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Support line (781) 890-7440 

Technical support: Extension 200; E-mail: [email protected] 

Repair & Returns: Extension 210; E-mail: [email protected] 

Product specifications subject to change without notice 

For the latest version of this User’s Guide, Software updates, and other 

up-to-the-minute product information, visit our website: www.extech.com

Warranty

EXTECH  INSTRUMENTS  CORPORATION  warrants  the  basic  instrument  to  be  free  of 

defects  in  parts  and  workmanship  for  one  year  from  date  of  shipment  (a  six  month  limited 

warranty  applies  on  sensors  and  cables).  If  it  should  become  necessary  to  return  the 

instrument for service during or  beyond the  warranty period, contact the Customer Service 

Department at (781) 890-7440 EXTENSION 210 for authorization or visit 

www.extech.com

 for 

more  information. 

A  Return  Authorization  (RA)  number  must  be  issued  before  any 

product  is  returned  to  Extech.

  The  sender  is  responsible  for  shipping  charges,  freight, 

insurance and proper packaging to prevent damage in transit. This warranty does not apply 

to  defects  resulting  from  action  of  the  user  such  as  misuse,  improper  wiring,  operation 

outside of specification, improper maintenance or repair, or unauthorized modification. Extech 

specifically  disclaims  any  implied  warranties  or  merchantability  or  fitness  for  a  specific 

purpose and will not be liable for any direct, indirect, incidental or consequential damages. 

Extech's total liability is limited to repair or replacement of the product. The warranty set forth 

above is inclusive and no other warranty, whether written or oral, is expressed or implied. 

Copyright 

©

 2006 Extech Instruments Corporation. 

All rights reserved including the right of reproduction in whole or in part in any form. 

more infor for 

Extech EX542

Phone: 01235 838 555

Email: [email protected]

Web. www.airconcern.co.uk

Air Concern Ltd, Building 173 Curie Avenue Harvell Didcot, Oxfordshire

Summary of Contents for 406800

Page 1: ...User s Guide Differential Pressure Manometer Model 406800 ...

Page 2: ... 10 18inHg 0 01inHg mmHg 258 5mmHg 0 1mmHg ozin 2 80 00oz in 2 0 01oz in 2 ftH2O 11 53ftH2O 0 01ftH2O cmH2O 350 1cmH2O 0 1cmH2O kgcm 2 0 351kg cm 2 0 001kg cm 2 Display Dual LCD Accuracy 0 3 FS Repeatability 0 2 to 0 5 FS Linearity Hysteresis 0 3 FS Combined Accuracy 1 1 FS 5 to 4psi 4 to 5psi unspecified Connectors Two metal 4 8mm ports for flexible tubing Maximum Pressure 20psi Response Time 0 5...

Page 3: ...fferential Function and Zero Offset 8 AC adaptor input 9 Min Max Record 10 RS 232 input Note The battery compartment is located on the bottom of the instrument Display Description 1 Hold Function 2 Differential Mode 3 Primary Data screen 4 Relative Time Clock 5 Pressure Unit indicator 6 Low Battery indicator 7 Max Min 8 Record Mode 1 2 3 4 5 6 7 8 9 10 ...

Page 4: ...ive time stamp 1 Press the REC button once and REC appears on the display All other functions are locked out except for Power Backlight The relative time clock also appears in the secondary display and starts counting 2 Press the REC button again and MAX appears on the display The display is now showing the maximum pressure and relative time that it was recorded 3 Press the REC button again to dis...

Page 5: ...ce Cleaning and storage 1 The meter should be cleaned with a damp cloth and mild detergent when necessary Do not use solvents or abrasives 2 Store the meter in an area with moderate temperature and humidity refer to the operating and storage range in the specifications chart earlier in this manual Battery Replacement When the battery power falls low BAT will appear on the LCD Replace the 9V batter...

Page 6: ...efore any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied war...

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