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in-hypalm-v40 / 20051205
Specifications
Operation 9 V alkaline battery
12...15V AC adapter (100 mA) C(+) Tip
9 V rechargeable battery 110 mAh
Max. current consumption 30 mA
Operating limits at electronics 0…99 %RH (non condensing)
-10...50°C (14...122°F)
Measured parameters
1)
relative humidity indication range 0.0…100.0 %RH
temperature
indication range
-99.9…999.9 °C or °F
barometric pressure
2)
indication range
0.000…9999 hPa / PSI / In Hg
Calculated parameters
1) 3)
dew / frost point
4)
indication range -99.9…999.9 °C / °F
wet bulb temperature
5)
indication range 0.0…100.0 °C / 32.0…212.0 °F
enthalpy
5)
indication range -99.9…9999 J/g or BTU/lb
vapor concentration indication range 0.000…9999 g/m3 or gr/cuft
specific Humidity
5)
indication range 0.000…9999 g/kg or gr/lb
mixing ratio
5)
indication range 0.000…9999 g/kg or gr/lb
vapor concentration at sat indication range 0.000…9999 g/m3 or gr/cuft
part. pressure of water vapor indication range 0.000…9999 hPa / PSI / In Hg
sat. pressure of water vapor indication range 0.000…9999 hPa / PSI / In Hg
System accuracy at 23°C/73°F ± (0.5%RH + 1.5% of reading)
with HygroClip probe & 4-point calibration ± 0.2°C / 0.4°F
Number of probe inputs HygroPalm 1 1
HygroPalm 2 and 3 2
Probe type
6)
All models ROTRONIC HygroClip digital probe
HygroPalm 3 only ROTRONIC analog probe
7)
Third-party analog probe
7)
Display Alphanumerical LC display
Serial output (except HygroPalm1) RS 232
8)
Battery status Automatic Indication
HOLD function Briefly push the ON/OFF Button
Housing material ABS
Housing dimensions 230 x 80 x 30 mm (9.05 x 3.15 x 1.18”)
Weight (w/o probe) 200 g (0.44 lb)
1) Specify engineering units when ordering (can be changed directly from the keypad or with the optional HW3 or
HW4 software). See separate probe specifications regarding the different range limits
2) Not available with HygroPalm 1 and HygroPalm 2
3) Not available with HygroPalm 1. The accuracy of the computed parameter is limited by the accuracy of the
measured parameters on which it is based
4) The standard factory setting is frost point for values below freezing. This setting can be changed to dew point with
the optional HW3 or HW4 software
5) A fixed value is used for the computations of this parameter. The fixed pressure value can be changed either
directly from the keypad (except HygroPalm 1) or with the optional HW3 or HW4 software. The HygroPalm 3 can
also be programmed to accept the input from a pressure probe (variable pressure value)
6) Accuracy, repeatability and operating limits are specified separately for each model of probe
7) ROTRONIC analog probes: because the HygroPalm cannot read a negative input voltage, temperature
measurement with probes having a standard output is generally limited to values above freezing. Third-party
probe (pressure or other): linearized voltage output signal within the range of 0..2.5 VDC, supply voltage 7.6…9
VDC (non regulated, direct from HygroPalm battery), 10 mA
8) Compatibility with the ROTRONIC HW3 software requires a baud rate of 19200.
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