background image

pH300   V1.0    7/09 

11

 

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 Guide, Software updates, and other 

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

Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451 

ISO9001 Certified 

Warranty 

EXTECH INSTRUMENTS CORPORATION 

(A FLIR COMPANY)

 

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 Care Department for 
information on calibration services available for this product. Extech recommends that 
annual calibrations be performed to verify meter performance and accuracy. 
 
 

 

 

 
 
 
 
 
 
 
 
 

Copyright 

©

 2009 Extech Instruments Corporation (a FLIR company) 

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

www.burntec.com

Summary of Contents for pH300

Page 1: ...User s Guide Digital pH Meter Model pH300 www burntec com ...

Page 2: ...olutions The meter s digital filter improves measurement speed and accuracy Two special modes ammonia and purified water are provided The meter offers a backlit LCD display and is dust proof and water proof meeting the IP57 rating This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Supplied Equipment List pH300 Meter pH ATC Automatic Tempera...

Page 3: ...4 Electrode connection jack 5 Electrode plug 6 Electrode measuring bulb 7 Electrode body 8 Electrode cable Display Description 1 Parameter Mode icon 2 Measurement reading 3 888 Stored data serial number M measurement to be stored icon RM reading to be recalled icon 4 Unit of measure 5 Temperature reading 6 Stable measurement icon 7 Calibration icons 8 Low battery icon www burntec com ...

Page 4: ...o change the displayed number or the ON OFF state Store Recall and Clear Datalogger Memory STORE Readings The meter can store up to 100 pH and 100 mV readings for a total of 200 data points To store a reading wait until the reading stabilizes the smiling face icon appears when the reading stabilizes Press the M RM key momentarily to store a reading The M icon appears and the data point serial numb...

Page 5: ...on Stir the solution briefly and allow it to stay in the buffer solution until a stable reading is reached 6 Press CAL again and the display will show a blinking 4 00 7 This portion of the calibration procedure is complete when the display stops blinking and shows the C3 icon The unit will automatically switch to the third point of the calibration 8 Rinse the probe in distilled water again allow i...

Page 6: ...series selection USA Europe U S A NIS NIST CH China P2 Distilled water pH temperature compensation setting see note below this table OFF ON P3 Distilled water with Ammonia pH temperature compensation setting see note below this table OFF ON P4 Temperature unit setting P5 Back light display time setting 0 1 3 6min P6 Auto power off setting 0 10 20min P7 Restore to default factory settings OFF ON No...

Page 7: ...parameter P4 or press ENTER to return to the normal measurement mode 3 See the Note below the Table in the previous section for more details on parameter P3 Parameter P4 Temperature Measurement Units Setting 1 From the P4 menu use the CAL or the M RM keys to turn this feature ON or OFF 2 Momentarily press MODE to move to the next parameter P5 or press ENTER to return to the normal measurement mode...

Page 8: ...urified water and diluted to 100mL The electrode should not be soaked in a purified water protein solution or an acid fluoride solution for long periods of time In addition do not soak the electrode in organic silicon lipids For calibration accuracy the pH of the standard buffer solution must be reliable The buffer solution should be refreshed often especially after heavy use For best accuracy alw...

Page 9: ...ompt Parameters Code Settings P1 Back light display time 0 1 3 6 min P2 Auto power off time 0 10 20 min Parameter P1 Display Backlight Setting 1 Press MODE to access the P1 Parameter 2 Use the CAL or the M RM keys to select 0 1 3 or 6 minute default backlighting time 3 Momentarily press MODE to move to the next parameter P2 or press ENTER to return to the normal measurement mode Parameter P2 Autom...

Page 10: ...1999 mV to 0 to 1999mV Resolution 1mV Accuracy Meter 0 1 FS Other Technical Parameters Data storage 200 data groups Storage content Data serial number measurement value unit of measure Power Two AA batteries 1 5V x 2 Size and weight Meter 2 6 x 4 7 x 1 2 65 120 31mm 6 3 oz 180g Case 10 x 8 3 x 2 255 x 210 x 50mm 1 7 lbs 790g Quality Safety certification ISO9001 CE and CMC Working Conditions Enviro...

Page 11: ... 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 specif...

Page 12: ...pH300 V1 0 7 09 12 www burntec com ...

Reviews: