AM1730 Secondary Reference Platinum Resistance Thermometer
User’s Guide
4/10
2 Specifications
2.1 Specifications
Temperature Range
1730-12: -200°C to 420°C
1730-9: -60°C to 300°C
Resistance at 0 °C
Nominal 100 Ω
Temperature Coefficient
0.003925 Ω/ Ω/°C
Accuracy
±0.025°C at -196 °C
±0.015°C at 0.01 °C
±0.035°C at 420 °C
Drift
±0.01°C at 0 °C after 500 hours at 420 °C
Short Term Stability
±0.007°C
Thermal Shock
±0.005°C after 10 times thermal cycles from minimum to
maximum temperatures
Hysteresis
<=0.005°C
Self-heating
50 mW/°C
Response Time
9 seconds for 63% response to step change in water moving
at 3 feet per second
Measurement Current
0.5 mA or 1 mA
Sensor Length
32 mm
Sensor Location
5 mm from tip
Insulation Resistance
>1000 MΩ at room temperature
Sheath Material
Inconel
tm
Dimension
1730-12: 0.25 inch X 12 inch (6.35 mm X 305 mm)
1730-9: 0.187 inch X 9 inch (4.75 mm X 229 mm)
External Leads
Teflon
tm
–insulated copper wire, 4 leads, 2.5 meters
Handle Dimension
1730-12: 15mm (OD) x 65mm (L)
1730-9: 10mm (OD) X 50 mm (L)
Handle Temperature Range
-50°C to 180°C
Calibration Options
1730-12-T, PRT with NIST traceable calibration and data
1730-9-T, PRT with NIST traceable calibration and data
NVLAP - Accredited Calibrations available per request
