OPTO-EDU EX31 Series Instructions Manual

Biological microscope

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Version No.: V1.0
EX31 Series
Biological
Microscope
INSTRUCTIONS
This instruction manual is for the operation guide , troubleshooting and
maintenance to the EX31 series biological microscope. Please study this
manual thoroughly before operating, and keep it with the instrument. The
manufacturer reserves the rights to the modifications by technology
development. On the basis of operation ensured, technical specifications
may be subject to changes without notice.

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Summary of Contents for OPTO-EDU EX31 Series

  • Page 1 INSTRUCTIONS This instruction manual is for the operation guide , troubleshooting and maintenance to the EX31 series biological microscope. Please study this manual thoroughly before operating, and keep it with the instrument. The manufacturer reserves the rights to the modifications by technology development.
  • Page 2: Table Of Contents

    Contents EX31 Series Before Use 1. Components......................... 1 2. Assembling .......................... 5 2-1 Assembling Scheme ...................... 5 2-2 Assembling Steps ......................6 3. Operations ........................... 8 3-1 Set Illumination ......................8 3-2 Adjust Color Temperature..................... 8 3-3 LCD Display ......................... 8 3-4 Place the Specimen Slide ....................
  • Page 3: Before Use

    Before Use EX31 Series 1. Operation Notice 1. As the microscope is a high precision instrument, always operate it with care. Do not expose the microscope in the sun directly, either not in the high temperature, damp, dust or acute shake.
  • Page 4 EX31 Series 15. Any parts that can only be inspected or supplied by the manufacturer and replaced or repaired by the manufacturer's designated personnel. 16. Failure to use the equipment in accordance with the manufacturer's instructions may result in damage to the equipment.
  • Page 5: Components

    1. Components EX31 Series EX31 series biological microscope Objective Nosepiece Binocular Head Eyepiece Body Group Objective Tension Adjustment Stage Ring Koehler Illuminator Condenser Focus Arm Fine Focusing Light Adjustment Coarse Focusing Koehler Illuminator Knob Knob Knob...
  • Page 6 EX31 Series Eyepiece Gemel Binocular Head Body Group Objective Nosepiece Objective Stage Focus Arm Koehler Illuminator Condenser Fine Focusing Knob Koehler Illuminator Coarse Focusing Knob LCD Display Power Switch Color Temperature Knob...
  • Page 7 EX31 Series EX31 series biological microscope(with LED fluorescence device) Light Gemel Binocular Adjustment Fluorescent filter Head Knob Eyepiece Adjustment Knob (Reflected) Lock screw LED Fluorescence Lock screw Illuminator Light Shield Objective Objective Nosepiece Body Group Stage Focus Koehler Illuminator Condenser...
  • Page 8 EX31 Series Fluorescence Gemel Binocular Eyepiece Illuminator Head Objective Power Cord Nosepiece Stage Body Group Focus Arm Tension Adjustment Ring Koehler Illuminator External Coarse Light Adjustment Fine Knob (Transmitted) Power Socket Focusing Focusing Knob Knob...
  • Page 9: Assembling

    2. Assembling EX31 Series 2-1 Assembling Scheme Following is the Assembling Scheme, and the numbers denote the assembling order. ★ Before assembling, make sure there is no dust, dirt or other materials which will disturb it. Assemble carefully and do not scrap any part or touch the glass surface.
  • Page 10: Assembling Steps

    EX31 Series 2-2 Assembling Steps 2-2-1 Assemble Koehler Illuminator Condenser (1) Rotate the coarse focusing knob① to raise the stage to the highest position (see Fig. 4). (2) Rotate the condenser up-down knob② to lower the bracket of condenser to the suitable position.
  • Page 11 EX31 Series 2-2-3 Assemble the Eyepiece (1) Take down the cover of eyepiece tube①. (2) Insert the eyepiece② into the eyepiece tube, until it touches the surface (see Fig. 7). (3) When adjusting diopter with adjustable eyepiece, lock eyepiece with hexagon lock-screw ③...
  • Page 12: Operations

