- 2 -
1 . OVERVIEW OF THE RECORDER
n
AR236
- measure and record the humidity and temperature of air or other neutral gases
AR232
- measure and record the temperature of air or other neutral gases
n
record data in a text file in internal memory of the recorder or on SD/MMC card in the FAT file system
with a possibility to read via USB
n
high quality digital sensor of:
- relative humidity and temperature (AR236)
- temperature (AR232)
n
mobile casing with an option to install on wall
n
battery-powered with the possibility to replace battery by the user
n
LCD display for viewing output data or messages and errors
n
long operation time on a new battery (up to 5 years, depending on the measurement period, whether
SD/MMC card was used and operation mode of the LCD display)
n
possibility to store archived data and configuration data on an SD/MMC card
n
protection against unauthorized copying and changing of data
n
battery-supported internal real time clock
n
included software to adjust the device parameters and produce graphical or textual representation of
recorded data
n
temperature compensation of humidity measurement (AR236)
n
high measurement stability over long periods of time
n
ways to adjust parameters:
- via USB interface and a computer program (Windows 2000/XP/Vista/7)
- using a configuration file stored on an SD/MMC card
n
checksum to detect unauthorized changes in the archive
n
uniquely identifying multiple recorders of the same type by assigning unique identifier (ID) to each of
them
n
low and high value alerts, in-band and out-of-band alert, LED indicators
n
programmable measurement period, start and end point of recording and other configuration parameters:
measured signal zero adjustment, “COPY” button lock, authorization request for SD/MMC card,
disable writing data to SD/MMC card, operation mode of LCD display, alerts, identification
number (ID)
n
option to prevent unauthorized modification of recorder parameters from SD/MMC card and moving
archived data from internal storage to an SD/MMC card (card authorization or free access required)
n
protection against improper placement of batteries
n
high accuracy level and resistance to interferences
n
possibility to update recorder's firmware
n
available accessories:
- lithium battery 3.6V, type AA (R6), 2450mAh (SAFT LS14500)
- SD memory card (1GB)
- SD/MMC card reader
- USB cable (A4 – miniA4)
- stabilized AC adapter 5V/150mA
NOTE
:
- read this user manual and follow the procedures described in sections 5, 6 and 7 before using this
recorder.
-
data is recorded only within defined period of time (parameters Start and Stop, Table 1, section 7)
2. CONTENTS OF THE SET
After unpacking the recorder, verify that you have the following items:
- recorder with a lithium battery 3.6V, type AA
- 2-meter long USB cable (A4 – miniA4) to connect to a computer
- CD with drivers and software
- user manual
- warranty
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