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National Optical & Scientific Instruments Inc. 

6508 Tri-County Parkway 

Schertz, Texas  78154 

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

 

 
 
 
 

INSTRUCTIONS FOR 

 

MODEL 131-RLED 

 

COMPOUND MICROSCOPES 

 
 
 

 
 

 

 

 
 

 

 
 
 
 
 
 
 
 
 

Copyright © 3/31/10

 

National Optical & Scientific Instrument Inc.

 

 

Summary of Contents for 131-RLED

Page 1: ...cientific Instruments Inc 6508 Tri County Parkway Schertz Texas 78154 Phone 210 590 9010 Fax 210 590 1104 INSTRUCTIONS FOR MODEL 131 RLED COMPOUND MICROSCOPES Copyright 3 31 10 National Optical Scientific Instrument Inc ...

Page 2: ... stage clips and permits precise mechanical manipulation of the specimen slide 5 STAGE Platform of the microscope where the specimen slide is placed 6 CONDENSER LENS A specially designed condenser lens fixed in center of stage condenses light rays from substage illumination and fills the back lens element of objective lens to improve image resolution 7 DISC DIAPHRAGM Rotating disc located below st...

Page 3: ...ity knob until image is illuminated and proceed as follows c In case of equipment malfunction see Troubleshooting procedures located at the back of this manual 3 Rotate coarse focus knobs to move stage down away from objective lens as far as possible 4 Place specimen slide cover slip facing up on stage with specimen centered over condenser lens in middle of stage 5 Rotate disc diaphragm until larg...

Page 4: ...promptly wipe with soft tissue to remove moisture MAINTENANCE WARNING For your own safety turn switch to OFF position Remove adapter from the power source and detach plug from jack located at back of microscope base before maintaining microscope 1 OPTICAL MAINTENANCE Do not attempt to disassemble any lens components Consult a microscope service technician when any repairs not covered by instructio...

Page 5: ...m battery charger 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 recharger into your AC wall outlet The red LED indicator lamp located on recharger will be illuminated when batteries are receiving maximum charge After batteries are charged the red LED indicator lamp will turn to green and charger automat...

Page 6: ...wn Place slide on stage with cover slip up Slide cover slip too thick Use 0 17mm thick cover slip No 1 cover slip Poor resolution image not sharp Objective lenses dirty Clean objective lenses Eyepiece lens dirty Clean eyepiece lenses Too much light Adjust iris diaphragm Spots in field of view Eyepiece or condenser lens dirty Clean lens Specimen slide dirty Clean slide Spots in field of view can al...

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