ORBECO Series 942 Instruction Manual
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ORBECO Series 942 Instruction Manual

The mini analyst
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Series 942
The Mini Analyst
Instruction Manual
942-043, Ammonia Nitrogen LR

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Summary of Contents for ORBECO Series 942

  • Page 1 Series 942 The Mini Analyst Instruction Manual 942-043, Ammonia Nitrogen LR...

  • Page 2: Safety Precautions

    MSDS (Material Safety Data Sheets). Failure could result in serious injury to the operator or damage to the instrument. MSDS: www.orbeco.com CAUTION The accuracy of the instrument is only valid if the instrument is used in an environment with controlled electromagnetic disturbances according to DIN 61326.

  • Page 3: Table Of Contents

    Table of Contents Specifications .............................3 General Description and Features ................4 Safety ............................5 Preparing for Operation......................5 General Operating Details and Techniques..............5 Range Expansion - How to Cover Higher Ranges by Diltuion.......8 Meaning of “Blank“ and “Sample“ Tubes...............8 Precautions..........................9 General Operating Instructions ................10 Important Reagent Safety and Disposal Precautions........13 Reagent Handling and Disposal ..................

  • Page 4: Specifications

    Specifications Microprocessor Capacity: Stores calibration for specified test. Temperature Range, Operating: 0 to 40 C (32 to 140 Temperature Range, Storage: -10 to 70 C (14 to 158 Power: 3 AA size alkaline batteries (supplied) Low Battery Power Indicator: Automatic, on display Automatic Power-Off: After 15 minute interval of non-use Voltage Regulation: Automatic, by internal circuit Light Source: Narrow band LED, selected for Specific Test...

  • Page 5: General Description And Features

    1.0 General Description and Features Orbeco-Hellige portable Series 942 Specific Test Mini Analyst Water Analyzers combine an advanced microprocessor-controlled pre-calibrated photometer with all-inclusive “Quick ‘n’ Easy” Reagent Outfits. You can choose from many different complete testing outfits. They are ideal for every type of water analysis..for easy regulatory monitoring, accurate process control, and fast pollution and environmental testing..in the...

  • Page 6: Safety

    1.800.922.5242 Monday - Friday between 8:00 AM - 5:00 PM Eastern Standard Time, or send an E-mail to service@orbeco.com. It will be a pleasure to help you. Remove Red Dust Cover Plug from sample tube hole before testing. (Retain it to prevent dust penetration during inactive storage).
  • Page 7 Preserving or Storing Water Samples Customary methods for preserving a sample include adjusting its pH, adding chemicals, refrigeration, or freezing. Some materials may change soon after having been sampled, and applicable instructions for these are given in the Specific Test Procedure. For details beyond those specifically noted in Section 7, refer to Part 1060 of the current edition of Standard Methods.
  • Page 8 Avoid and Eliminate Condensation Condensation can cause inaccurate results, and may damage the instrument. Generally condensation forms when the sample, or the instrument itself is brought from a colder location into a moist and warmer one. All must be allowed to come to ambient temperature. Condensation on tubes must be wiped away until the tube sides remain dry.

  • Page 9: Range Expansion - How To Cover Higher Ranges By Diltuion

    2.3 Range Expansion - How To Cover Higher Ranges by Dilution If “Dilute and Retest” appears on the display, the test result is higher than the normal range of the test. The sample must be diluted, the test repeated, and the result multiplied by the applicable “Dilution Factor, “ as follows: 1.

  • Page 10: Precautions

    2.5 Precautions Before Starting the Test: Read its entire procedure to be prepared for reagent hazard information and other special instructions Reagent Safety: We have all taken all measures possible to use only safe tablet reagents. However, several test procedures require use of hazardous liquids.

