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CONTENTS
INTRODUCTION ..................................................................................................................................................... 3
KEYBOARD AND MENU DESCRIPTION ............................................................................................................ 8
THE PROBES ..........................................................................................................................................................14
M
EASUREMENT OF RELATIVE HUMIDITY
..................................................................................................................14
Calibration of the combined humidity/temperature probe ...................................................................................14
Humidity and Comfort indices ...........................................................................................................................16
D
IRECT INPUT INTO
Pt100,
Pt1000
AND
Ni1000
T
EMPERATURE PROBES
...................................................................18
How to measure ................................................................................................................................................18
Instructions to connect the TP47 connector for 4 wire Pt100, Pt1000 and Ni1000 probes ....................................18
Direct connection of 4 wire Pt100 sensors .........................................................................................................20
WARNINGS AND OPERATING INSTRUCTIONS ..............................................................................................21
INSTRUMENT SIGNALS AND FAULTS ..............................................................................................................22
LOW BATTERY WARNING AND BATTERY REPLACEMENT .......................................................................24
INSTRUMENT STORAGE .....................................................................................................................................25
SERIAL INTERFACE AND USB ...........................................................................................................................26
STORING AND TRANSFERRING DATA TO A PERSONAL COMPUTER ......................................................28
T
HE
L
OGGING FUNCTION
-
ONLY FOR
HD2101.2 ......................................................................................................28
C
LEARING THE MEMORY
-
ONLY FOR
HD2101.2 ......................................................................................................28
T
HE
FUNCTION
...........................................................................................................................................29
CONNECTION TO A PC ........................................................................................................................................30
C
ONNECTION TO THE
RS232C
SERIAL PORT OF THE INSTRUMENT
.............................................................................30
C
ONNECTION TO THE
USB
2.0
PORT OF THE INSTRUMENT
-
ONLY FOR
HD2101.2 ......................................................30
NOTES ABOUT WORKING AND OPERATING SAFETY .................................................................................31
INSTRUMENT TECHNICAL CHARACTERISTICS ..........................................................................................32
T
ECHNICAL DATA OF PROBES AND MODULES IN LINE WITH THE INSTRUMENT
............................................................34
T
EMPERATURE PROBES
Pt100
SENSOR USING SICRAM MODULE
.................................................................................34
R
ELATIVE HUMIDITY AND TEMPERATURE PROBES USING SICRAM MODULE
................................................................35
P
ROBES
Pt100
4
WIRES AND
Pt1000
2
WIRES
............................................................................................................35
ORDER CODES ......................................................................................................................................................36