Michell Instruments Easidew DryCheck, User Manual, Page: 4 / 43

Easidew DryCheck User’s Manual
iv 97108 Issue 13, July 2017
Contents
Safety ................................................................................................................................vi
Electrical Safety ...........................................................................................................vi
Pressure Safety ............................................................................................................vi
Toxic Materials .............................................................................................................vi
Repair and Maintenance ...............................................................................................vi
Calibration ...................................................................................................................vi
Safety Conformity ........................................................................................................vi
Abbreviations .....................................................................................................................vii
Warnings ...........................................................................................................................vii
1 INTRODUCTION ............................................................................................VIII
1.1 General ............................................................................................................ viii
1.2 Features .......................................................................................................... viii
2 INSTALLATION ..................................................................................................1
2.1 Unpacking the Instrument ................................................................................... 1
2.2 DryCheck System Configuration ........................................................................... 2
2.3 Monitor .............................................................................................................. 2
2.4 Monitor Panel Layout .......................................................................................... 3
2.5 Function Keys ..................................................................................................... 5
2.6 Mounting ........................................................................................................... 5
2.7 Power Supply .................................................................................................... 5
2.8 Signal Output Connections ................................................................................. 6
3 OPERATION ......................................................................................................8
3.1 General Operational Information ......................................................................... 8
3.2 Preparation For Operation ................................................................................... 9
3.2.1 First Time Operation ...................................................................................... 9
3.3 System Alarms ................................................................................................. 10
3.3.1 Alarm Switching Logic (Default) ................................................................... 10
3.3.2 Reversal of Alarm Switching Logic ................................................................ 10
3.3.3 Alarm Level Set-Up ..................................................................................... 12
3.3.4 Re-Transmitted Output Current Range Set-Up ............................................... 13
3.4 Operating Temperature / ppm
V
Range ............................................................... 14
3.4.1 Temperature Range Default ......................................................................... 14
3.4.2 Span and Unit Settings ............................................................................... 15
3.4.3 Alarm Set-Point Limit Configuration .............................................................. 16
3.4.4 Scale Units to ppm
V
Set-Up .......................................................................... 17
3.4.5 Monitor Limits When Unit Scaled to ppm
V
.................................................... 18
3.5 Digital Communication Parameters Set-Up .......................................................... 19
3.6 Monitor – Reading the Displayed Value Using Modbus RTU Over RS232 ................ 21
4 GOOD MEASUREMENT PRACTICE .....................................................................22
5 MAINTENANCE ................................................................................................23
5.1 General Maintenance Guidelines ........................................................................ 23
5.2 Calibration ....................................................................................................... 23
5.3 Transmitter Maintenance ................................................................................... 23
5.4 Inspection/Cleaning .......................................................................................... 24
5.5 Fault Conditions ............................................................................................... 25