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National Optical & Scientific Instruments Inc. 

11113 Landmark 35 Drive 

San Antonio, Texas  78233 

Phone (210) 590-9010   Fax (210) 590-1104 

 

 
 
 

INSTRUCTIONS FOR 

 

MODEL 158-LED 

 

COMPOUND MICROSCOPES 

 
 

 
 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Copyright © 11/09/04

 

National Optical & Scientific Instrument Inc. 

 

Содержание 158-LED

Страница 1: ...entific Instruments Inc 11113 Landmark 35 Drive San Antonio Texas 78233 Phone 210 590 9010 Fax 210 590 1104 INSTRUCTIONS FOR MODEL 158 LED COMPOUND MICROSCOPES Copyright 11 09 04 National Optical Scientific Instrument Inc ...

Страница 2: ...erpupillary adjustment grips located on both left and right side of diopter scale Mark on side of eyepiece tube for indexing diopter reading Head locking screw Arm of microscope stand Knobs controlling X and Y movement of mechanical stage Coarse focus knob Fine focus knob Power on off switch Tension adjustment collar behind focus knob on left side Rack stop adjustment screw Knurled locking screws ...

Страница 3: ...son repack in the styrofoam container and then pack the styrofoam in other corrugated shipping container for optimum protection Use of the styrofoam alone will not provide adequate protection in transit and will void your warranty DESCRIPTION OF COMPONENTS 1 EYEPIECE ocular lens Lens closest to the eye magnifies the primary image formed by the objective lens One eyepiece is equipped with a pointer...

Страница 4: ... into DC recharging socket located on back of microscope base Your automatic switching recharger operates on 100 to 240 volts AC 50 60 Hz Plug charger into your AC wall outlet Battery recharger is equipped with an automatic trickle charge feature the red LED indicator lamp located on recharger will be illuminated when batteries are receiving maximum charge After batteries are charged the red LED i...

Страница 5: ...base limiting the light output 2 When using 4x and 10x objectives the special neutral filter must be in optical path 3 When using the higher power 40x and 100x objectives remove filter from optical path 4 To remove filter grasp filter holder knob and swing out filter holder h Changing magnification 1 Rotate revolving nosepiece to position 10x objective into optical path 2 This microscope has been ...

Страница 6: ... rack stop socket set screw With fine focus adjustment at mid range focus on standard slide until sharp image is obtained Rotate rack stop set screw in clockwise direction until tight tighten locking nut b Coarse focus tension adjustment prevents the stage from drifting down from its own weight and causing the image to move out of focus This has been adjusted at the factory but over the course of ...

Страница 7: ...ours so you don t have to do this exercise very often To open the illuminator field lens housing use hex wrench supplied with your microscope to loosen hex screw on side of lens housing Remove lens housing to expose LED bulb Remove bulb by grasping the plastic base of bulb and gently pulling straight up Insert new LED bulb replace lens housing and tighten hex screw to secure lens housing in place ...

Страница 8: ... service for 1 year from date of purchase It does not cover damage resulting from abuse or misuse repairs or alterations performed by other than the manufacturer or damage occurring in transit Software 90 day limited warranty Manufacturer warrants software to be free from defects in material and workmanship under normal use and service for 90 days from date of purchase Other than set forth above N...

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