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All units are in stock and available now. Please call or email for additional information.

NEW GRAYMARK COMPONENT KITS  
ALL NEW IN ORIGINAL PACKAGING 
See all Graymark Products    See all Solar Kits
103P Mini-Wink Neon Flasher w/PCB   
Random flash pattern; interesting displays; 6 neon lamps; AC operated
Model 103: Mini-Wink Neon Flash with PCB.
Use case # 1500 See Below

QTY. 1
9 IN STOCK 
     $ 8.95 EACH
106P Metal Detector Oscillator w/PCB
Located hidden metal objects; use with 9Vdc AM radio; tunable circuit; battery operated
Use case # 1501 See Below

 

                                                  QTY. 35 IN STOCK
    $ 8.95 EACH
109P Auto/Home Burglar Alarm w/PCB 
Use with your car horn or Graymark Model 110 or; Model 124 siren; latching circuit; battery operated
Use case #  1501 See Below
  QTY. 156  IN STOCK
     $ 8.95 EACH

112P

    Proximity Detector w/PCB
Turn lights on and off; adapt to alarm or chime circuit; SCR controlled; AC operated.
 

  Use case # 1501 See Below

 


QTY.
27  IN STOCK
     $ 9.95 EACH

  117P

 Tunable Electronic Organ w/PCB
Tunable 7-note scale

  Use case # 1500 See Below

 

 


QTY. 50  IN STOCK
    $ 11.95 EACH

 119P

  Motor Speed Control w/PCB 
Adjust motor speed to suit application; also use as light dimmer; SCR controlled; AC operated. 

 Use case # 1501 See Below

 

 


QTY. 07  IN STOCK
     $ 8.95
 EACH

 120P

 Siren/Code Oscillator
Komponent Ki
Loud, piercing siren; also practice Morse code; battery operated

 Use case # 1500 See Below

 

 


QTY. 30 IN STOCK
     $ 8.95
 EACH

 123P

  Electronic Timer w/PCB 

 Use case # 1503  See Below

 

 


QTY. 72 IN STOCK     
  
$ 12.95

 124P

 Warbling Siren w/PCB 
Two-tone oscillating siren; loud and piercing; 2 ICs; 3 to 12V operation. May use in car

 Use case # 1503 See Below

 

 


QTY. 08 IN STOCK
     $ 8.95    

  131P

Variable Power Supply w/PCB
 0-15Vdc, 300mA; regulated with zener diode and
transistor; AC operated

 Use case # 1503 See Below

 

 


QTY.
25 IN STOCK
    $ 12.95    

 136P

 Battery Checker w/PCB 

Use case # 1500 See Below 

 

 


QTY. 24 IN STOCK
     $ 8.95   

138P 

  Double Fuzz Box w/PCB  
Connect between guitar and amplifier for different sounds;
; select Fuzz 1 or Fuzz 2; includes two switches and 
gain control; battery operated
 

 Use case # 1503 See Below

 

 


QTY. 79 IN STOCK
    $ 8.95    

  140P

 AUDIO AMPLIFIER W/PCB 

  Use case # 1502 See Below  

 

 

QTY. 16 IN STOCK$ 8.95   

143P

FM WIRELESS MICROPHONE KIT

LCFTNORLC3

$ 8.95    

QTY. 125 IN STOCK

 144P

  Transistor/Diode Checker w/PCB
Test NPN or PNP transistors, LEDs, and diodes; 4 LEDs indicate short, open, or good condition;
1 IC, battery operated

 Use case # 1500 See Below

 

 


QTY. 18 IN STOCK      
     $ 8.95    

 145P

 2-IC Radio w/PCB
Big AM radio sound from just a few parts;
no alignment necessary; speaker included;
battery operated.  

 Use case # 1503 See Below

 

 


QTY. 54 IN STOCK   

     $ 12.95
 

 148P

Headlight Delay w/PCB
An extra 50 seconds of light after you park your car;
2 ICs; 12V relay; powered by car battery.

 Use case # 1500 See Below

 

 


QTY. 29 IN STOCK    

     $ 8.95
      

  151P 

Sound Activated Color Org 1Ch w/PCB
Flashing lights from sound waves;
no direct connection to sound source;
200W; AC operated.

