JS8746 Harsh Environment Temperature Sensor

Thermometrics JS8746 Harsh Environment Temperature Sensor has been designed to address all aspects of temperature measurement for HVAC control systems in the container-ship market, in addition to industrial applications, such as compresors, condensing units, heat pumps, air conditioning. Employing materials and build standards that enhance the sensor’s ability to withstand water ingression and degradation by the marine environment, the sensor meets statutory requirements for temperature measurement and performance expectations.

HACT Exposure: +14 days
Temp Tolerance Rating: ±0.2°C and ±0.15°C
Temp Rating: -40°C to 120°C
Environmental Protection: IP68
Resistant to: Salt solutions, Ozone, UV and a variety of marine environment cleaning detergents
Inert to trace levels of airborne R134a refrigerant
Stainless steel hard shell, with class corrosion resistance A2 or better according to ISO3506
Double-insulated cable, multicore copper conductors and tin-coated, conductors cross-sectional area 0.25 mm² (23 AWG) min, configured as 19mm x 0.14mm
Crimp caps, tin-coated brass, with integral strain relief for the conductor

Resistance at 25°C	10,000 Ω
Thermal Equilibrium Temperature Tolerance	±0.2ºC or ±0.15ºC±0.2ºC or ±0.15ºC (Temperature Range: 0ºC to 70ºC)
B25/85	3977k nominal
Withstand Voltage	2.5kV rms for minimum of 1 minute, where a broadly sinusoidal wave-form at 50 Hz is applied between thestainless steel housing and the conductors of the cable. A failure is recorded if the current exceeds 1mA.
Temperature Range	-40°C to 125°C
Time Constant	20 seconds or less to register 63% of a known temperature transient
Housing	Stainless steel hard shell, with class corrosion resistance A2 or better according to ISO3506
Cable	Double-insulated, multicore copper conductors and tin-coated conductors cross-sectional area 0.25 mm² (23 AWG) min, configured as 19mm x 0.14mm
Crimp Caps	Tin-coated brass with integral strain relief for the conductor

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