Instrutech CDM900 Micro Bee User Manual

Capacitance diaphragm vacuum gauge

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CDM900 Module
The Micro Bee™
User Manual
InstruTech
1475 S. Fordham St.
Longmont, CO 80503
USA
Phone: +1-303-651-0551
Fax: +1-303-678-1754
E-mail info@instrutechinc.com
www.instrutechinc.com
p/n 002626-101

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Summary of Contents for Instrutech CDM900 Micro Bee

  • Page 1 InstruTech® CDM900 Module The Micro Bee™ User Manual InstruTech 1475 S. Fordham St. Longmont, CO 80503 Phone: +1-303-651-0551 Fax: +1-303-678-1754 E-mail info@instrutechinc.com www.instrutechinc.com p/n 002626-101...
  • Page 2 In no event will InstruTech be responsible or liable for indirect or consequential damages that result from the use or application of this equipment.
  • Page 3 Copyright © 2016 by InstruTech All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage or retrieval system, except as may be expressly permitted in writing by InstruTech.
  • Page 4: Table Of Contents

    Instruction Manual CDM900 Micro Bee Table of Contents Introduction / General Information ..........................2 Description................................. 2 Specifications ..............................2 Dimensions ................................ 3 Part Numbers ..............................4 Options & Accessories ............................4 Important Safety Information............................. 5 Safety Precautions - General ..........................5 Safety Precautions - Service and operation .......................
  • Page 5: Introduction / General Information

    The corrosion resistant sensor material provides excellent temperature compensation capability, thus enhancing the reliability of the pressure measurements. The CDM900 Micro Bee vacuum gauge module provides the basic signal conditioning required to turn the sensor into a complete vacuum pressure measurement instrument. The combination of superior sensor design and enhanced signal processing provides optimal and stabile pressure readings by the instrument.
  • Page 6: Dimensions

    Instruction Manual CDM900 Micro Bee max output signal + 10.24 Vdc response time 100 msec (from 10% to 90% F.S.) input power 13 to 30 Vdc, 0.3 W protected against power reversal fuse required 1 AT (slow), automatic reset (Polyfuse) supply voltage ripple ≤50 mVpp...
  • Page 7: Part Numbers

    Instruction Manual CDM900 Micro Bee Part Numbers CDM900 # F # U # # Accuracy Fitting / Flanges A= 1% accuracy A= 1/2 in. Tube B= 0.5% accuracy B= NW16KF C=NW25KF E = 1 1/3 in. Mini-CF (NW16CF) G = 4VCR Female Full Scale (F.S.)
  • Page 8: Important Safety Information

    CDM900 Micro Bee 2 Important Safety Information InstruTech has designed and tested this product to provide safe and reliable service, provided it is installed and operated within the strict safety guidelines provided in this manual. Please read and follow all warnings and instructions.
  • Page 9: Safety Precautions - Service And Operation

    Do not use if the unit has been dropped or the enclosure has been damaged. Contact InstruTech for return authorization and instructions for returning the product to InstruTech for evaluation.
  • Page 10: Electrical Interface And Control

    Instruction Manual CDM900 Micro Bee WARNING! In order to protect personnel from electric shock and bodily harm, shield all conductors which are subject to potential high voltage electrical discharges in or around the vacuum system. 2.3.2 Electrical Interface and Control It is the user’s responsibility to ensure that the electrical signals from this product and any connections made to...
  • Page 11: Installation

    Instruction Manual CDM900 Micro Bee 3 Installation 3.1 Mechanical Installation WARNING! Fragile components. The ceramic sensor may be damaged by impacts. Do not drop the product and prevent shocks and impacts. CAUTION! Dirt and damage can impair the function of the vacuum component. Take appropriate measures to ensure cleanliness and prevent damage.
  • Page 12: Electrical Installation

    Instruction Manual CDM900 Micro Bee Remove the protective lid and install the product to the vacuum system following manufacturer’s recommendations for different flanges and fittings. Keep the protective lid for future maintenance. 3.2 Electrical Installation 3.2.1 Grounding WARNING! Be sure the vacuum gauge and the rest of your vacuum system are properly grounded for safety as well as intended operation of the equipment.
  • Page 13: Connector

    Instruction Manual CDM900 Micro Bee 3.2.2 Connector Good, recommended practice is to remove power from any cable prior to connecting or disconnecting it. 1) The CDM900 is provided with one 9-pin D-sub male connector used for the I/O interface. Fabricate a cable to connect to the vacuum gauge as shown below: 3.2.3 Connector pin-out...
  • Page 14: Setup And Operation

    Instruction Manual CDM900 Micro Bee 4 Setup and Operation 4.1 Gauge start up and operation Read this user manual in its entirety before operating the instrument. The signal output is available when power is applied to the gauge. Allow for a Warm-up time of approx.
  • Page 15 Instruction Manual CDM900 Micro Bee  Briefly press the <ADJ> button with a pin (max. ø1.1 mm) or briefly apply supply voltage to pin 7 of the D-Sub connector to set zero. The zero adjustment runs automatically (duration ≤8 s).
  • Page 16: Analog Output

    Instruction Manual CDM900 Micro Bee 5 Analog Output The CDM900 provides a 0 to 10 Vdc linear signal proportional to pressure. Pressure p 1.1×F.S. 1.0×F.S. 0.9×F.S. 0.8×F.S. 0.7×F.S. 0.6×F.S. 0.5×F.S. 0.4×F.S. 0.3×F.S. 0.2×F.S. 0.1×F.S. 0.0×F.S. Measuring signal U p = (U / 10 V) ×...
  • Page 17: Service

    (see section 4.2) InstruTech assumes no liability and the warranty becomes null and void if any repair work is carried out by the end-user or third parties. Removing the gauge from service WARNING! Contaminated parts can be detrimental to health. Before beginning work, find out whether parts are contaminated and adhere to the relevant regulations and precautions for handling contaminated parts.
  • Page 18: Factory Service And Support

    (examination of which shall disclose to SELLER's satisfaction that it is defective) returned, to SELLER's plant, properly identified within twenty four (24) months (unless otherwise noted) after the date of shipment from InstruTech Plant. BUYER must obtain the approval of SELLER and a return authorization number prior to shipment.
  • Page 19 Instruction Manual CDM900 Micro Bee InstruTech Page 16...
  • Page 20 InstruTech® 1475 S. Fordham St. Longmont, CO 80503 Phone +1-303-651-0551 Fax +1-303-678-1754 E-mail info@instrutechinc.com www.instrutechinc.com p/n 002626-101...

Table of Contents