  • Page 11: General Operating Instructions

    1. To Activate the Instrument, push the On/Off switch ( ) on the faceplate. The display will read: WELCOME ORBECO-HELLIGE And will then display: MODEL 942 (NAME OF TEST) After the instrument automatically goes through its self-diagnostic steps, it will display: INSERT BLANK 2.
  • Page 12 3. After “BLANK” Tube is removed, display prompts: INSERT SAMPLE 4. Insert “SAMPLE” Tube. Display prompts: READING SAMPLE PLEASE WAIT 5. After you note the result and remove the “SAMPLE” Tube, the instrument prompts: INSERT BLANK 6. If you have NO further sample(s) to test, press the On/Off switch to shut off. If you have ADDITIONAL sample(s) to test, insert “BLANK”...
  • Page 13 9. Auto-blank permits you to speed up your testing. This unique operator-controlled feature allows quick, multiple sample readings without your having to reinsert the blank tube between each measurement To access this feature, the On/Off switch must be pressed promptly, once, in Step 1 above, when the display reads: MODEL 942 (NAME OF TEST)

  • Page 14: Important Reagent Safety And Disposal Precautions

    If you are not certain what they mean or what to do, always ask a qualified person for clarification or contact the Orbeco-Hellige Service department at 941.756.6410 or by E-mail at service@orbeco.com before proceeding.

  • Page 15: Explanation Of Safety Codes

    5. FOLLOW PROCEDURE INSTRUCTIONS EXACTLY! Do not take short cuts. Follow the steps in the order given. Make certain to correctly time the waiting period for proper reaction and color development. 6. NEVER USE YOUR MOUTH TO DRAW REAGENTS INTO PIPETTES. Always use the safety bulb provided for the purpose.

  • Page 16: First Aid

    4.4 First Aid The below Safety Codes (if applicable) are listed after the name of any hazardous reagent(s) in the “Quick ‘n’ Easy” Test at the beginning of each test procedure. Code ‘A’: (For Corrosive Acids and Alkalies): EXTERNAL- Flush eyes or skin with plenty of water for at least 15 minutes.
  • Page 17 Code 1: (Acids): Small volumes may be flushed down the drain with plenty of water. Larger volumes or concentrated solutions should be neutralized first by pouring slowly into a large volume of an agitated solution of Soda Ash and Slaked Lime or Sodium Bicarbonate before flushing down the drain. Spills should be covered with Sodium Bicarbonate.

  • Page 18: Maintenance And Trouble-Shooting

    5.0 Maintenance and Trouble-Shooting Each Series 942 Mini Analyst has been designed and constructed to give many years of trouble-free service in the lab, plant, classroom, or field. They are housed in a tough ABS enclosure which is particularly resistant to rough handling and chemical attack.
  • Page 19 A. Has the sample been taken correctly? Has it changed in value due to settling over time, exposure to heat or cold, or was it kept in a container that may have contaminated it? B. Were sample tubes clean and dry before use? Free of finger marks? Are sample tubes scratched or stained? Are bubbles clinging to insides of tubes? Is condensation on outside? Retest paying attention to these factors.

  • Page 20: Warranty

    6.0 Warranty The manufacturer warrants to the original purchaser of this instrument that it will be free of defects in material and workmanship, in normal use and service, for a period of three years from date of shipment to the original purchaser.

  • Page 21: Specific Test Instructions

    7.0 Specific Test Instructions Specific Test Procedure for Mini Analyst Model 942-043 Ammonia Nitrogen, Low Range Ranges: 0-1.0 mg/L, and higher by dilution Method: Indophenol “Quick ‘n’ Easy” Test Kit No. 975-43 contains: • RT-109, Ammonia No. 1 Tablets, (Safety Code D, 1)* • RT-110, Ammonia No. 2 Tablets, (Safety Code B, 2)* • 432-SRP, Tablet crusher * For Safety Code explanations, see Section 4. Before Starting: Read Sections 1 through 5, and all Notes below.
  • Page 24 Orbeco-Hellige, Inc. 6456 Parkland Drive Sarasota, Fl 34243 Phone: 941.756.6410 Technical changes without notice 800.922.5242 Printed in USA 08/08 Rev. 1 Fax: 941.727.9654 Orbeco-Hellige® is a registered trademark of Orbeco-Hellige, Inc service@orbeco.com www.orbeco.com...

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