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EGM-4
PP Systems EGM-4 User Manual
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Getting
Fam
iliar W
ith The
EGM
-4
EGM
-
4 Op
erator'
s Manu
al
–
Vers
ion 4.19
-
10
-
Getti
ng Famili
ar With The EGM
-4
F
r
o
n
t P
a
n
e
l
Figure
1
EG
M
-
4 D
ispla
y (Front
Panel)
LCD D
ispla
y
(2 x 16)
Character
Custom
,
tactile
key
pad
Sensor I/
O
Connector
s
RS232
Connector
Gas In P
ort
Gas Out Por
t
4-
20 m
A
Access Ho
le
9
11
Table of Contents
Table of Contents
3
Preface
5
System Calibration
5
User Registration
5
Warning Notice
6
Condensation Risk
6
PP Systems' Contact Information
7
Technical Specification
8
Introduction
9
Measurement Principle
9
Getting Familiar with the EGM-4
10
Front Panel
10
Environmental Sensor Inputs (I/O Ports)
12
Analog Output
13
Current Output
13
RS232 Port
13
Soda Lime Absorber Column
13
Soda Lime
14
Keypad
14
LCD Display
14
Gas Ports
14
Battery
14
Powering the EGM-4 with Internal 12V Nimh Battery
14
CHARGING the INTERNAL 12V Nimh BATTERY
15
Charge Cycle and LED Indications for 12V Nimh Battery Charger
15
Charge Socket
15
Power Supply/Charger
15
Power Switch
16
Operation
17
Main Menu
19
1Rec
19
Stand Alone CO Analyzer (Probe Type 0)
20
Measurement Mode Display Structure
21
Changing Plot Number
22
Environmental Monitor (Probe Types 1-6 and 10)
22
PP Systems Environmental Sensor Conversions
23
Steady State Porometer (Probe Type 7)
23
Closed System Soil Respiration (Probe Type 8)
24
Use of Our PAR Sensor with SRC-1 Soil Respiration Chamber
24
Oxygen (Probe Type 9)
27
Open System Soil Respiration (Probe Type 11)
27
Calculation of Fluxes for CFX and CPY Chambers
29
2Set
30
1Egm
30
Probe Types
30
Probe Setting Override
31
Changing the Zero Type
31
Changing the Zero Time
32
3Pmp
32
Static Sampling with the EGM-4
32
4Av
32
5Recd
33
6Alm
33
Setting the Low CO Alarm Setpoint
33
Setting the High CO Alarm Setpoint
34
7Vout
34
3Cal
35
Connecting Calibration Gas to the EGM-4
35
4Dmp
36
Screen Display
36
Data Dump
37
Transferring Stored Data Using the Windows
37
Based Software Program
37
Logging Data
38
Record Structure
38
Data Structure Based on Probe/Sensors
39
Error Cod
40
EGM Serial Outputs
41
5Clr
41
6Clk
42
Diagnostics and Initialisation
43
Diagnostics
43
Initialisation
43
Maintenance
44
Soda Lime Absorber Column
44
Soda Lime
44
Material Safety Data for Soda Lime
45
Servicing the EGM-4
46
Fuse
46
Inside the EGM-4
47
Infrared Source
47
Checking EGM-4 Raw A/D Readings
48
Eprom
48
ZERO Valve
49
12V Lead Acid Battery
49
12V Lead Acid Battery Specification
49
Removing the 12V Lead Acid Battery
49
12V Nimh Battery
50
12V Nimh Battery Specification
50
Removing the 12V Nimh Battery
50
Air Sampling Pump
51
Replacing the Air Sampling Pump
51
Cleaning the Air Sampling Pump
51
In-Line Filter Assembly (Hydrophobic)
52
Consumables and Spares for EGM-4
53
User Notes
54
4
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PP Systems EGM-4 Specifications
General
Brand
PP Systems
Model
EGM-4
Category
Monitor
Language
English
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