Sony Multiscan CPD-1304S Service Manual page 120

10
Range of appropriate gases (Generic natural gases)
The gases must be technically free from dust and liquids!
Component name
Methane
C H + higher alkanes (sum)
2 6
N -concentration
2
CO -concentration
2
O -concentration
2
H -concentration
2
Water (gaseous)
Hydrogen sulfide
Calibration Gas
Mixture (Methane +CO2)*
Blend tolerance: ± 2% rel.
Accuracy : ± 2% rel.
10 l gas cylinder :
(not always part of Elster)
*The mixture depends on the gas to be measured. Please use an appropriate gas from the following table
Actual measurement
Range CO2
min 0 max 4 mol %
min 0 max 20 mol %
Environmental
Specifications
Environmental pressure
Environmental temperature
Damp
EMC: Immission
Mech. Stress
Inputs / Outputs (I/O)
Communication:
Analog outputs:
Digital outputs:
Digital inputs:
Ethernet communication:
Serial communication:
Operational interface
Page 120 of 135
Formula Measurement range OEML R140
70 – 100 mol%
CH
4
0 – 15 mol%
C2+
0 – 25 mol%
N
2
0 – 20 mol%
CO
2
≤0.1 mol%
O
2
≤0.1 mol%
H
2
≤0.1 mol%
H O
2
≤5 mg/m
H S
2
Range
with automatic calibration cycle.
Flow calibration gas: 30 l/h - 60l/h during calibration
Setting 0.2 MPa Range (0.2 MPa (gauge) ± 0.05MPa)
Make sure the cylinder pressure is higher than 2 MPa (g) and to use a type that
meet the specifications and standards, if not delivered by Elster GmbH.
Further required accessories: Pressure regulator and connection lines
operational calibration
2 mol% CO2 + CH4 balance
10 mol% CO2 + CH4 balance
Value and Comment
Atmospheric Pressure
-25 °C to +55°C
0-100%RH
Electrostatic discharge according: IEC 61000-4-2 [25]
Vibration according IEC 60068-2-64 [20]; IEC 60068-2-47 [19]
Values and / or Comment
Speed: 345600 Baud
Type of interface TCP/IP (serial interface) (only for Connection box)
Quantity 4 (common ground, 0/4...20mA galvanically isolated)
Short circuit protection R max = 390 Ω
Quantity 4 (common ground, galvanically isolated)
1 xNC (Normally closed suitable for general alarm)
3 x NO (Normally open)
Semiconductor circuit operates as a potential-free contact
max.120 mA at 28,8V (DC)
Quantity 2 (2 wire lines, device powered max. 9 V, galvanically isolated).
e.g. process and calibration gas pressure control option
1 x Ethernet (TCP/IP; Modbus; ftp; http)
2 x RS485 (Modbus serial)
7-channel capacitive touch panel
G a s Q u a l i t y A n a l y z e r
Technical data and notes
Technical range
70 – 100 mol%
0 – 20 mol%
0 – 25 mol%
0 – 20 mol%
≤0.1 mol%
≤0.1 mol%
≤0.1 mol%
≤5 mg/m
3
Preferred gas for
service calibration
5 mol% CO2 + CH4 balance
20 mol% CO2 + CH4 balance
Output
Yes
Yes
Yes
Yes
No
No
No
3
No
GasLab Q2