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1. Main parameters and featuresa) Nominal resistance and allowable deviation R25: 1kΩ ~ 2000kΩ (±0.3%,±0.5%, ±1%, ±2%)b) Heat-sensitive index B25/50: 2500K~4800Kc) Thermal time constant τ: ≤ 3s~30s (in the water)d) Dissipation coefficient δ: ≥3mW/°Ce) Ambient temperature: -50°C~+125°C2. Adaptability to temperature environmenta) High temperature working: 120°Cb) Low temperature working: -30°Cc) Hot and humid adaptability: 40°C, 90%~95%(RH)d) Temperature cycle: Ta: -20°C, Tb: 125°C, t1: 10min, t2: 2min, 100 cycles;After the test: R/R ≤±3%, B/B≤±3%;e) Resistance - temperature characteristic: see Attachment R-T data sheet3. Adaptability to mechanical environmenta) Vibration: frequency range is 10Hz~500Hz, amplitude of displacement or accelerationis 0.75mm or 100m/s2 (taking the smaller), 6h in total in the directions ofthree vertical axes; After the test: R/R ≤±0.5%, no dam