Atec Vaisala-HM70 - Manual (Page 2)

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Technical Data
HMP75, HMP76 and HMP77 Probes
Measured Variables
Relative humidity
Measurement range 0 ... 100 %RH
Accuracy (including nonlinearity, hysteresis and repeatability)
at +15 ... +25 °C (+59 ... +77 °F) ±1 %RH (0 ... 90 %RH)
±1.7 %RH (90 ... 100 %RH)
at -20 ... +40 °C (-4 ... +104 °F) ±(1.0 + 0.008 x reading) %RH
at -40 ... +180 °C (-40 ... +356 °F) ±(1.5 + 0.015 x reading) %RH
Factory calibration ±0.6 %RH (0 ... 40 %RH)
uncertainty (+20 °C / +68 °F) ±1.0 %RH (40 ... 97 %RH)
(Defined as ±2 standard deviation limits.)
Response time (90%) at +20 °C (+68 °F) in still air
HMP75 (with standard plastic grid) 17 s
HMP76 (with standard sintered bronze filter) 60 s
HMP77 (with standard plastic grid and stainless
steel netting) 50 s
Sensor HUMICAP ® 180R
HUMICAP ® 180RC (chemical purge, sensor preheat)
Typical long-term stability better than 1 %RH / year
tempeRatuRe
Measurement range
HMP75 -20 ... +60 °C (-4 ... +140 °F)
HMP76 -50 ... +120 °C (-58 ... +248 F)
short time -50 ... +180 °C (-58 ... +356 °F)
HMP77 -70 ... +180 °C (-94 ... +356 °F)
Accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)
Accuracy over temperature range (see graph)
Probe General
Operating temperature range for electronics -40 ... +60 °C
(-40 ... +140 °F)
Housing classification IP65 (NEMA 4)
Housing material ABS/PC blend
Probe material Stainless steel (AISI316L)
Cable length between probe and indicator 1.9 m
Temperature sensor Pt100 RTD Class F0.1 IEC 60751
MI70 Measurement Indicator
Indicator General
Menu languages English, Chinese, French, Spanish, German,
Russian, Japanese, Swedish, Finnish
Display LCD with backlight, graphic trend display of
any parameter, character height up to 16 mm
Max. no. of probes 2
Power supply Rechargeable NiMH battery pack with AC-
adapter or 4xAA-size alkalines, type IEC LR6 0
Analog output 0... 1 VDC
Output resolution 0.6 mV
PC interface MI70 Link software with USB or
serial port cable
Data logging capacity 2700 points
Alarm audible alarm function
Operating temperature range -10 ... +40 °C (+14 ... +104 °F)
Operating humidity range non-condensing
Housing classification IP54
Battery operation time
Continuous use 48 h typical at +20 °C (+68 F)
Data logging use up to a month, depending on logging
interval
Electromagnetic
compatibility Complies with EMC standard
EN61326-1, Portable Equipment
MI70 Indicator + Probe = HM70
accessoRies
Carrying cases
for MI70 and HMP75/77 probe MI70CASE
for MI70 and HMP75/76 probe MI70CASE2
Transmitter connection cables for
HMT330 & HMT120/130 211339
HMT310 DRW216050
HMW90 Series 219980
HMD/W60/70 Series HMA6070
MI70 Link software with USB cable 219687
MI70 Link software with serial port cable MI70LINK
Analog output cable 27168ZZ
Sensor protection HMP75
Plastic PC grid (HMP75 standard) 6221
Membrane filter 10159HM
Sintered bronze filter DRW212987SP
HMP76/77
Plastic PPS grid DRW010276SP
Sintered stainless steel filter HM47280SP
Sintered bronze filter (HMP76 standard) DRW212987SP
PPS grid with SS netting (HMP77 standard) DRW010281SP
Ref. B210435eN-d ©vaisala 2012
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