Hanna Instruments HI 2400 Instruction Manual
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Hanna Instruments HI 2400 Instruction Manual

Dissolved oxygen bench meter
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Instruction Manual
Hanna Instruments Inc.
Highland Industrial Park
HI 2400
584 Park East Drive
Woonsocket, RI 02895 USA
Technical Support for Customers
Tel. (800) 426 6287
Dissolved Oxygen
Fax (401) 765 7575
E-mail tech@hannainst.com
Bench Meter
www.hannainst.com
Local Sales and Customer Service Office
w w w. h a n n a i n s t . c o m
Printed in ROMANIA
MAN2400Y 03/13
32
1

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Summary of Contents for Hanna Instruments HI 2400

  • Page 1 Instruction Manual Hanna Instruments Inc. Highland Industrial Park HI 2400 584 Park East Drive Woonsocket, RI 02895 USA Technical Support for Customers Tel. (800) 426 6287 Dissolved Oxygen Fax (401) 765 7575 E-mail tech@hannainst.com Bench Meter www.hannainst.com Local Sales and Customer Service Office w w w.

  • Page 2: Table Of Contents

    WARRANTY degrade the instrument’s EMC performance. HI 2400 is guaranteed for two years against defects in workmanship and To avoid electrical shock, do not use this instrument when voltages at the materials when used for its intended purpose and maintained according measurement surface exceed 24 VAC or 60 VDC.

  • Page 3: Preliminary Examination

    ACCESSORIES PRELIMINARY EXAMINATION HI 7040M Zero Oxygen Solution, 230 ml Remove the instrument from the packing material and examine it HI 7040L Zero Oxygen Solution, 500 ml carefully to make sure that no damage has occured during shipping. If HI 7041S Refilling Electrolyte Solution, 30 ml there is any damage, notify your Dealer or the nearest Hanna Customer HI 710005...

  • Page 4: Probe Functional Description

    Important PROBE FUNCTIONAL DESCRIPTION In order to have accurate and stable measurements, it is important that the membrane surface is in perfect condition. This semipermeable membrane isolates the sensor elements from the environment but allows oxygen to enter. If any dirt is observed on the membrane, rinse carefully with distilled or deionized water.

  • Page 5: Functional Description

    PROBE AND MEMBRANE MAINTENANCE FUNCTIONAL DESCRIPTION The oxygen probe body is made of reinforced plastic for maximum Front Panel durability. A thermistor temperature sensor provides temperature measurements of the sample. Use the protective probe cap when not in use. To replace the membrane or refill with electrolyte, proceed as follows: •...

  • Page 6: Specifications

    GLDxxxfff:Requests the records of the “xxx” lot number. The records are SPECIFICATIONS sent in frames of 10 records; “fff” is the frame number (01 first frame). (Example: Lot 13 has 53 records. The records will be 0 . 0 0 . 5 sent in 6 frames, 5 with10 records and 1 with 3 records.) .

  • Page 7: Operational Guide

    • standards information pushing the plug in and tightening the threaded ring. Probes shipped from Hanna Instruments are dry. To hydrate the probe • standard value, with sign and decimal point and prepare it for use, connect it to the (7 chars).
  • Page 8 INSTRUMENT START-UP CHR xx Change the instrument’s range according to the parameter’s value (xx): • Turn the instrument on by pressing the ON/OFF switch. • All LCD tags are displayed and a beep is generated while the • xx=06 % range instrument performs a self test.
  • Page 9 USB socket and the other to the USB port of your PC. of oxygen solubility in these situations (see pages 15-16). Note: If you are not using Hanna Instruments HI 92000 software, Remember to set the altitude and/or the salinity before taking any DO please see the following instructions.

  • Page 10: Do Calibration

    The instrument can be calibrated in maximum 2 points: 0.0% (zero calibration) and 100.0% (slope calibration). The zero calibration of the HI 2400 is very stable, therefore this procedure needs to be performed only whenever the probe or the membrane is replaced.
  • Page 11 ZERO CALIBRATION TEMPERATURE CALIBRATION (for technical personnel only) • Submerse the probe into HI 7040 zero oxygen solution and stir gently for 2-3 minutes. Each meter has been factory calibrated for temperature with the supplied • Press CAL. The “~” and “ ” tags will blink on the DO probe and is ready for measurements.
  • Page 12 LCD. • The interval for lot logging. • HI 2400 has automatic buffer recognition function. If the ARROW keys are pressed to select the desired calibration value, the automatic buffer recognition function is disabled. TO DELETE LOTS To delete a lot, use the ARROW keys to select the desired lot.

  • Page 13: Good Laboratory Practice (Glp)

    If the log space is full, the “FULL LOG” message will be displayed and GOOD LABORATORY PRACTICE (GLP) no more data will be saved. GLP is a set of functions that allows storage and retrieval of data regarding the maintenance and status of the system. All data regarding DO calibration is stored for the user to review when necessary.

  • Page 14: Setup

    • The instrument ID. LOGGING This function allows the user to log DO (in ppm or %) together with temperature automatically, for long periods of time. All logged data can be stored into a PC through the USB port. SETUP The memory used for storing the logged data is divided in 32 pages.
  • Page 15 Press CFM to save the modified value. n i l y t i ) l / C º F º Press CAL to escape without saving. l / g l / g l / g l / g l / g BEEP STATUS Press CAL when the beep status is displayed.
  • Page 16 LOG INTERVAL u t i t , e d s r e t e v o a e S l e v C º F º Press CAL when log interval is displayed. The log interval and “CFM” 0 0 3 0 0 6 0 0 9 0 0 2...

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