Elster GmbH
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EnCal 3000 Quad– Hardware Manual
22/06/2017
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3
Technical Specifications
Below the main technical specifications:
Hardware
up to 4 parallel isothermal GC modules with narrow-bore capillary column
technology in combination with MEMS based analytical components
Analysis Output
Extended analysis of any natural gas up to C
9
(standard) or C
12
(optional)
Heating Value, Density, Wobbe Index
Component Range
for natural gas (standard) possible additional components
N
2
: 0.005
– 20 % CH4S, TBM: 0.0001 – 0.002 %
CH
4
: 55
– 100 % THT: 0.0002 – 0.002 %
CO
2
: 0.001
– 20 % C
10
: 0.0001
– 0.002 %
C
2
: 0.001
– 14 % C
11
, C
12
: 0.0001
– 0.001 %
C
3
: 0.001
– 6 % C
6
H
6
, C
6
H
12
: 0.0001
– 0.1%
i, n-C
4
: 0.001
– 3 % C
7
H
8
, C
7
H
14
: 0.0001
– 0.1%
neo-C5
: 0.005
– 0.25 % H
2
: 0.001
– 10 %
i, n-C
5
: 0.001
– 0.25 % O
2
: 0.005
– 4%
C
6
: 0.001
– 0.1 % H
2
S
: 0.0002
– 1%
C
7
: 0.001
– 0.05 % COS : 0.0001 – 1%
C
8
: 0.001
– 0.02% He : 0.001 – 1 %
C
9+
: 0.001
– 0.01 % H2O: 0.001 – 0.05%
CH3OH: 0.005
– 0.1%
Concentrations outside this scope might be possible, but verification with Elster-
Instromet is needed.
Performance
Uncertainty < 0.1 % for all calculated properties
Repeatability < 0.01 % for all calculated properties Linear dynamic range 10
6
Detection limit for C
5
: 1 ppm, Detection limit for C
9
: 2 ppm
Analysis time 5 minutes for C
9
analysis or C
12
analysis
Temperature range
0°C to 55°C (32°F to 130°F), extendable to -40°C to 55°C (-40°F to 130°F)
Approvals
PTB Metrological Certificate
Analytical
Dimensions
Two combined Housings: Base Ø 37 cm x Height 37 cm (Ø14” x Height 14”)
Installation Clearance
100 cm x 42 cm x Height 70 cm (40” x 17” x Height 28”)
Weight
<60 kg for the complete Quad device
Approvals
ATEX II2G Ex-d IIB T4 (IIC certification pending) and IECEx
NEC Class I, Div. I, Groups B, C & D (pending)
IP 66
Vibration and shock test acc. IEC 60068-2-31 and 64
Mechanical
