Hanna Instruments HI 250 Instruction Manual
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Hanna Instruments HI 250 Instruction Manual

Microprocessor-based ph/mv/c bench meter
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All manuals and user guides at all-guides.com
Instruction Manual
HI 250
HI 251
Microprocessor-Based
pH/mV/ºC
Bench Meters
w w w. h a n n a i n s t . c o m

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Summary of Contents for Hanna Instruments HI 250

  • Page 1 All manuals and user guides at all-guides.com Instruction Manual HI 250 HI 251 Microprocessor-Based pH/mV/ºC Bench Meters w w w. h a n n a i n s t . c o m...

  • Page 2: Warranty

    All manuals and user guides at all-guides.com WARRANTY HI 250 HI 251 TABLE OF CONTENTS...

  • Page 3: Preliminary Examination

    All manuals and user guides at all-guides.com PRELIMINARY EXAMINATION HI 1131B HI 7669/2W HI 76404 pH 4.01 & 7.01 HI 7071S Note: GENERAL DESCRIPTION HI 250 HI 251 HI 251 Relative mV HI 7669/2W...

  • Page 4: Functional Description

    All manuals and user guides at all-guides.com FUNCTIONAL DESCRIPTION Primary LCD Front Panel Secondary LCD mV pH TIME DATE INTV BUFFER pH READY WRONG Functions pH Calibration - 3 points Show GLP Data Start/Exit Calibration RANGE Store Log Data Select pH Buffer Confirm Calibration Recall Log Data in selected pH Buffer...

  • Page 5: Specifications

    All manuals and user guides at all-guides.com HI 250 SPECIFICATIONS – 0 . 2 0 . 6 2 – 0 0 . 0 0 . – 9 . 9 0 . 0 C º 1 . 0 1 0 .
  • Page 6 All manuals and user guides at all-guides.com HI 251 SPECIFICATIONS – – ± ± – C º ± ± C º ± ± ± ± ° F ° ± ± ± C º u l c r r e ) r o e s f ±...

  • Page 7: Operational Guide

    All manuals and user guides at all-guides.com OPERATIONAL GUIDE POWER CONNECTION Note: Note: ELECTRODE AND PROBE CONNECTIONS INSTRUMENT START-UP ON/OFF mV pH TIME DATE INTV BUFFER pH READY WRONG pH MEASUREMENTS...
  • Page 8 All manuals and user guides at all-guides.com HI 7669/2W ARROW mV/ORP MEASUREMENTS (HI 251 only) RANGE...

  • Page 9: Temperature Measurements

    All manuals and user guides at all-guides.com RELATIVE mV MEASUREMENTS (HI 251 only) RANGE TEMPERATURE MEASUREMENTS HI 7669/2W...

  • Page 10: Three-Point Calibration

    All manuals and user guides at all-guides.com pH CALIBRATION PREPARATION PROCEDURE THREE-POINT CALIBRATION BUFFER pH ARROW...
  • Page 11 All manuals and user guides at all-guides.com BUFFER pH Note: ARROW Note ARROW...

  • Page 12: Two-Point Calibration

    All manuals and user guides at all-guides.com Note: SET/CLR RANGE TWO-POINT CALIBRATION ONE-POINT CALIBRATION Note: SET/CLR...

  • Page 13: Good Laboratory Practice (Glp)

    All manuals and user guides at all-guides.com GOOD LABORATORY PRACTICE (GLP) CALIBRATION ALARM TIME-OUT HI 250 HI 251 Note: LAST CALIBRATION DATA TIME ARROW DATE...
  • Page 14 All manuals and user guides at all-guides.com Note: SET/CLR INTV...

  • Page 15: Logging Function

    All manuals and user guides at all-guides.com Note: LOGGING FUNCTION LOGGING THE CURRENT DATA...

  • Page 16: View Logged Data

    All manuals and user guides at all-guides.com VIEW LOGGED DATA RCL pH relative mV HI 251 ARROW RANGE HI 251 temperature Note: SET/CLR time TIME...
  • Page 17 All manuals and user guides at all-guides.com date DATE offset slope Note: HI 251 SET/CLR ” ” Note: ARROW SET/CLR Note...
  • Page 18 All manuals and user guides at all-guides.com S E T U P ARROW RANGE ARROW ARROW CURRENT TIME SET TIME ARROW RANGE TIME ARROW...
  • Page 19 All manuals and user guides at all-guides.com CURRENT DATE SET DATE ARROW RANGE DATE ARROW RANGE DATE ARROW pH RESOLUTION SET ARROW BEEP STATUS SET...

  • Page 20: Baud Rate Set

    All manuals and user guides at all-guides.com ARROW BAUD RATE SET ARROW SERIAL COMMUNICATION COMMAND PREFIX SET ARROW Note: HI 92000 CALIBRATION ALARM TIME-OUT SET INTV ARROW...
  • Page 21 All manuals and user guides at all-guides.com INSTRUMENT ID PARAMETER SET ARROW Note:...

