HygroPalm23-AW

Portable Handheld Water Activity Meter

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In many situations it can be very useful to measure water activity in production or storage rooms, e.g. inspection of bulk materials to ensure they meet specifications. The HygroPalm 23-AW-A is ideal for measuring water activity in production processes such as random checks of cheese, meat, tobacco, building materials, animal feeds, bakery products, paper, medicines, horticulture, agriculture, etc.

Features

  • Handheld instrument measures relative humidity and temperature and calculates water activity
  • AW Quick function for fast measurement results (typically 4-5 minutes)
  • Audible alarm to indicate end of measurement
  • Saves up to 10,000 data records with %RH, °C, date and time
  • Battery charging function
 
Specifications
Weight 200g
Range of application -10…60 °C (14…140 °F) / 0…1 Aw / 0…100 %RH
Power supply / Power consumption 9 V battery or 9V power supply via mini USB, consumption <10 mA
Power supply 9V battery or USB/ mains adapter via mini USB
Current consumption Max. 20 mA (backlight ON)
Calculations All psychrometric calculations available
Number of probe inputs 1
Probe connections 2 HygroClip2 or analog input 0…3.2 VDC (power supply for analog probe: 5 VDC)
Start-up time 3s
Measurement interval 1s, 10s, 1 min, 10 min
Parameters shown Aw, %RH, °C, °F
LCD 3-line alphanumeric with trend indicators
Audible Alarm No
Battery indicator Yes
Clock Real time clock provides a time stamp for every measurement
Memory size Capture mode: 8 x 250 values / Logging mode: 10,000 values
HW4 compatible Yes, for all HW4 versions
Probe adjustment Single or multiple point for relative humidity & temperature.
One or two point temperature
Aw-quick mode Yes
Aw Quick function Integrated and via HW4 software HW4-P-QUICK-Vx (in shipment included)
Firmware update With internet and HW4 software
Communication interfaces Mini USB
Enclosure material ABS
IP protection rating IP30
FDA / GAMP FDA 21 CFR part 11 / GAMP5
CE / EMC conform EMC 2008/108/EG
Weight 300g

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