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 Certification ● See enclosed envelope for copies of approvals, certificates and conditions. Certificazione ● Autorizzazioni, condizioni ed attestati sono riportati nella busta allegata. Bescheinigungen ● Für Kopien der Zulassungen, Zertifikate und Bedingungen siehe beigefügten Umschlag. Attestations ● Voir l’enveloppe ci-jointe pour les copies de l’homologation, des certificats et des conditions. Certificatie ●...
- Page 3 • For latest technical specification refer to the Technical Data Sheet. • References to the xendos 1900 / 1900EUR also include the xendos 1902 / 1902EUR unless stated otherwise. • Addresses for technical assistance and spares are given on the rear cover.
- Page 4 3. Range 2 (LK4) 6. Alarm 1 (LK1) CE Marking The xendos 1900 / 1902 / 1900EUR / 1902EUR analysers carry the CE mark which indicates conformity with the European Community Directives on CE Marking (93/68/EEC), Electromagnetic Compatibility (EMC 89/336/EEC) and Low Voltage Directive (LVD 73/23/EEC).
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Page 5: 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 6 (Europe) T.ambient 50 C maximum • The xendos 1900 / 1902 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...
- Page 7 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 8 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 9 The lid thread is pre-greased and no additional non- setting sealant, etc is required . After electrical connections are complete, ensure the threads are correctly aligned, screw the lid fully down and re-tighten the lid locking grub screw. xendos 1900/1902...
- Page 10 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 1900/1902...
- Page 11 ¼” NPT Female Inlet / Outlet Connectors Connections † - Adjust sample pressure and flow rate externally to provide sample flow rate * - For Corrosive samples use the xendos 1902 / 1902EUR AFCD - Automatic Flow Control Device c/w internal sample filter xendos 1900/1902...
- Page 12 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 1900/1902...
- Page 13 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 yellow LED indicator on the front panel will show whether Range 1 or Range 2 has been selected, see Figure (C). xendos 1900/1902...
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Page 14: Alarm Set Point Adjustment
Adjust the alarm setpoint displayed to the desired level. The yellow 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 1900/1902... -
Page 15: Section 2.5 Sample Gas Connection
(nominally 20.9% oxygen). Once the reading has stabilised, adjust the span control so that the display reads 20.9 % oxygen or the actual level of oxygen in the calibration gas cylinder. The calibration should be checked either weekly, monthly or 3 monthly depending on application. xendos 1900/1902... - Page 16 When the analyser reading has stabilised adjust the Span potentiometer on the analyser front panel so that the voltage output reads 0.838Vdc. Then adjust the 4-20mA Span potentiometer located in the terminal compartment to give an output current of 17.41mA. xendos 1900/1902...
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Page 17: Routine Maintenance
SPARES WARNING xendos 1900 / 1902 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... - Page 18 1 off S1900995 IS Protection Block Module 1 off S1902989 xendos 1902 Paramagnetic O Transducer Assy. 1 off 2822-2028 Switch mode power supply module 1 off 3950-6087 Anti-static glass window 1 off TECHNICAL SPECIFICATION - xendos 1900 / 1902 xendos 1900/1902...
- Page 19 Rate Effect 50 to 250 6 to 60 ml / min litres / hour The performance specification has been written, and verified, in accordance with the international standard IEC 1207 - 1:1994 “Expression of performance of gas analysers”. xendos 1900/1902...
- Page 20 5V / 10mA a.c/d.c minimum Physical: Size - 448mm W x 235mm H x 229mm D (17¾” W x 9¼” H x 9" D approx.) Weight - 26kg (57lbs) Power Supply - 100 to 240Vac ±10%, 50/60Hz, 50VA maximum xendos 1900/1902...
- Page 21 NEMA 4X to NEMA standards publication No. Hazardous area approvals (Not suitable for use with O enriched samples) xendos 1900 / 1902 FM - Class I, II & III, Division 1 (USA) Groups A, B, C, D, E, F & G CSA - Class I, Division 1, Groups A, B, C &...
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