 Use case # 1500 See Below

 

 

 
QTY. 36 IN STOCK    

    $14.95
 

  152P 

Sound Activated Color Org 3Ch w/PCB  600W or pulsing lights; no direct
connection to sound source; separate
control for each channel; AC operated.

 Use case # 1503 See Below

 

 


QTY. 28 IN STOCK
   $ 17.95  

 154P

   Happy Face LED Blinker w/PCB

 

 

 


QTY. 168
IN STOCK
     $ 8.95   

 155P

 Telephone Hold With Music w/PCB

 Use case # 1501 See Below

 

 


QTY. 20
IN STOCK
     $ 8.95 

157P

LED FLASHER

LCFTNORLC3

 

$ 8.95    
QTY. 130
IN STOCK

 159P

Function Generator w/PCB
A versatile laboratory instrument at a
fraction of the cost of conventional function
generators; provides 3 basic waveforms;
sine, triangle, square; 1Hz to 100kHz;
AC operated.
 

 Use case # 1503 See Below

 

 


QTY. 06 IN STOCK
    $ 21.75

202

CAPACITANCE SUBSTITUTION KIT

LCFTNORLC3

 

QTY. 31  IN STOCK
$ 21.95 

216

VOM KIT

 

QTY. 96  IN STOCK
    $ 19.95

218

 

DIGITAL METER KIT

 

 

QTY. 184 IN STOCK
    $ 21.95

523 STROBE KIT

 


QTY. 210 IN STOCK
    $ 24.95 

 411C

 TELEPHONE KIT

 

 

 

QTY. 114 IN STOCK
 
    $ 19.95 

 542

AM/FM Portable Radio Kit 

 

 

QTY. 210 IN STOCK
    $ 24.95 

 613A

Parallel Interface Kit 

 

 

QTY. 12 IN STOCK
    $ 21.95  

 713

GUN /TOOL CASE, METAL LOCKING
NO TOOLS.
 
 

 

 

QTY. 48 IN STOCK
    $ 39.95 

712 GUN/TOOL CASE, SOFT LOCKING, NO TOOLS.

 

QTY. 48 IN STOCK
    $ 29.95 
601A SCOOTER

 

QTY. 48 IN STOCK
    $ 19.95 
 LCFTNOR
606A SCRAMBLER

 

QTY. 96 IN STOCK
    $ 21.95 

 

 

 

 

 

 

 

 

 

 


NEW GRAYMARK COMPONENT KITS 

 
KIT CABINET KIT CABINET KIT CABINET KIT CABINET KIT CABINET KIT CABINET
102 1500 108 1501 120 1500 140 1502 148 1500 159 1503
103 1500 109 1501 123 1503 143 1501 151 1500
 

 
104 1504 110 1500 124 1503 144 1500 152 1503
 

 
105 1501 112 1501 131 1503 145 1503 154
 

 

 
106 1501 117 1500 136 1500 146 1503 155 1501
 

 
107 1503 119 1501 138 1503 147 1503 157 1500
 

 


 

1700- Cabinets
1500
Cabinet 4.6x2.7x1.7" 306 1.95
1501
Cabinet 3.94"x1.97"x1.57" 369 3.25
1502
Cabinet 4.92"x2.36"x1.57" 256 3.25
1503
Cabinet 5.71x3.35x1.97" 183 3.50
1508
Cabinet 7.09x4.33x2.36" 492 3.25
61431
Box plastic clear with hinged top 605 1.00
65832
Case for 65832 55 24.99
     
NEW GRAYMARK COMPONENT KITS  
ALL EQUIPMENT GUARANTEED,IN STOCK, AND IS AVAILABLE NOW. PLEASE
CALL MIKE BELMONTE FOR ADDITIONAL INFORMATION.
 
609-709-7471
 
emaill:
Quote@surplusmaster.com 

542: AM/FM Portable Radio
Use of test equipment optional 64-page student manual 16 PCB test points
Unsealed FM tuning section 3 IC superheterodyne circuit Perform alignment and many
experiments without expensive test equipment.
Experiment topics include amplification, dB, feedback, distortion, heterodyne, modulation,
demodulation, detector, and AFC.
The state-of-the-art circuit and modern styling with LED tuning indicator, auto-off and comfortable headphones will give years of listening pleasure. Requires two AA batteries (not included).

 

 

 

 

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