5900/5901/5903/5943/5904/ 5905/5906/5907/5908/5909
Drift rates as low as 0.0005 K
Proprietary gas mixture ensures high stability
Most experienced SPRT design team in the business
Specifications
5681
5683
5684
5685
Temperature Range
–200°C to 661°C
–200°C to 480°C
0°C to 1070°C†
Nominal RTPW
25.5W
0.25W
2.5W
Current
1 mA
14.14 mA
5 mA
Resistance Ratio
W(302.9146 K) ³ 1.11807 and W(234.3156 K) £ 0.844235
W(302.9146 K) ³ 1.11807 and W(1234.93 K) ³ 4.2844
Sensitivity
0.1W/°C
0.001W/°C
0.01W/°C
Drift Rate
< 0.002°C/100 hours at 661°C (typically < 0.001°C)
< 0.001°C/100 hours at 480°C (0.0005°C typical)
< 0.003°C/100 hours at 1070°C (typically < 0.001°C)
Sensor Support
Quartz glass cross
Quartz glass strip with notches
Diameter of Sensor Pt Wire
0.003" (0.07 mm)
0.016" (0.4 mm)
0.008" (0.2 mm)
Protective Sheath
Quartz glass, Diameter: 0.28" (7 mm), Length: 20.5" (520 mm)
Quartz glass, Diameter: 0.28" (7 mm), Length: 26.8" (680 mm)