Campbell HMP155A-L Temperature and Relative Humidity Probe

Specifications
Electromagnetic Compatibility Complies with EMC standard EN61326-1 Electromagnetic
Filter Description Sintered PTFE
Housing Body Material PC
Housing Classification IP66
Voltage Output 0 to 1 Vdc
Average Current Consumption ? 3 mA (analog output mode)
Operating Voltage 7 to 28 Vdc
Settling Time 2 s (at power up)
Tip Diameter 1.2 cm (0.5 in.)
Length 27.9 cm (11 in.)
Head Height 4 cm (1.6 in.)
Body Height 2.4 cm (0.9 in.)
Body Width 2.0 cm (0.8 in.)
Relative Humidity
Sensor HUMICAP 180R
Measurement Range 0 to 100% RH (non-condensing)
Response Time
The response time for the RH specification is for the HUMICAP 180R at 20°C in still air with sintered PTFE filter and a 0 to 75% RH step change.
20 s (63% step change)
60 s (90% step change)
Factory Calibration Uncertainty
The factory calibration uncertainty is defined as ±2 standard deviation limits. Uncertainty is at +20°C. Small variations are possible; see also the calibration certificate.
±0.6% RH 0 to 40% RH
±1.0% RH 40 to 97% RH
-NOTE- Accuracy specifications include non-linearity, hysteresis, and repeatability.
Accuracy at 15° to 25°C
±1% RH (0 to 90% RH)
±1.7% RH (90 to 100% RH)
Accuracy at -60° to -40°C ±(1.4 + 0.032 × reading) % RH
Accuracy at -40° to -20°C ±(1.2 + 0.012 × reading) % RH
Accuracy at -20° to +40°C ±(1.0 + 0.008 × reading) % RH
Accuracy at 40° to 60°C ± (1.2 + 0.012 × reading) % RH
Air Temperature
Sensor Pt 100 RTD 1/3 class B IEC 751
Measurement Range -80° to +60°C
Accuracy with Voltage Output
±(0.226 - 0.0028 x temperature)°C (-80° to +20°C)
±(0.055 + 0.0057 x temperature)°C (+20° to +60°C)
Entire Temperature Range Refer to graph in probe manual.