Precision Wirewound Temperature Sensors RTDW

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RTDW Series

Precision Wirewound Temperature Sensors

Resistance Tolerances to ±1%

Temperature Coefficients to ±6000 ppm/°C

Flame & Moisture Resistant Protective Encapsulation

All Welded Construction

RTDWA1 RTDWB1	Alloy	TCR ±300ppm/°C (0°C - 100°C, 25°C reference)
Common Temperature Sensing Alloys	Nickel 99.9% Nickel 99.5% Balco Copper Platinum Rediseal Stainless Steel	+6000 +5000 +4500 +3900 +3850 +3500 +1100
Standard Resistance Values	100Ω, 500Ω, 1KΩ (referenced at 25°C, others on request)
Temperature Range	Temperature Range
Recommended Measurement Current	100Ω - 1mA to 7mA \| 500Ω - 0.7mA to 3mA \| 1KΩ - 0.1mA to 1mA
Response Time (approximate) 100°C / 25°C, still air, 50%, 90%	t0.5=40 seconds	t0.9=100 seconds
Stability	100ppm / year
Terminations	100% Matte Tin Plating over Copper
Processing	Meets the soldering requirements of MIL-STD-202, Method 208.
Operating Conditions	RTDW series temperature sensors may not be used in unprotected moist environments or in aggressive atmospheres. User should verify suitablility on a case by case basis.