Maintenance
General Maintenance
PUSH-BUTTON STYLUS AND ASSEMBLY

Model GRM-6659/20
Replacement Stylus and chain for pushing buttons on the Model 7, Model 78, Model 12 and Model 15 Electrode Selector Modules.

TOOL KIT
Model TK205
Includes all hexagonal Allen key wrenches and a dual-head
Philips #1 and 3/16” standard flat blade screwdriver for Grass Recorders.
DUAL-HEAD SCREWDRIVER
Model SD2
Philips #1 and 3/16” standard flat blade screwdriver for Grass Recorders.
SCREW ASSORTMENT
Model PKG204
Assorted stainless steel screws for Grass
ink writing Recorders, not needed for thermal recorders.
CALIBRATOR
Model 501CA
The 501CA Calibrator is a troubleshooting aid for use with Polygraphs, EEGs and other types of recording systems. It can be used to test signal paths from input to output and provides immediate results. The 501CA is battery operated, and provides two outputs; a low level fixed 50 µV output and a variable high level output adjustable to 1 volt maximum. A switch is included to invert the signal polarity.
SPECIFICATIONS
Outputs   50 µV fixed, 1 volt adjustable (accuracy based on battery voltage, 1 volt maximum with battery discharge 5% or 8.5 volts)
Output Connectors   50 µV output via tini-phone jack, mating PLU-780 connector provided 1 volt output via BNC connector
Polarity   Selectable with toggle switch
Calibration   Normally open pushbutton; no output until button is depressed
Power
Battery   9 volt battery, alkaline recommended
Physical Size
Dimensions   2.28" W x 1.63" H x 4.25" L (5.8 cm x 4.2 cm x 10.8 cm)
Weight   5 oz. (140 g)


Model TK205

 


Model SD2


Model PKG204

 

Model 501CA

 

 

Also see Model FG220, Biomedical Function Generator.  
 

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