  • Page 22: Temperature Calibration

    All manuals and user guides at all-guides.com TEMPERATURE CALIBRATION (for technical personnel only) CAL LOG ARROW...
  • Page 23 All manuals and user guides at all-guides.com ARROW Note: mV CALIBRATION (for technical personnel only) CFM RCL...
  • Page 24 All manuals and user guides at all-guides.com RELATIVE mV CALIBRATION (HI 251) ARROW Note:...

  • Page 25: Command Types

    All manuals and user guides at all-guides.com PC INTERFACE 92000 HI 92000 HI 920010 Note: HI 920010 HI 92000 SENDING COMMANDS FROM PC HI 920010 COMMAND TYPES > Note: SIMPLE COMMANDS RANGE CFM/GLP DOWN SET/CLR...
  • Page 26 All manuals and user guides at all-guides.com CHR n HI 251 HI 251 COMMANDS REQUIRING AN ANSWER LOD xxx LOD ALL Note: Note:...
  • Page 27 All manuals and user guides at all-guides.com pH VALUES AT DIFFERENT TEMPERATURES C º F º 1 0 . 6 8 . 1 0 . 8 1 . 1 0 . 1 0 . 8 9 . 3 1 . 6 4 .

  • Page 28: Preparation Procedure

    All manuals and user guides at all-guides.com ELECTRODE CONDITIONING & MAINTENANCE PREPARATION PROCEDURE HI 70300 HI 80300...

  • Page 29: Storage Procedure

    All manuals and user guides at all-guides.com For refillable electrodes: HI 7082 HI 8082 For AMPHEL electrodes: ® MEASUREMENT STORAGE PROCEDURE HI 70300 HI 80300 HI 7071 HI 8071 HI 7082 HI 8082 Note: PERIODIC MAINTENANCE For refillable electrodes: HI 7071 HI 8071 HI 7082 HI 8082...

  • Page 30: Cleaning Procedure

    All manuals and user guides at all-guides.com CLEANING PROCEDURE HI 7061 HI 8061 HI 7073 HI 8073 HI 7074 HI 7077 HI 8077 IMPORTANT: HI 70300 HI 80300...

  • Page 31: Troubleshooting Guide

    All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE w o l n o p / e s c x e s s e e v i y t r i e l e o r t c . e d e h t e l e o r t c...

  • Page 32: Temperature Correlation For Ph Sensitive Glass

    All manuals and user guides at all-guides.com TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS Typical Electrode Life Alkaline Error Sodium Ion Correction for the Glass at 20-25 C Concentration Error...
  • Page 33 All manuals and user guides at all-guides.com ACCESSORIES pH BUFFER SOLUTIONS ELECTRODE STORAGE SOLUTIONS ELECTRODE CLEANING SOLUTIONS ELECTRODE REFILL ELECTROLYTE SOLUTIONS...
  • Page 34 All manuals and user guides at all-guides.com ORP PRETREATMENT SOLUTIONS HI 7091L HI 7092L pH ELECTRODES HI 1043B 9.5mm DIA 12 mm 0.37" 0.5" HI 1043 120 mm 4.7" "S" VERSION HI 1053B HI 1040 12 mm 0.5" HI 1053 120 mm "S" VERSION 4.7"...
  • Page 35 All manuals and user guides at all-guides.com HI 1330B 5mm DIA 0.2" 0.2" HI 1330 120 mm 4.7" "S" VERSION HI 1331B HI 1310 8 mm 7.5mm DIA 0.3" 0.29" HI 1331 210 mm "S" VERSION 8.25" HI 1230B HI 1311 12 mm 0.5"...
  • Page 36 All manuals and user guides at all-guides.com FC 100B 12 mm 0.5" FC 100 120 mm 4.7" FC 200B 6 mm 0.25" FC 200 75 mm 2.95" FC 210B 12 mm 0.5" FC 210 120 mm 4.7" FC 220B 9.5mm DIA 12 mm 0.37" 0.5"...
  • Page 37 All manuals and user guides at all-guides.com HI 1413B 12 mm 0.5" HI 1413 110 mm 4.3" ORP ELECTRODES HI 3131B 12 mm 0.5" HI 3131 150 mm 5.9" "S" VERSION HI 3230B HI 3111 12 mm 0.5" HI 3230 120 mm 4.7" "S"...
  • Page 38 All manuals and user guides at all-guides.com EXTENSION CABLE FOR SCREW-TYPE ELECTRODES (SCREW TO BNC ADAPTER) HI 7855 SERIES CABLE CONNECTORS CONNECTOR AND 3.0 mm (0.12") CABLE WITH BNC CONNECT TO THE CONNECT TO BNC SOCKET SCREW TYPE OF THE METER ELECTRODES OTHER ACCESSORIES...
  • Page 39 All manuals and user guides at all-guides.com RECOMMENDATIONS FOR USERS...
  • Page 40 All manuals and user guides at all-guides.com SALES AND TECHNICAL SERVICE CONTACTS Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel. & Fax (02) 2758.683 Germany: Tel. (07851) 9129-0 • Fax (07851) 9129-99 Greece: Tel.

This manual is also suitable for:

Hi 251

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