    3. Operations EX31 Series 3-1 Set Illumination 1. Put through the power and turn on the main power switch to “ON”(turn on) on the side. 2. Adjust the light adjustment knob② until the illumination is comfortable for observation. 360 °...
  • Page 13: Place The Specimen Slide

    EX31 Series 3-4 Place the Specimen Slide (1) Push the wrench① of the specimen holder backwards. (2) Place the slide② into the clip, loosen the wrench① and clamp the slide. Make sure the specimen faces up, while there is a cover glass, make sure the cover glass face up (see Fig.
  • Page 14: Adjust The Interpupillary Distance

    EX31 Series 3-8 Adjust the Interpupillary Distance When observe with two eyes, hold the base of the prism and rotate them around the axis until there is only one field of view. “。”① on the eyepiece base points to the scale②...
  • Page 15: Aperture Diaphragm

    EX31 Series 3-11 Aperture Diaphragm aperture diaphragm decides numerical aperture of the illumination system. Only when the N.A. of illumination system is matching with the N.A. of the objective, it can obtain better resolution and contrast, and also increase the depth of field.
  • Page 16: Use The Filter

    EX31 Series 3-13 Use the Filter Filter can make the background be more suitable and increase the contrast (see Fig. 24). There are four colors of filter: blue, green, yellow and white. ★ Place the filter’s rough side downward. Fig.24...
  • Page 17: Assembling And Operation Of Accessories

    4. Assembling and Operation of Accessories EX31 Series 4-1 Assembling and Operation of the LED Fluorescence Device 4-1-1 Assembling and Operation of the LED Fluorescence Illuminator (1) Fix the light shield ② on the LED fluorescence illuminator ③ with the screw ①.
  • Page 18 EX31 Series (8) Illumination: Rotate the adjustment knob② in clockwise, it will sound a “Dida” when the LED fluorescence lamp is turned on, and 关 increase the brightness in clockwise; Rotate the adjustment knob ② in counterclockwise to reduce the brightness of the LED fluorescence lamp, and turn it off until it sounds a “Dida”.
  • Page 19: Assembling And Using Of The Tv Device

    EX31 Series (last grid is "red" and the remaining seven grids are "green"). (See Fig. 31, 32) 4-2 Assembling and using of the TV Device (1) Loosen the lock screw① of trinocular head, take out the triplet dust-cover②. (See Fig. 33) (2) Take down the dust-cover of the TV adapter③.
  • Page 20: Assembling The Phase Contrast Device

    EX31 Series 4-4 Assembling the Phase Contrast Device 4-4-1 Assembling and Operation of Phase Contrast Flapper (1) Keep the phase contrast flapper① face up (upward the face with word), insert it from left to right into the condenser flapper socket as the direction of the arrow pointed (see Fig.
  • Page 21: Assembling And Operation Of Dark Field Flapper

    EX31 Series (4) Adjust centering telescope to get a clear image of phase ring and halo in field of view (see Fig. 38). (5) Center by phase contrast adjusting lever③ until halo④ center overlaps the phase ring⑤ center (see Fig. 37 and 38).
  • Page 22: Operation Of Digital Observation Head

    EX31 Series 4-7 Operation of Digital Observation Head Insert one end of USB data cable into the USB output port① on the back of observation head, and the other end into the USB interface of PC (see Fig. 41). View the microscope video by the...
  • Page 23: Troubleshooting

    5. Troubleshooting EX31 Series As the performance of microscope can’t play fully due to unfamiliar operations, the table below can provide some solutions. Problem Cause Solution 1. Optical Part Field diaphragm is not large Enlarge the field diaphragm. enough. (1) The LED light Condenser is too low.
  • Page 24 (6) The eyes feel Interpupillary distance is wrong. Adjust the interpupillary distance. tired easily. right field of view doesn’t superpose Diopter adjustment is wrong. Adjust the Diopter. with the left. 2. Mechanical Part The cover glass faces down. Put the cover glass to face up. (1) Cannot get the objective focused in Use a standard cover glass with...
  • Page 25 Turn on the LED fluorescence adjustment knob switch to bright The LED fluorescence enough, rotate the fluorescence adjustment knob switch is not filter block adjustment knob to turned on. “Fluorescence”, and check if the light source is on. (1) LED Check power cable...

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