National optical & scientific instruments inc. 6508 tri-county parkway schertz, texas 78154 phone (210) 590-9010 fax (210) 590-1104 instructions for 160 series compound biological microscopes copyright © 1/2/01 national optical & scientific instrument inc..
Models 160 (monocular head), 161 (dual head), 162 (binocular head), 163 (trinocular head), all have the same stand and stand features…only the head portion differs…illustrated is model 162. Sliding interpupillary adjustment, grips located on both left and right side of diopter scale mark on side of ...
3 introduction thank you for your purchase of a national microscope. It is a well built, precision instrument carefully checked to assure that it reaches you in good condition. It is designed for ease of operation and years of carefree use. The information in this manual probably far exceeds what yo...
4 and carefully remove eyepieces, rubber eyeshields, vertical viewing eyepiece tube, filters, fuse and dust cover. D. Un-wrap the components, making certain that lens surfaces do not come in contact with dust, dirt, fingerprints. Damage to optical surfaces can result from such contaminants, and redu...
5 a. Trinocular head provided with a three position sliding rod to direct light through microscope. The three position sliding rod (b) allows user to easily direct microscope image into desired path. 1) rod pushed completely into head; 100% of microscope image is directed to binocular eyepieces. 2) ...
6 c. Focusing the microscope. 1. Position the 4x objective lens into the optical path, making sure that lens is properly indexed in its click- stop position. 2. Place standard specimen slide (cover slip up) on top of stage surface. A. Swing moveable finger on slide holder outward. Place specimen sli...
7 objective specification chart objective n.A. Color code ring field of view magnification din 4x 0.10 red 4.5mm 40x din 10x 0.25 yellow 1.8mm 100x din 40x 0.65 blue 0.45mm 400x din 100x 1.25 white 0.18mm 1000x 8. When finished viewing, all parts that come in contact with oil must be cleaned. Failur...
8 proceed with operation of camera according to manufacturers directions. C. To mount a digital c-mount camera, optional accessory #930-005 video adaptor (d.) is required. This adaptor has a 0.5x lens which assures image parfocality when viewed through a video monitor. Observe that video adaptor has...
9 5. Cleaning condenser lens. Clean only the top lens surface, visible when looking through hole in top of stage. Use same procedure as used for eyepiece or objective lenses. 6. Illuminator condenser lens. Use same procedure as used for eyepiece or objective lenses. B. Electrical maintenance warning...
10 troubleshooting electrical problem reason for problem solution light fails to operate outlet inoperative. Ac power cord not connected. Lamp burned out. Fuse burned out. Fuse burns out too soon. Fuse blows instantly when replaced. Incorrect lamp used improper voltage or base. Have qualified servic...
11 optional accessories and parts: #610-160 wf10x eyepiece #610-160r wf10x eyepiece w/reticle, 10mm/100div. #704-160 din 4x objective lens, 0.10 n.A. #710-160 din 10x objective lens, 0.25 n.A. #740-160 din 40x objective lens, 0.65 n.A. #799-160 din 100x objective lens, 1.25 n.A. #704-160asc din 4x s...
