without disrupting airflow. The flexible PVC cable with strain relief withstands daily use, and the standard miniature connector plugs directly into Greisinger GMH series meters and many other instruments.

Ideal use cases

• HVAC air temperature measurement in ducts and vents
• Flue gas temperature checks in heating systems
• Laboratory and industrial air/gas temperature monitoring
• Field service with compatible handheld thermometers

Good to know

The probe tip is rated IP67 for dust and water resistance, and the thermocouple meets Class 1 accuracy for reliable readings across its full range.