Secured by threaded mounting, rated for mV-level voltage and mA-level current. The insulator is made of alumina ceramic, and the electrode material is determined by the thermocouple-pair type (Type R/S/T). Operating temperature ranges from -100°C to 450°C, with an ultimate vacuum of 1×10⁻¹⁰ mbar. Available in 1/2/3/4/5-pair configurations. The 1/2/3-pair versions are recommended for CF16 flanges; the 4/5-pair versions are recommended for CF40 flanges. Custom flange and feedthrough combinations are available upon request. A weldable version of the Type R/S/T feedthrough is also offered. Matching air-side connectors are included, and optional vacuum-side accessories are available.
Features
· Compatible with threaded connectors.
· The material of electrodes determined by the thermocouple-pair type (Type R/S/T).
· Available in 1/2/3/4/5 thermocouple-pair configurations.
· Air-side connectors included.
· Vacuum-side accessories optional.
Parameters
Specification |
Voltage | mV level |
Current | mA level |
Insulator Material | Alumina ceramic |
Electrode Material | Type R/S/T |
Temperature Range | -100°C ~ 450°C |
Ultimate Vacuum | 1×10⁻¹⁰ mbar |
Leak Rate | <1×10⁻¹² Pa·m³/s He |
Dimensions

CF Flange Selection Table |
| Flange | Thermocouple-pair Count | Type R | Type S | Type T |
| CF16 | 1 | MT155-TCR-C16 | MT155-TCS-1-C16 | MT155-TCT-1-C16 |
| CF16 | 2 | MT155-TCR-2-C16 | MT155-TCS-2-C16 | MT155-TCT-2-C16 |
| CF16 | 3 | MT155-TCR-3-C16 | MT155-TCS-3-C16 | MT155-TCT-3-C16 |
| CF40 | 4 | MT155-TCR-4-C40 | MT155-TCS-4-C40 | MT155-TCT-4-C40 |
| CF40 | 5 | MT155-TCR-5-C40 | MT155-TCS-5-C40 | MT155-TCT-5-C40 |
KF Flange Selection Table |
| Flange | Thermocouple-pair Count | Type R | Type S | Type T |
| KF16 | 1 | MT155-TCR-K16 | MT155-TCS-1-K16 | MT155-TCT-1-K16 |
| KF16 | 2 | MT155-TCR-2-K16 | MT155-TCS-2-K16 | MT155-TCT-2-K16 |
| KF16 | 3 | MT155-TCR-3-K16 | MT155-TCS-3-K16 | MT155-TCT-3-K16 |
| KF40 | 4 | MT155-TCR-4-K40 | MT155-TCS-4-K40 | MT155-TCT-4-K40 |
| KF40 | 5 | MT155-TCR-5-K40 | MT155-TCS-5-K40 | MT155-TCT-5-K40 |
Note: For other flange and feedthrough combinations, please contact us. |
Weldable Version Selection Table |
| Thermocouple Type | Thermocouple-pair Count | Model |
| Type R | 1/2/3/4/5 | MT155-TCR-WV |
| MT155-TCR-1/2/3/4/5-WV |
| Type S | 1/2/3/4/5 | MT155-TCS-WV |
| MT155-TCS-1/2/3/4/5-WV |
| Type T | 1/2/3/4/5 | MT155-TCT-WV |
| MT155-TCT-1/2/3/4/5-WV |
Related Accessories |
Accessory | Part Number / Series |
Vacuum cable | MT165-KAP-TR MT165-KAP-TCS Series |