ZTP-135H Thermopile IR Sensor This thermopile sensor is used for non-contact Features surface temperature measuring. The ZTP-135H model consists of thermo-elements, flat IR filter, Non-contact measurement a thermistor for temperature compensation and a hermetically-sealed small-size package. There Wider surface area measurement is also a variety of filters available to maximize performance in specific applications Small-size sensor package Included ambient temperature - Applications (thermistor) sensor for compensation Patient monitoring High sensitivity Ear & Tympanic thermometers Fast response time Occupancy detection Low cost HVAC Appliance Amphenol Advanced SensorsSpecifications Thermopile Chip Thermistor Resistance (R-T Table) Parameter Limits Units Condition T ambient ( C) Rmin (kW) Rcent (kW) Rmax (kW) Min Typ Max -20 909.1 947.9 987.3 -15 687.7 715.9 744.7 2 Chip Size 1.8 x 1.8 mm -10 524.5 545.4 566.5 2 Diaphragm Size 1.4 x 1.4 mm -5 403.3 418.8 434.5 2 Active Area 0.7 x 0.7 mm 0 312.6 324.1 335.8 Internal 42 60 78 kW 25C 5 244.0 252.7 261.5 Resistance 10 191.8 198.5 205.1 Resistance T.C 0.12 %/C 15 151.9 156.9 162.0 Responsivity 42 58 78 V/W 500K, 1 Hz 20 121.0 124.9 128.8 Responsivity T.C -0.10 %/C 25 97.00 100.0 103.0 Noise Voltage 32 nV rms R.M.S., 25C 1/2 30 78.05 80.55 83.06 NEP 0.55 nW/Hz 500K, 1 Hz 35 63.16 65.25 67.36 1/2 Detectivity 1.27 E08 cmHz /W 500K, 1 Hz 40 51.39 53.15 54.91 Time Constant 25 ms 45 42.03 43.51 45.00 50 34.54 35.79 37.05 Thermistor for Temperature Compensation 55 28.52 29.58 30.65 60 23.65 24.55 25.47 Parameter Limits Units Condition 65 19.70 20.47 21.25 Min Typ Max 70 16.48 17.14 17.81 Resistance 97 100 103 kW Tol. :3%, 25C 75 13.83 14.40 14.98 Beta - Value 3920 3960 4000 K Tol. :1%, Defined 80 11.66 12.15 12.65 at 25C/50C 85 9.867 10.29 10.72 90 8.380 8.745 9.118 Absolute Maximum Ratings 95 7.143 7.460 7.785 100 6.111 6.388 6.670 Operating Temperature -20C ~ 100C Storage Temperature -40C ~ 120C