Grimm Mini-LAS 11-R User Manual

Model 11-R
GRIMM AEROSOL TECHNIK GmbH & Co.KG Seite 4 von 83
2.9 RS-232 interface .................................................................................................................... 32
2.10 Bluetooth interface ................................................................................................................. 32
2.11 USB (universal serial bus) connection ................................................................................... 33
2.12 LAN (local area network) connection ..................................................................................... 33
2.13 GPS antenna .......................................................................................................................... 35
2.14 Filter chamber ........................................................................................................................ 35
2.15 PTFE filter .............................................................................................................................. 36
2.16 Laser warnings ....................................................................................................................... 36
2.17 Sunlight warning ..................................................................................................................... 36
2.18 Calibration label ..................................................................................................................... 36
2.19 Device designation and serial number ................................................................................... 37
2.20 Sample air discharge ............................................................................................................. 37
3 Particle measuring with GRIMM dual technology ....................... 38
3.1 Measuring principle ................................................................................................................ 39
3.2 Calibration, physical background ........................................................................................... 41
4 Measurements ........................................................................... 44
4.1 Putting into operation ............................................................................................................. 44
4.2 Measurement ......................................................................................................................... 46
4.3 Measuring mode and measurement display .......................................................................... 46
4.4 Mode switching particle count/particle mass.......................................................................... 47
4.5 Gravimetric control of the dust mass and Determining the gravimetry factor (C-factor) ....... 47
5 Analysis software ....................................................................... 49
5.1 Terminal software via RS-232 interface ................................................................................. 49
5.1.1 Transmission protocol ............................................................................................................ 49
5.1.2 Establishing a HyperTerminal connection .............................................................................. 49
5.1.3 RS-232 commands ................................................................................................................ 51
5.1.4 Service mode setting .............................................................................................................. 56
5.1.5 RS-232 measurement transmission ....................................................................................... 58
5.1.6 Model 11-R, version 12.40, particle number measuring mode (counts) ................................ 60
5.1.7 Model 11-R version 12.40 measuring mode channel masses in µg/m³ ................................. 60
5.2 GRIMM Windows 1178 software incl. Installation of the software: ........................................ 61
5.3 Troubleshooting (display messages and status indicators) ................................................... 65
6 Maintenance and cleaning .......................................................... 66
6.1 Maintenance and cleaning by the customer .......................................................................... 66
6.1.1 Filter chamber ........................................................................................................................ 66
6.1.2 Cleaning the measuring chamber .......................................................................................... 67
6.1.3 Housing …………………………………………………………………………………………..… 67
6.2 Replacement of the PTFE filter .............................................................................................. 68
6.4 K-line, function test of the optical measuring cell, laser diode and photo diode .................... 70
6.5 Repair ..................................................................................................................................... 71

Grimm Mini-LAS 11-R Specifications

General

Brand	Grimm
Model	Mini-LAS 11-R
Category	Measuring Instruments
Language	English