MODEL OCT-400 REED CHAIN TRANSMITTERS DESCRIPTION Model OCT-400 Mounted to Atlas® MLI The OCT-400 analog transmitter mounts directly to the side of the Atlas, Aurora or Gemini chamber, providing a continuous 4–20 mA output signal proportional to liquid level. Using simple and reliable reed switches surface mounted to a printed circuit board, the unit provides level accuracy of ±0.50" (13 mm). Activated by the field of the float magnets, the transmitter is totally non-invasive and designed for years of maintenance free service. Each unit is manufactured with a stainless steel outer tube which encases the reed switch assembly, and an aluminum or stainless steel enclosure which provides signal/power field wiring terminations. S P E C I F I C AT I O N S Model Type Supply voltage Resolution Output signal Temperature range* Enclosure rating Enclosure material Span User interface Sensor length Transmitter position Mounting OCT-4xxx-xxx Reed chain 12–36 VDC ±0.50" (13 mm) 4–20 mA -40° to +158° F (-40° to +70° C) NEMA 4X/7/9 316 SS or cast aluminum 6" to 198" (15 to 503 cm) Potentiometers Span + 8" (20 cm) Top or bottom mount Clamp mount to MLI *Higher temperatures possible for Models OCT-400 using insulation. Consult factory. AGENCY A P P R O VA L S AGENCY FM & CSA CE MODEL MODEL APPROVAL CATEGORY OCT-40xx-xxx Class I, Div. 1, Grps B, C, & D Class I, Div. 2, Grps A, B, C, & D Class II, Grps E, F, & G Class III, TYPE 4X NOTE: FM approval limited to 120" length All Models These units have been tested to EN 50081-2 and EN 50082-2 and are in compliance with the EMC Directive 89/336/EEC NUMBERS Specify active length in: Inches when seventh digit 'E', Active lengths from 6 to 198" E English unit of measure M Metric unit of measure UNIT OF MEASURE 0 1 Specify active length in: Centimeters when seventh digit 'M', Active lengths from 15 to 503 cm Top mount Bottom mount Centimeter Code Example: 50 cm = Code 050 MOUNTING 0 1 Stainless steel Aluminum (consult factory) Note: Finished probe length equals active length plus 8" (20 cm) PROBE LENGTH ENCLOSURE C T 4 DIMENSIONAL S P E C I F I C AT I O N S 3.8 (140) REF. • • • O Inch Code Example: 24 inches = Code 024 • • • WIRING S P E C I F I C AT I O N S Label Bracket 0.4 (10) REF. 3.5 (90) 4.5 (115) REF. REF. Resistor Chain 3/4" NPT Conduit Conn. Reed Switch XXX = Span Active Length 4.0 (102) Ref. Inactive Length red yellow black A Magnetrol Company 6646 Complex Drive • Baton Rouge, Louisiana 70809 • 225-906-2343 • Fax 225-906-2344 • www.orioninstruments.com Copyright © 2004 Magnetrol International, Incorporated. All rights reserved. Printed in the USA. Magnetrol and Magnetrol logotype are registered trademarks of Magnetrol International. Performance specifications are effective with date of issue and are subject to change without notice. The brand and product names contained within this document are trademarks or registered trademarks of their respective holders. BULLETIN: OCT-400.1 EFFECTIVE: March 2004 SUPERSEDES: January 2003