Product Overview
The JS8746 Harsh Environment Temperature Sensor is engineered for critical temperature monitoring in demanding transportation applications, including land, sea, and air. Designed to ensure the integrity of goods by maintaining strict temperature controls, this sensor is particularly vital for sensitive cargo like medical products where regulatory compliance and product quality are paramount. Its robust construction and advanced materials provide superior resistance to corrosive marine environments, including salt solutions, ozone, and UV exposure, as well as common cleaning detergents. The sensor meets statutory requirements for temperature measurement and performance expectations, offering reliable data even under extreme conditions. Its design addresses the specific challenges of HVAC control systems within the container-ship market, ensuring product safety and preventing costly losses due to temperature fluctuations.
Product Attributes
- Brand: Amphenol Advanced Sensors
- Environmental Protection: IP68
- Resistance to: Salt solutions, Ozone, UV, marine environment cleaning detergents
- Refrigerant Inertness: Inert to trace levels of airborne R134a refrigerant
- Housing Material: Stainless steel hard shell, class corrosion resistance A2 or better (ISO3506)
- Cable Type: Double insulated, multicore copper conductors, tin-coated
- Crimp Caps: Tin-coated brass with integral strain relief
Technical Specifications
| Part Number | L / mm | K / mm | Tolerance 0-70C / C | Resistance at 25C (nominal) | B25/85 (nominal) | Temperature Range (C) | Time Constant (seconds) | Withstand Voltage (kV rms) | |
|---|---|---|---|---|---|---|---|---|---|
| JS8746A-0.20 | 1000 | 50 | 0.20 | 10,000 | 3977K | -40 to 125 | 20 or less | 2.5 | |
| JS8746B-0.20 | 2000 | 50 | 0.20 | ||||||
| JS8746C-0.20 | 3000 | 50 | 0.20 | ||||||
| JS8746A-0.15 | 1000 | 50 | 0.15 | ||||||
| JS8746B-0.15 | 2000 | 50 | 0.15 | ||||||
| JS8746C-0.15 | 3000 | 50 | 0.15 | ||||||
| Conductor Cross-sectional Area | 0.25 mm (23 AWG) min, configured as 19 strands x 0.14mm | ||||||||
| HACT Exposure | +14 days | ||||||||
| Temperature Tolerance Rating | 0.2C and 0.15C (0-70C) | ||||||||
| Thermal Equilibrium Temperature Tolerance | 0.2C or 0.15C (0C to 70C) | ||||||||
| Failure Current Threshold | 1mA | ||||||||
| Test Waveform | Broadly sinusoidal, 50 Hz | ||||||||
Thermal Equilibrium Resistance Versus Temperature Properties (0.2C Tolerance 0-70C)
| Temp C | R nom / | R min / | R max / | R Tol - % | R Tol + % | Temp Tol + C | Temp Tol - C |
|---|---|---|---|---|---|---|---|
| -40 | 333560 | 328250 | 338930 | -1.59 | 1.61 | 0.24 | -0.24 |
| -35 | 241070 | 237420 | 244750 | -1.51 | 1.53 | 0.24 | -0.24 |
| -30 | 176080 | 173550 | 178630 | -1.44 | 1.45 | 0.23 | -0.23 |
| -25 | 129930 | 128160 | 131700 | -1.36 | 1.37 | 0.23 | -0.23 |
| -20 | 96807 | 95560 | 98061 | -1.29 | 1.30 | 0.22 | -0.22 |
| -15 | 72809 | 71922 | 73699 | -1.22 | 1.22 | 0.22 | -0.22 |
| -10 | 55253 | 54617 | 55890 | -1.15 | 1.15 | 0.21 | -0.21 |
| -5 | 42292 | 41834 | 42751 | -1.08 | 1.09 | 0.21 | -0.21 |
| 0 | 32639 | 32382 | 32897 | -0.79 | 0.79 | 0.15 | -0.15 |
| 5 | 25391 | 25139 | 25642 | -0.99 | 0.99 | 0.20 | -0.20 |
| 10 | 19902 | 19711 | 20093 | -0.96 | 0.96 | 0.20 | -0.20 |
| 15 | 15713 | 15567 | 15860 | -0.93 | 0.93 | 0.20 | -0.20 |
| 20 | 12493 | 12380 | 12606 | -0.90 | 0.90 | 0.20 | -0.20 |
| 25 | 10000 | 9912.2 | 10088 | -0.88 | 0.88 | 0.20 | -0.20 |
| 30 | 8055.9 | 7987.3 | 8124.6 | -0.85 | 0.85 | 0.20 | -0.20 |
| 35 | 6530.0 | 6475.9 | 6584.1 | -0.83 | 0.83 | 0.20 | -0.20 |
| 40 | 5324.6 | 5281.8 | 5367.5 | -0.80 | 0.80 | 0.20 | -0.20 |
| 45 | 4366.5 | 4332.4 | 4400.7 | -0.78 | 0.78 | 0.20 | -0.20 |
| 50 | 3600.5 | 3573.1 | 3627.9 | -0.76 | 0.76 | 0.20 | -0.20 |
| 55 | 2984.6 | 2962.5 | 3006.7 | -0.74 | 0.74 | 0.20 | -0.20 |
| 60 | 2486.6 | 2468.7 | 2504.5 | -0.72 | 0.72 | 0.20 | -0.20 |
| 65 | 2081.8 | 2067.2 | 2096.4 | -0.70 | 0.70 | 0.20 | -0.20 |
| 70 | 1751.1 | 1739.1 | 1763.0 | -0.68 | 0.68 | 0.20 | -0.20 |
| 75 | 1479.6 | 1468.8 | 1490.3 | -0.72 | 0.73 | 0.22 | -0.22 |
| 80 | 1255.6 | 1246.0 | 1265.2 | -0.77 | 0.77 | 0.24 | -0.24 |
| 85 | 1070.0 | 1061.4 | 1078.6 | -0.81 | 0.81 | 0.25 | -0.26 |
| 90 | 915.55 | 907.82 | 923.29 | -0.84 | 0.85 | 0.27 | -0.27 |
| 95 | 786.43 | 779.50 | 793.39 | -0.88 | 0.88 | 0.29 | -0.29 |
| 100 | 678.07 | 671.84 | 684.32 | -0.92 | 0.92 | 0.31 | -0.31 |
| 105 | 586.75 | 581.16 | 592.38 | -0.95 | 0.96 | 0.33 | -0.34 |
| 110 | 509.52 | 504.48 | 514.58 | -0.99 | 0.99 | 0.35 | -0.36 |
| 115 | 443.94 | 439.40 | 448.51 | -1.02 | 1.03 | 0.38 | -0.38 |
| 120 | 388.06 | 383.97 | 392.19 | -1.06 | 1.06 | 0.40 | -0.40 |
| 125 | 340.29 | 336.59 | 344.02 | -1.09 | 1.10 | 0.42 | -0.42 |
2411220423_Amphenol-JS8746C-0-15_C17355581.pdf
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