Hach Ultra MET ONE 227, User Manual

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Table of Contents
Section 1 Specifications
.................................................................................................................... 5
Section 2 General Information
......................................................................................................... 7
2.1 Safety information ........................................................................................................................ 7
2.1.1 Use of hazard information................................................................................................... 7
2.1.2 Precautionary labels ........................................................................................................... 7
2.1.3 Laser safety information...................................................................................................... 8
2.1.4 Battery safety information ................................................................................................... 8
2.1.5 Electrostatic discharge (ESD) considerations..................................................................... 8
2.2 General product information ........................................................................................................ 9
2.3 Theory of operation...................................................................................................................... 9
Section 3 Installation
........................................................................................................................ 11
3.1 Unpack the instrument ............................................................................................................... 11
3.2 Installation guidelines for the MET ONE 227 particle counter ................................................... 11
3.3 Mechanical installation............................................................................................................... 12
3.3.1 Install the isokinetic probe................................................................................................. 12
3.3.2 Install the purge filter......................................................................................................... 12
3.3.3 Install the charging stand .................................................................................................. 13
3.3.4 Connect the AC adapter ................................................................................................... 13
3.3.5 Install the RH/T probe ....................................................................................................... 13
3.4 Connections and adjustments.................................................................................................... 13
Section 4 Operation
.......................................................................................................................... 15
4.1 Power up.................................................................................................................................... 15
4.2 Factory default settings.............................................................................................................. 15
4.3 Manual mode ............................................................................................................................. 15
4.4 Automatic mode ......................................................................................................................... 16
4.4.1 Unlock the program mode................................................................................................. 19
4.4.2 Set display (DSP) functions .............................................................................................. 19
4.4.3 Set serial input/output (SIO) functions .............................................................................. 21
4.4.4 Set clock (CLK) functions.................................................................................................. 21
4.5 Average mode............................................................................................................................ 23
4.6 Concentration mode................................................................................................................... 24
4.7 Beep mode................................................................................................................................. 26
4.8 Program the temperature probe................................................................................................. 28
Section 5 Maintenance
.................................................................................................................... 29
5.1 Maintenance guidelines ............................................................................................................. 29
5.2 Clean the sensor........................................................................................................................ 29
Section 6 Troubleshooting
............................................................................................................. 31
6.1 Common problems..................................................................................................................... 31
6.2 Reset the counter....................................................................................................................... 31
6.3 Troubleshoot the pump .............................................................................................................. 32
6.3.1 Disassemble and clean the pump..................................................................................... 32
6.3.2 Optimize the pump............................................................................................................ 35
Section 7 Replacement Parts and Accessories
......................................................................... 37
7.1 Accessories................................................................................................................................ 37
7.2 Optional accessories.................................................................................................................. 37
Section 8 Service Contact Information
........................................................................................ 39
Section 9 Limited Warranty
............................................................................................................ 40
Section 10 Certification
................................................................................................................... 41