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OHAUS ST300 Service Manual - Service Manual

Other manuals for ST300: Instruction Manual
Manual is about: STARTER Portable

Summary of ST300

  • Page 1

    Service manual starter portable meter st300 st300c st300d st400d ohaus corporation, 7 campus drive, suite 310, parsippany, nj 07054 (973) 377-9000

  • Page 2: Service Manual

    Service manual starter portable meter st300 st300c st300d st400d the information contained in this manual is believed to be accurate at the time of publication, but ohaus corporation assumes no liability arising from the use or misuse of this material. Reproduction of this material is strictly prohi...

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    Table of contents ohaus corporation www.Ohaus.Com i starter 2100/3100/3100c service manual page no. Chapter 1 getting started 1.1 introduction ..............................................................................................................1-1 1.2 definition of signal words and symbol ....

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    Table of contents valor ™ 7000 series service manual ii ohaus corporation www.Ohaus.Com list of illustrations figure no. Title 1-1 starter 300 display ..............................................................................................1-5 1-2 starter 300c display .............................

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    Chapter 1 getting started starter series portable meter service manual 1-1 ohaus corporation www.Ohaus.Com 1.1 introduction this service manual contains the information needed to perform routine maintenance and service on the ohaus starter st300, st300c, st300d and st400d series portable meters. Fam...

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    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-2 starter series portable meter service manual 1.3 safety precautions. Service should only be performed by authorized personnel. Use electrostatic protection measures when handling the printed circuit board. Remove the aaa batteries before ...

  • Page 7

    Chapter 1 getting started starter series portable meter service manual 1-3 ohaus corporation www.Ohaus.Com 1.6 specifications complete specifications for the ohaus starter portable meters are listed in table 1-1. When a meter has been serviced, it must meet the specifications listed in the table. Be...

  • Page 8

    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-4 starter series portable meter service manual model st400d measurement range % 0.0 to 200.0% mg/l 0.00 to 20.00mg/l (ppm) temp. 0 to 50 °c measurement resolution % 0.1% mg/l 0.01 mg/l temp. 0.1 °c accuracy ± 0.2 mg/l ( ± 0.3 mg/l (8 to 20 ...

  • Page 9

    Chapter 1 getting started starter series portable meter service manual 1-5 ohaus corporation www.Ohaus.Com 1.7 meter operation – starter st300 this section contains information on the basic operation of the starter st300 meter. 1.7.1 overview of the controls displays figure 1-1. St300 display 1 elec...

  • Page 10

    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-6 starter series portable meter service manual table1-2. Control functions st300 notes: 1 short press: press less than 1 seconds. 2 long press: press and hold for more than 2 seconds. 3 press and hold the off button until off is displayed, ...

  • Page 11

    Chapter 1 getting started starter series portable meter service manual 1-7 ohaus corporation www.Ohaus.Com 1.8 meter operation – st300c this section contains information on the basic operation of the st300c meter. 1.8.1 overview of the controls displays figure 1-2. St300c display 1 endpoint stabilit...

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    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-8 starter series portable meter service manual table 1-3. Control functions st300c notes: 1 short press: press less than 1 seconds. 2 long press: press and hold for more than 2 seconds. 3 press and hold the off button until off is displayed...

  • Page 13

    Chapter 1 getting started starter series portable meter service manual 1-9 ohaus corporation www.Ohaus.Com 1.9 meter operation – st300d this section contains information on the basic operation of the starter 3100c meter. 1.9.1 overview of the controls displays figure 1-3. St300d display 1 electrode ...

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    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-10 starter series portable meter service manual table1-4. Control functions st300d.

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    Chapter 1 getting started starter series portable meter service manual 1-11 ohaus corporation www.Ohaus.Com 1.10 meter operation – st400d this section contains information on the basic operation of the starter 3100c meter. 1.10.1 overview of the controls displays figure 1-4. St400d display 1 time: h...

  • Page 16

    Chapter 1 getting started ohaus corporation www.Ohaus.Com 1-12 starter series portable meter service manual table 1-5. Control functions st400d button press & release press & hold for 2 seconds - start or endpoint measurement (manual endpoint mode) - confirm setting, confirm entered value for settin...

  • Page 17

    Chapter 2 maintenance procedures starter series portable meter service manual 2-1 ohaus corporation www.Ohaus.Com 2.1 preventive maintenance attention: remove the aaa batteries before cleaning the meter. Ohaus meters are precision instruments and should be carefully handled, stored in a clean, dry, ...

  • Page 18

    Chapter 2 maintenance procedures ohaus corporation www.Ohaus.Com 2-2 starter series portable meter service manual 4. Before separating the top housing from the bottom housing remove the keypad membrane connector which connected to the main pcba. Take note and handle the housing rubber ring with care...

  • Page 19

    Chapter 2 maintenance procedures starter series portable meter service manual 2-3 ohaus corporation www.Ohaus.Com 3. After removing the two screws gently remove the battery spring from the housing in order to lift up and replace the main pcba. (see figure 2-3) 4. After removing the battery spring ge...

  • Page 20

    Chapter 2 maintenance procedures ohaus corporation www.Ohaus.Com 2-4 starter series portable meter service manual 2.5 replacing st400d main pcba internal battery. St400d equip with date and time features so there is a replaceable button battery type cr2032 on the main pcba. 1. Follow instruction 2.3...

  • Page 21

    Chapter 3 reset to factory settings starter series portable meter service manual 3-1 ohaus corporation www.Ohaus.Com 3.1 recover factory settings for st300, st300c and st300d proceed as below:  when the meter is off, press and hold button-read & button-cal & button-exit simultaneously for 3 seconds...

  • Page 22

    Chapter 4 reset to factory settings ohaus corporation www.Ohaus.Com 3-2 starter series portable meter service manual 3.2 error message 3.2.1 error message st300 error 0 memory access error reset to factory settings error 1 self-diagnosis failed repeat the self-diagnosis procedure and make sure that ...

  • Page 23

    Chapter 3 reset to factory settings starter series portable meter service manual 3-3 ohaus corporation www.Ohaus.Com 3.2.3 error message st300d error 0 memory access error reset to factory settings error 1 self-diagnosis failed repeat the self-diagnosis procedure and make sure that you finish pressi...

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    Chapter 4 reset to factory settings ohaus corporation www.Ohaus.Com 3-4 starter series portable meter service manual recall memory fail meter displays "no data" when recall memory while no data memorized yet. The current data set has already been stored once meter displays" already saved!" a measure...

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    Chapter 4 parts lists & diagrams starter series portable series service manual 4-1 ohaus corporation www.Ohaus.Com this section of the manual contains exploded views of the starter st300, st300c, st300d and st400d portable meter. The exploded view drawings are designed to identify the parts which ca...

  • Page 26

    Chapter 4 parts lists & diagrams ohaus corporation www.Ohaus.Com 4-2 starter series portable series service manual 4.1 st300, st300c and st300d portable meter: parts figure 4-1. St300, st300c and st300d: parts. Table 4-1 st300, st300c and st300d meter: parts drawing item description 1 sp housing sta...

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    Chapter 4 parts lists & diagrams starter series portable series service manual 4-3 ohaus corporation www.Ohaus.Com 4.2 st400d portable ph meter: parts figure 4-2. St400d: parts table 4-2 st400d meter: parts drawing item description 1 sp housing starter 400d 2 sp overlay st400d en 3 sp overlay st400d...

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    * 30257132 * p/n 30257132a service manual: starter portable series.