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3 PREPARATION
3.1
Identification
It is essential that installers and users clearly identify the
various units of the monitoring system as follows:
3.1.1
Model 6553 Monitor Unit – Fig. 3.1
The 6553 monitor is available in several options, these being
defined by the code number as given in Section 3.1.4.
The identification and certification labels are fixed to the
outside of the monitor case as shown in Fig. 3.1. The precise
interpretation of the identification code gives information on
the 6553 system as shown in Section 3.1.5.
PURGE GAS MONITOR TYPE 6553
Ex
Ex (ia) IIC/BAS No.Ex77124/B/S
ABB Kent-Taylor Ltd
St. Neots England PE19 3EU
ASEA BROWN BOVERI
TYPE
4689/502
SERIAL No. X X XX X
XX X
Retaining
Screw
Fig. 3.1 Typical Identification Labels and Locations –
Model 6553 Gas Monitor Unit with Digital Displays
ABB Kent-Taylor Limited
SFA3012
ABB Kent-Taylor Ltd
Oldends Lane, Stonehouse
ASEA BROWN BOVERI
Glos, England GL10 3TA
Code No. 6553–6131101101
Serial No. GBXXXXX
Voltage. 110–120
Hz. 50–60
Watts. 30
Note. Although the display units may be marked as
'4600' on their front panels, they are special units for this
monitor and a standard Model 4600 cannot be used. The
precise identity of the display unit is given on the
identification label shown in Fig. 3.1.
3.1.2
Model 6548 000
Katharometer Analyser Panel – Fig. 3.2
The identification of a panel is given by the panel reference
number label as shown in Fig. 3.2. The identification and
certification labels of the individual katharometer units (fixed to
the katharometer case) are also shown in Fig. 3.2.
Intrinsic Safety Label (UK)
ABB Kent-Taylor Ltd
Katharometer Type 6548001
Ex
Ex (ia) IIC T5
Ex 76179/B
SFA 3012
(Katharometer Unit)
Panel Reference No.
Model No.
Unique
Reference No.
Gas Type
(Hydrogen in Air Katharometer Unit)
Fig. 3.2 Typical Identification Labels with Locations –
Model 6548 000 Katharometer Analyzer Panel
3 PREPARATION...
6548000
ABB Kent-Taylor Ltd
Stonehouse, England
ASEA BROWN BOVERI
Type No. 006548001
Contract No. V60127
Serial No. XXXXXX
Range 85–100%
Output 0–10mV
Zero Gas 85% H
IN N
2
2
5
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