Delta OHM HD21AB, Manual

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TABLE OF CONTENTS
1. GENERAL CHARACTERISTICS............................................................................................................................ 7
2. THE USER INTERFACE........................................................................................................................................... 8
2.1 T
HE
HD21AB D
ISPLAY
................................................................................................................................................ 8
2.2 T
HE
HD21AB17 D
ISPLAY
............................................................................................................................................ 9
2.3 T
HE
K
EYBOARD
.......................................................................................................................................................... 10
3. OPERATION ............................................................................................................................................................. 12
3.1.1 “ ► /UNIT” key for the unit of measurement................................................................................................. 13
3.1.2 The maximum, minimum and average values of the captured quantities...................................................... 13
3.1.3 Instrument Setup............................................................................................................................................ 13
3.1.4 Start of a new logging session....................................................................................................................... 13
4. MAIN MENU............................................................................................................................................................. 14
4.1 I
NFO
M
ENU
................................................................................................................................................................. 14
4.2 L
OGGING
M
ENU
.......................................................................................................................................................... 16
4.2.1 Log Interval................................................................................................................................................... 16
4.2.2 AutoPowerOff– AutoPowerOff Mode............................................................................................................ 17
4.2.3 Start/Stop Log – Automatic Start................................................................................................................... 18
4.2.4 Cancel Auto-Start.......................................................................................................................................... 20
4.2.5 Log File Manager ......................................................................................................................................... 21
4.3 S
ERIAL
M
ENU
(S
ERIAL
C
OMMUNICATION
) ................................................................................................................. 23
4.3.1 Print Interval................................................................................................................................................. 24
4.4 S
ETTINGS
.................................................................................................................................................................... 24
4.4.1 Contrast......................................................................................................................................................... 25
4.4.2 Backlight ....................................................................................................................................................... 25
4.5 S
ENSORS CALIBRATION
............................................................................................................................................... 26
4.5.1 CO
2
Calibration ............................................................................................................................................ 26
4.5.2 CO Calibration............................................................................................................................................. 28
4.5.3 RH calibration (HD21AB17 only)................................................................................................................. 32
4.6 L
ANGUAGE
................................................................................................................................................................. 34
5. USB INTERFACE..................................................................................................................................................... 35
5.1 S
TORING AND
T
RANSFERRING
D
ATA TO A
PC ............................................................................................................ 37
5.1.1 Logging Function .......................................................................................................................................... 37
5.1.2 Clearing the memory..................................................................................................................................... 37
5.1.3 Print function ................................................................................................................................................ 37
6. CONNECTION TO A PC......................................................................................................................................... 38
6.1 C
ONNECTION TO THE
USB 2.0
PORT
........................................................................................................................... 38
6.2 R
EMOVING THE
USB D
RIVERS
................................................................................................................................... 42
7. INSTRUMENT SIGNALS AND FAULTS.............................................................................................................. 43
8. BATTERY SYMBOL – MAINS POWER SUPPLY .............................................................................................. 44
8.1 B
ATTERIES
R
ECHARGING
............................................................................................................................................ 44
8.2 N
OTES FOR THE BATTERIES USE
.................................................................................................................................. 45
8.3 R
EPLACEMENT OF THE BATTERY PACK
....................................................................................................................... 45
8.4 B
ATTERIES DISPOSAL
.................................................................................................................................................. 45
9. INSTRUMENT STORAGE...................................................................................................................................... 46
10. TECHNICAL CHARACTERISTICS ................................................................................................................... 47
10.1 T
ECHNICAL DATA OF THE SENSORS
........................................................................................................................... 48
11. ORDERING CODES............................................................................................................................................... 49
11.1 A
CCESSORIES
............................................................................................................................................................ 49
11.1.1 Accessories for CO and CO
2
sensors .......................................................................................................... 49
11.1.2 Accessories for humidity sensor .................................................................................................................. 49