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RE300   V4.0    06/05 

 

Support line (781) 890-7440 

Technical support: Extension 200; E-mail: support@extech.com 

Repair & Returns: Extension 210; E-mail: repair@extech.com 

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

 

Extech Instruments Corporation, 285 Bear Hill Rd., Waltham, MA 02451 

Warranty 

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects 
in parts and workmanship for one year from date of shipment (a six month limited warranty 
applies to 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 ext. 210 for authorization or visit our website 

www.extech.com

 for contact 

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. 

 

Calibration and Repair Services 

Extech offers repair and calibration services

 for the products we sell. Extech also 

provides NIST certification for most products. Call the Customer Service Department for 
information on calibration services available for this product. Extech recommends that 
annual calibrations be performed to verify meter performance and accuracy. 
 
 
 

 

 

 
 
 
 
 
 
 
 
 

Copyright 

©

 2005 Extech Instruments Corporation 

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

 

Summary of Contents for ExStik RE300

Page 1: ...0 500 1000 RE300 ORP TM MV User Guide ExStikTM Model RE300 Waterproof ORP Meter Patent Pending ...

Page 2: ...nel Controls 1 Battery compartment cap 2 LCD Display 3 MODE button 4 CAL button unused on RE300 5 ON OFF button 6 Electrode collar 7 Electrode Electrode cap is not shown Display Description 1 Reading 2 Units 3 Bargraph 4 Data Hold 5 Scale 6 Low Battery 3 6 2 1 4 5 ...

Page 3: ...n to turn the RE300 off If you do not press a button for 10 minutes the RE300 shuts off automatically 15 Reading Measurement Storage 1 Press the MODE button to store a reading The LCD will briefly display the memory location number and then the value stored Data Hold will activate 2 Press MODE again to return to normal operation Repeat step 1 above to store the next reading and so on 3 If an attem...

Page 4: ...when not in use store vertically DO NOT USE DE IONIZED WATER 1 To remove an electrode unscrew and completely remove the electrode collar turn the collar counter clockwise to remove 2 Gently rock the electrode from side to side pulling it downwards until it disconnects from the meter 3 To attach an electrode carefully plug the electrode into the meter socket note that the electrode connector is key...

Page 5: ...tional Accessories Replacement ORP electrode Part Number RE305 Specifications Display Multifunction LCD with Bargraph Operating conditions 32 to 122 o F 0 to 50 o C 80 RH ORP Range Accuracy 999mV 4mV Measurement storage 15 tagged numbered readings Power Four 4 CR2032 button batteries Low battery indication BAT appears on the LCD Auto power off After 10 minutes of inactivity ...

Page 6: ... 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 ...

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