详情
DX 310/311 is a digital combined temperature and relative humidity probe for the PRO D01 / PRO D05 handheld meters.
The probe supplies the following calculated quantities:
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Dew point
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Wet bulb temperature
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Absolute and specific humidity
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Mixing ratio
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Specific enthalpy
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Partial vapor pressure
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Frost point temperature
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Saturation vapor pressure above water and above ice
The probe is supplied factory-calibrated in multiple points for relative humidity, and it is ready to use.
The probe can be optionally supplied with a DAkkS/ACCREDIA calibration certificate.
The calibration data are stored in the probe, allowing for interchangeability without the need for recalibration.
Equipped with 4-pin M12 connector and 2, 5 or 10 m cable (only DX311).
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Output:
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UART (TTL 3.3V): DX-Sensor-Interface
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Power supply:
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3.3…6 Vdc
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Power consumption:
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<1 mA typ.
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Connection:
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4-pole M12 via cable
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Dimensions:
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Stem: Ø14 x 132 mm Handle length 98 mm Cable length: 2, 5 or 10 m
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Weight:
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100 g approx. with 2 m cable
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Sensor:
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RH: Capacitive
Temperature: Pt100
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Measuring range:
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RH: 0 ... 100 %
Temperature: -50 ... +160 °C
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Resolution:
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RH: 0.01 %
Temperature: 0.01 °C
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Accuracy:
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RH: ± 1.2% (0…85%) / ±2% (85…100%) @ T=0…50 °C (1.5 + 1.5% of the measured value)% @ T=remaining range
Temperature: ± 0.1 °C ± 0.1% of the measured value
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Operating conditions:
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-50…+160 °C / 0…100 %RH
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Materials:
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Stem and protector cap: PBT Handle: Polyamide (PA6-GF30) Cable: PVC
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Long-term drift:
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RH: ± 0.5 %RH/year
Temperature: ± 0.03 °C/year
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RH response time:
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10 s (10 → 80 %RH; air speed=2 m/s @ constant temperature)
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Calculated quantities:
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Dew point Wet bulb temperature Absolute humidity Specific humidity Mixing ratio Specific enthalpy Partial vapor pressure Frost point temperature Saturation vapor pressure above water Saturation vapor pressure above ice
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