Related Manuals for Servomex 1900
Summary of Contents for Servomex 1900
- Page 1 ™ 1900 Oxygen Analyser Hazardous Area Please record your analyser details below Part Number Serial Number Tag Number...
- Page 2 1900 Series...
- Page 3 1900 Series...
- Page 4 TB-2 TB-4 TB-3 RELAY CONTACTS SHOWN IN DE-ENERGISED POSITION 0-1V NON ISOLATED RANGE 4-20mA ISOLATED FLOW ALARM ALARM 2 F3.15A. ALARM 1 HBC. N (2) L (3) TB-3 1900 Series...
- Page 5 Alarm Set Span Alarm Zero 20.9 Power Flow Alarm Range 1 Range 2 Range Set 100% RANGE 2 100% RANGE 1 NOT FITTED FITTED FLAL HIGH FAI LURE M ODE HIGH HIGH ALARM 1 ALARM 2 1900 Series...
- Page 6 1900 Series...
- Page 7 Notes 1900 Series...
-
Page 8: About This Manual
Alert the user to pertinent facts and conditions. Scope of this manual This manual covers installation, normal operation and routine maintenance of the Servomex paramagnetic oxygen analyser, xendos 1900 Series • For latest technical specification refer to the Technical Data Sheet. -
Page 9: Ec Directive Compliance
2. Range 1 (LK3) 5. Alarm 2 (LK2) 3. Range 2 (LK4) 6. Alarm 1 (LK1) EC Directive Compliance The xendos 1900 complies with the EMC Directive 89/336/EEC (as amended by Directives 92/31/EEC and 93/68/EEC) and the ATEX Directive 94/9/EC. xendos 1900 Series... -
Page 10: Installation
It is recommended that it is lifted with the fingers positioned underneath the rear casting. • Remove the xendos 1900 from its packing and inspect it for damage. • If damage has occurred, inform Servomex or its agent immediately. - Page 11 (Europe) EEx iad IIC T4 (-20°C < Ta < 50°C) • The xendos 1900 Series analysers are not suitable for use with Oxygen enriched atmospheres • When used in hazardous atmospheres, at least one of the alarms must be configured as a HIGH alarm and be set at not more than...
- Page 12 The analyser must be mounted securely to a rigid vertical surface capable of supporting the weight of the analyser, using the four fixing lugs provided or the panel mounting option. The xendos 1900 must be mounted horizontally with the sample connections and electrical entries on the underside.
- Page 13 Electrical installation WARNINGS • The installer must be satisfied that the xendos 1900 installation conforms to the relevant safety requirements, National Electrical Code and any other local regulations, and that the installation is safe for any extremes of conditions which may be experienced in the operating environment of the analyser.
- Page 14 WARNING If the relay connections to TB2 are used to switch a combination of 240V ac and 28V dc signals, then all parts of the dc relay circuits must be protected to a minimum of IP20 xendos 1900 Series...
- Page 15 4 to 20mA Oxygen output signal, + ve TB4-3 (isolated), maximum load impedance 600 Ohms - ve TB4-4 The full scale of the above outputs represents the range selected by the push button Range switch on the front panel. xendos 1900 Series...
- Page 16 When pressurising the sample system for the purpose of leak • testing ensure that pressure is increased and decreased slowly. High internal flow rates created when the pressure is changed rapidly will damage the measuring cell. xendos 1900 Sample Condition Requirements Sample Viton/SS with AFCD High-flow cell or bypass 0.04 psig †...
- Page 17 Supply air or inert gas at 100 to 200 ml/minute. Vent the outlet freely to atmosphere. Shut down procedure Before removing power from the analyser disconnect the sample gas and flush the analyser sample pipework with dry nitrogen or good quality instrument air for 10 minutes. xendos 1900 Series...
- Page 18 Spare range labels are provided with the analyser that slip into the side of the front panel to indicate the new ranges selected. Switch on the analyser, a LED indicator on the front panel will show whether Range 1 or Range 2 has been selected, see Figure (C). xendos 1900 Series...
- Page 19 Adjust the alarm setpoint displayed to the desired level. The LED indicators also indicate whether the alarm is configured to be a High or Low alarm and will flash if an alarm is present. Refer Figure (C). xendos 1900 Series...
-
Page 20: Section 2.5 Sample Gas Connection
20.9 % oxygen* or the actual level of oxygen in the calibration gas cylinder. * with the optional 4.5 digit display board, zero can be set to 0.00 % and span to 20.95 %. The calibration should be checked either weekly, monthly or 3 monthly depending on application. xendos 1900 Series... - Page 21 (fully clockwise). Adjust the coarse span potentiometer on the display board until the display reading is approximately 24 % oxygen. Reset the front panel Span control to calibrate the analyser as in part 6 above . xendos 1900 Series...
-
Page 22: Routine Maintenance
Cleaning The exterior of the analyser may be cleaned using a slightly damp cloth. Do not use solvents or abrasive cleansers to clean the analyser. xendos 1900 Series... - Page 23 SPARES WARNING xendos 1900 Series spares must be supplied by Servomex to comply with hazardous area approvals. The following spares are required to maintain normal operation of the analyser. Part Description - xendos 1900 Series Quantity Number S1800986 Enclosure seals kit (10 off) 1 pkt.
- Page 24 Description - xendos 1900 Quantity Number sample option - standard S1800966 Sample Inlet & Outlet Tubes (SS316) Kit 1 off S1800980 Sample Flow Alarm (xendos 1900) 1 off S1800989B Standard O Transducer Assy. 1 off 00570915 AFCD for analysers without optional flow alarm...
- Page 25 TECHNICAL SPECIFICATION - xendos 1900 Series Analyser Performance High Flow Transducers: Base Standard or Solvent Analyser Resistant AFCD Intrinsic Error 0.05% O (accuracy) Linearity Error <0.05% O Repeatability 0.05% O Noise < 0.04 < 0.05 < 0.04 (peak to peak) / %O Zero Drift <...
- Page 26 Alarm relay contact rating - 250V a.c / 3A or 28V d.c / 1A (non-inductive) maximum and 5V / 10mA a.c/d.c minimum. Transducer Fault - current and voltage outputs go to Low on Fault state. (see above) xendos 1900 Series...
- Page 27 Glass Filled Nylon 12 Polysulphone Platinum Platinum / Iridium Alloy Glass Filled Polypropylene Polypropylene Gold Plated Silver 302 / EN58A Stainless Steel 303 Stainless Steel 316 Stainless Steel Viton (325 Cell) Viton - A Chemraz (364 Cell) PTFE (364 Cell) xendos 1900 Series...
- Page 28 4X to NEMA standards publication No. 250 Hazardous area approvals (Not suitable for use with O enriched samples) xendos 1900 Series FM - Class I, II & III, Division 1 (USA) Groups A, B, C, D, E, F & G T4, Ambient Temp.
- Page 29 NOTES xendos 1900 Series...
Need help?
Do you have a question about the 1900 and is the answer not in the manual?
Questions and answers