HMP60-L Temperature and Relative Humidity Probe
Accurate, Rugged
Ideal for long-term, unattended applications
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Overview

The HMP60, manufactured by Vaisala, probe measures temperature for the range of -40° to 60°C, and relative humidity for the range of 0 to 100% RH. It is suitable for long-term, unattended monitoring, and is compatible with all Campbell Scientific dataloggers.

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Benefits and Features

  • Field-replaceable humidity chip eliminates recalibration downtime
  • Compatible with most Campbell Scientific dataloggers
  • Can be mounted to a tower/tripod mast or crossarm

Images

HMP60
HMP60
HMP60
HMP60 with RAD06 mounted to a pole (items sold separately)

Detailed Description

The HMP60 uses the INTERCAP capacitive RH chip. This chip is field-replaceable, which eliminates the downtime typically required for the recalibration process.

Specifications

Supply Voltage 5 to 28 Vdc (typically powered by datalogger’s 12 V supply)
Current Consumption
  • 1 mA (typical)
  • 5 mA (maximum)
Filter Description 0.2 µm Teflon membrane
Settling Time 1 s
Housing Classification IP65
Housing Material AISI 316 stainless steel
Filter Cap Material Chrome-coated ABS plastic
Field-Replaceable Chip or Recalibrate Field-replaceable chip (RH only)
Sensor Diameter 1.2 cm (0.5 in.)
Filter Diameter 1.2 cm (0.5 in.)
Length 7.1 cm (2.8 in.)
Weight 0.05 kg (0.1 lb) with 1.83 m (6 ft) cable

Relative Humidity

Sensing Element Vaisala’s INTERCAP capacitive chip
Measurement Range 0 to 100% RH (non-condensing)
Typical Accuracy at -40° to 0°C
  • ±5% (0 to 90% RH)
  • ±7% (90 to 100% RH)
Typical Accuracy at 0° to 40°C
  • ±3% (0 to 90% RH)
  • ±5% (90 to 100% RH)
Typical Accuracy at 40° to 60°C
  • ±5% (0 to 90% RH)
  • ±7% (90 to 100% RH)
Output Signal Range 0 to 1 Vdc

Air Temperature

Sensing Element 1000 ohm Platinum Resistance Thermometer (PRT)
Measurement Range -40° to +60°C
Accuracy ±0.6°C
Output Signal Range 0 to 1 Vdc

Compatibility

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.

Dataloggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000X
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR300
CR3000 (retired)
CR310
CR350
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR6
CR800
CR850
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Mounting

When exposed to sunlight, the HMP60 must be housed in a 41303-5A, 41303-5B, or RAD06 6-plate naturally aspirated radiation shield. The 41303-5A and RAD06 attaches to a crossarm, mast, or user-supplied pipe with a 2.5 to 5.3 cm (1.0 to 2.1 in.) outer diameter. The 41303-5B attaches to a CM500-series pole or a user-supplied pole with a 5.1 cm (2.4 in.) outer diameter.

The RAD06 uses a double-louvered design that offers improved sensor protection from driving rain, snow, and insect intrusion, It also has lower self-heating in bright sunlight combined with higher temperatures (> 24°C [~75°F]) and low wind speeds (< 2 m s-1 [~4.5 mph]), giving a better measurement.