Instruction Manual

Series 72 Manual page

7.6. Calibration of Temperature ("TEMPER") 10

7.7. Entering the Pressure Factor ("PRESS") 10

8. Configuration of Series 72 Transmitters

8.1. Password Protecion 11

8.2. Possible Configurations 11

8.3. Important Points concerning Configuration 11

8.4. Entering the Program "CONFIG" 11

8.5. Dimensions of Humidity and Temperature ("DIM") 11

8.6. Submenu "ANALOG" 12

8.6.1. "RANGE" does not affect the Resolution 12

8.6.2. Lower Limit of Humidity Range 12

8.6.3. Upper Limit of Humidity Range 12

8.6.4. Behaviour at Sensor Break 12

8.6.5. Limits of Temperature Range 13

8.7. Submenu "OFFSET" 13

8.7.1. Adjustment of Analog Output Humidity 13

8.7.2. Adjustment of Analog Output Temperature 13

9. RS-232 Data Transmission with Series 72 Transmitters 13

9.1. Modus 1 (Hardware Handshake) 13

9.1.1. Protocol 1 14

9.2. Modus 2 (Software Handshake, controled by Host) 15

9.2.1. Control of stand-alone Transmitter 15

9.2.2. Control of Transmitters on BUS 15

9.2.3. Protocol 2 16

9.3. Error Messages via digital Output 17

10. Error Messages

10.1. Tests when Transmitter is set to Power 17

10.2. Error Messages in normal Measurement Mode 17

11. Practical Instructions and Limits

11.1 Direct Contact with Liquids 19

11.2 Filters 19

11.3 Resistance against Chemical Attack 19

11.4 Protection of Transmitter Electronics 20

11.5 Influence of Temperature on Humidity 20

11.6 Humidity Measurements over Ice 20

11.7 Measurements under Pressure or Vacuum 21