Rixen TH-3800 Instruction Manual Download Page 1

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CONTENTS

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TH-3800 specifications-------------------------------1

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Instrument descriptions------------------------------2

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Display descriptions----------------------------------3

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Key descriptions--------------------------------------4

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Instructions-------------------------------------------6

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RS-232 transfer protocol-----------------------------11

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Precautions----------------------------------------

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Summary of Contents for TH-3800

Page 1: ...CONTENTS TH 3800 specifications 1 Instrument descriptions 2 Display descriptions 3 Key descriptions 4 Instructions 6 RS 232 transfer protocol 11 Precautions 13...

Page 2: ...ity 0 0 100 0 RH Dew Point 70 85 94 185 Accuracy at 25 Temperature 0 3 0 5 Relative humidity 2 0 95 RH Resolution 0 1 RH 0 1 0 1 Sampling rate 2 seconds to 2 hours User selectable Main Functions Calcu...

Page 3: ...ecord setting key 10 USB Output port 4 Move key 11 RS 232 Output connector 5 Move key 12 Probe socket 6 Power switch LED backlight 7 Model No and Serial No 2 This instrument is completely waterproof I...

Page 4: ...emperature probe is damaged or not inserted the connector correctly 3 If appears when turn on the instrument please release all keys and tune it on again 3 Display Descriptions Battery Power Manual sh...

Page 5: ...out recording data press to entering the RCD record mode The symbol will flashes when recording Press or to stop recording The symbol will stop flash in the meanwhile The screen will display FULL when...

Page 6: ...he setting mode There are several setting options in the setting mode press to select it Ref Span setting Entering when and appears on the screen press to switch the value and to switch the digit Pres...

Page 7: ...Dew point Humidity measured value Area A Dew point measured value Area C Time and Date Hour Minute Area A Month Area B Day Area C When return to testing mode from hold mode or setting mode it takes fe...

Page 8: ...x Min and Avg of the record Under HOLD mode the display contents describe as below Display Humidity and Temp Display contents area A and area C HOLD value Humidity and Temp value HOLD MAX value The Ma...

Page 9: ...ayed record value Press return to the HOLD mode Press and hold can switch to the RCD clear mode Press to switch the displayed record value Press and hold it can be switch quickly Press and hold and pr...

Page 10: ...ing the selected mode Press again to exit Under the Setting mode the display contents describe as below 9 Display content Description Entering REF and SPAN Setting Mode Entering Date and Time Setting...

Page 11: ...00 00 to 0 00 2 Date Time setting mode This mode are using for setting the date and time Press to select its cycled figures Press and hold can speed up the cycle The seconds cannot be set and the year...

Page 12: ...Registers Modbus RTU CRC16 check A Request Data Frame Ex Read the data from address 00h Read 1 Word of data from address 0000H Slave address Function Starting address Hi Starting address Lo No of Wor...

Page 13: ...Lo 05 Judgment Value 0 represent Value 1 represent 2 Data 4 Lo 04 No value 3 Data 4 Lo 03 Temperature Error judgment Value 1 represent Temperature values abnormal 4 Data 4 Lo 02 Humidity Error judgme...

Page 14: ...When the instrument shows power shortage warning please immediately replace the batteries to avoid incorrect readings 5 When the instrument is not in use for a long time please put the instrument and...

Page 15: ...MEMO...

Page 16: ...MEMO...