Denville Scientific MZ180 Series User manual

MZ180 Series

ZOOM STEREO MICROSCOPE

USER’S MANUAL

Denville Scientific Inc.

P. O. Box 4588

Metuchen, NJ 08840-4588

908-757-7577 FAX 908-757-7751

www.denvillescientificcom

INTRODUCTION:

The MZ180 Series zoom stereo microscopes adapt multifunction design and excellent

manufacturing technology to make the outstanding products. These instruments have

been built to offer reliable performance at a competitive price. The superb quality and

affordable price make the MZ180 Series ideal instruments for a variety of industrial,

medical, veterinary, educational or special applications.

SHIPPING:

The unit is shipped in a Styrofoam container, which is placed, into a cardboard box.

Examine the shipment for evidence of abuse and retain all packing material until the unit

has been tested. If damage has occurred, contact the carrier immediately. Your warranty

specifically excludes damage during shipping.

UNPACKING:

Carefully open the carton and verify that the shipment is complete. If necessary, refer to

your purchase order for the microscope configuration. Assure that no hidden damage has

occurred. If any parts are missing, please call Denville Scientific customer service at

800-453-0385 or e-mail us at info@Denville scientificsci.com. Please be ready with the

serial #, date of purchase and name of supplier.

ASSEMBLY:

Place the instrument on a stable, clean desk with access to an electrical outlet. Unless

otherwise specified, please follow these general installation directions: (for model

MZ156 stereo microscope with boom stand, please refer to the boom stand installation in

this manual).

1. Put the stand on a smooth and stable surface or working table.

2. If you have purchased a unit with a diascopic base, put the diascopic base on the

table first and then attach the stand. There are two locking screws, one in the

front underneath the diascopic base and on in the back with the transmitted light

adapter. Tighten the two screws so that the diascopic base is securely locked onto

the stand.

3. Loosen the zoom body locking screw on the focusing mount where the zoom

body goes. Put the zoom body into the mount.

4. Rotate the body to the direction you want the eyepiece tubes to face. Lock the

body with the locking screws.

5. Insert the eyepieces in the eyetubes of the zoom body.

6. IMPORTANT: Before you plug the power cord into an electrical outlet, make

sure that the output voltage of the outlet matches the input voltage requirement of

the instrument. Then insert the power plug into the electrical socket.

BOOM STAND INSTALLATION:

Boom stand includes base, vertical pole, fitting block, locking ring, horizontal pole with

5/8” hole at end. An Allen key is supplied for tightening universal arm or 25mm post to

the horizontal pole. The 25mm post is needed for focusing mount.

For model MZ155 microscope package, universal arm is included with boom stand.

MZ156 microscope package include boom stand, 25mm post and focusing mount.

Following the steps below to set up the boom stand:

1. First put the heavy metal base on a stable surface. Install the vertical pole into the

base (thread-on) and remove the cap on the other end of the vertical pole.

2. Slide the locking ring onto the vertical pole and lock it in place about half way

down the pole.

3. Put the fitting block onto the vertical pole 2 inches above the locking ring and

lock the fitting block with the knob.

4. Slide the horizontal pole into the fitting block tight it with the locking knob.

5. Put back the cap back onto the top of the vertical pole.

6. The vertical pole can be locked to the base by tightening the screw on the back

side of the base.

7. If universal arm is used, insert the 5/8” knuckle of the universal arm into the end-

hole on the horizontal pole. Lock it with Allen key.

8. If 25mm post and focusing mount are used, first insert the 25mm post into the

end-hole and lock it. Then slide focusing mount into the 25mm post. Lock the

focusing mount with the locking knob on back of the focusing mount.

