<4. Functions>
4-2
IM 11T03E01-51E
4.1.3
Points to Be Noted When Making Settings
(1) Password
Password is not selected in first condition. When password is necessary, refer to Section “4.2
Setting Lists” and selected password what you need. If password is selected, you are not allowed
to access any mode unless you enter the given password (XXX).
A password prompt appears when:
l
at the operation level, the [MODE] key is pressed during the measurement mode, or
l
at the setting level, the [
*
] key is pressed during the measurement mode.
l
at the service level, the [YES] key is pressed with [*SERV] displayed.
(2) Related Parameters
If any change has been made to a particular parameter, check its relationship with parameters
set in other modes so that there will not be any inconsistency.
[Parameters to Check When the Analog Output Settings Are Changed]
a. High/low limit alarm set-points and contact outputs
b. Fixed value for held output signal
[Parameters to Check When High/Low limit Alarm Set-points Are Changed]
a. Alarm actions (low limit alarm or high limit alarm operation)
b. Analog output settings
4.2
Setting Lists
The GD402 Gas Density meter comes in 3 different models (and model codes) to meet several
measurement conditions: (1) Density meter, (2) Calorie meter, and (3) Hydrogen purity meter.
The values measured by the different models are as follows.
(1) Density meter : Density, compensated density, specific gravity, molecular weight,
concentration and calorie.
(2) Calorie meter : Density, compensated density, and calorie
(3) Hydrogen purity meter : Density, compensated density, H
2
in Air, Air in CO
2
, and H
2
in
CO
2
.
The following describes the conditions required when using the GD402 Gas Density meter.
After following the procedure below, set a model code and select a password.
(1) Select a model code for each service in “Selecting the instruments” function of each service
code. For example, if you select model 1, you can use the analyzer as a calorie meter. (See
Figure 5.29, Figure 6.30 or Figure 7.27.)
code 0 : Density meter
1 : Calorie meter
2 : Hydrogen purity meter
(2) Next, set a password, if you need. (See Figure 5.27, Figure 6.28 or Figure 7.25.)
(3) Other parameter settings can now be set.
Set parameters according to the selected model code and password.
(1) Density meter: See Chapter 5. , (2) Calorie meter: See Chapter 6. , (3) Hydrogen
purity meter: See Chapter 7.
Summary of Contents for GD402G /M1
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