Base Model | Description and Specs | Remarks |
| T40-CO2-30-SF0-X | Photodetector type : Detector TS80 Thermopile Spectral Response : 4.24 µm Operation temp range : Flame Detection 120 to 1650°C Optical resolution D:S : 33:1 Response time : 130ms Repeatability : ± 0.5% of reading for Tmeas > 700°C ± 1% of reading or ± 3°C for Tmeas ≤ 700°C System Accuracy : ± 1.0% of reading for temperature > 700°C ± 2.0 % of reading or ± 6 K for Tmeas ≤ 700°C Focal Distance : SF0 1520mm (60 in) | Measurement of CO2 Gas Flames Suitable to replace D54TX.... DS6TX.... |
| T40-CO-30-SF0-X | Photodetector type : Detector TS80 Thermopile Spectral Response : 4.64 µm Operation temperature range : Flame Detection 120 to 1650°C Optical resolution D:S : 33:1 Response time : 130ms Repeatability : ± 0.5% of reading or ± 2.5°C System Accuracy : ± 1.0% of reading or ± 5 K Focal Distance : SF0 1520mm (60 in) | Measurement of CO Gas Flames Suitable to replace D52TX.... |
| T40-NOX-30-SF0-X | Photodetector type : Detector TS80 Thermopile Spectral Response : 4.47 µm Operation temperature range : Flame Detection 120 to 1650°C Optical resolution D:S : 33:1 Response time : 130ms Repeatability : ± 0.5% of reading System Accuracy : ± 1.0% of reading + 2°C Focal Distance : SF0 1520mm (60 in) | Measurement of NOx Gas Flames Suitable to replace D51TX.... DRYTX.... |
Special note: When replacing D51, D52 and D54 TX sensors with these T4.0 version it will necessary to re-scale the anlog output to start at 250°C). USB Micro - USB A cable and DTMD software needed
Additional Useful Technical Info Links:
T4.0 How To Scale Analog Output
Thermalert T4.0 How to Configure Analog Output Mode
Additional Useful Sales Info and Link:
The like for like replacement model ends with a -0 (2 wire sensor)
However, all of these Flame or Flue Gas versions are available with other output types (4-wire, mA, mV, t/c, Profinet, Ethernet/IP)