Boom Stand

(showed Universal Arm and 25mm Post)

(1) Heavy Metal Base

(2) Vertical Pole

(3) Locking Ring

(4) Fitting Block

(5) Lock Knobs

(6) Horizontal Pole

(7) Universal Arm

(8) Allen Key

(9) 25mm Post

OPERATION:

PROCEDURES OF STAND FOCUSING ADJUSTMENTS

1. Place the specimen you wish to view and examine. If you have ordered an

illumination stand, plug the power cord to the proper power outlet. If the

specimen is opaque, you need to use black/white stage plate. Select one side of

the black and white plates to give you the best contrast.

2. Use the focusing knob to locate and focus on the surface of the specimen. There

are two kinds of stands. One is pole-type and another is solid stand. If you have

pole-type stand, you may need to slide the whole focus assembly up and down on

the pole by loosening the locking screw. After you have set the focus assembly at

the most proper position for your application, tighten the locking screw.

PROCEDURE OF ZOOM BODY ADJUSTMENTS AND SETTING

1. Interpupillary Adjustment: Adjust the interpupillary distance until you get a single

non-overlapping image by rotating the binocular eyepiece tubes to adjust the

interpupillary distance.

2. Focusing: The Stereo microscope allows the observer to see the object’s image in

three dimensions. This means the viewer is able to perceive height and depth of a

specimen. To do this, the images coming from the binocular eyepieces must be

formed in a single image for the observer. After the interpupillary distance has

been properly set, the eyetube diopters need to be adjusted. This adjustment

allows the focus to remain sharp in both eyepieces through the whole zoom range.

Please follow the procedures to set the zoom body:

A) Rotate the zoom body to the highest power (4.5x). Set the diopters on

both eyepiecetube to “0”. Then use the focusing knobs on the microscope

to focus sharply on the specimen.

B) Rotate the zooming mechanism to get the lowest power (0.7x). DO NOT

TOUCH the focusing knob on the stand.

C) Look through the right eyepiece; rotate the eyetube until the image is

precisely in focus (the diopter is now properly set). Do the same for the

left eyepiece to set the diopter.

D) Bring the zoom body to the highest power again. If the image is not in

sharp focus, adjust the focusing mechanism to bring the specimen in

focus. The image should remain sharp throughout the entire zoom range.

TENSION ADJUSTMENT OF FOCUSING KNOB

The tension of the focusing knob have bee properly pre-adjusted. However you may

readjust the focusing tension of the focusing knob to your desired level. Follow the

procedures below:

Increase Focusing Tension:

To increase the focusing tension, hold the left knob with your left hand; use your

right hand to turn the right knob clockwise. To check the tension, release your left

hand and rotate the knob with either or both hands in the same direction. If it is

not tight enough, repeat the above step until the proper tension is set.

(Note: If the tension is too tight, please follow the “Decrease Focusing Tension”

procedure to adjust it)

Decrease Focusing Tension:

To decrease the focusing tension, hold the left knob with your left hand; use your

right hand to turn the right knob COUNTER clockwise. To check the tension,

release your left hand and rotate the knob with either or both hands in the same

direction. If it is not loose enough, repeat the above step until the proper tension is

set.

(Note: If the tension is too loose, please follow the “Increase Focusing Tension”

procedure to adjust it)

MAINTENANCE AND CARE:

GENERAL:

1. During both operation and storage, avoid airborne contaminants and moisture.

2. Protect the instrument with a dust cover when it is not in use.

3. DISCONNECT the power cord before replacing the lamp. Allow the lamp to

cool before replacing it.

CLEANING:

1. Use filtered air and a camel hair brush to remove dust particles from the optical

surfaces.

2. For routine cleaning, use a clean cotton swab and lens cleaner.

3. For difficult spots or stains, use a lens cleaning solution designed for coated optics

and a clean lint-free cloth or lens tissue.

MZ180 Series Microscope

Model MZ155 (shown)

Eyepiece

Focusing knobs

Eyepiece tube with Diopter adjustment

Top illumination

Zoom body

Stage clips (Specimen holder)

Stand

Stage plate

Zoom knobs

Base illumination

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