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BK 104 10Hz to 3GHz Deluxe Handheld Frequency Counter / Strength Meter
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BK 104 10Hz to 3GHz Deluxe Handheld Frequency Counter / Strength Meter


BK 104
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 BK 104

Features:
  • 10 Digits LCD
  • HI-Z low range
  • Automatic hold
  • Measures frequency and period
  • LED back light
  • Beeper
  • Filter to prevent display of random noise
  • 16 Section barographs to show RF signal strength
  • 300MHz direct counter with 0.1Hz resolution
  • 4 Selectable gate speeds
  • Hold switch to lock display
  • Low battery indicators
  • Internal Rechargeable NiCd battery pack (Average 6 hour battery life)
  • AC wall charger (AC Adapter 120VAC/9VDC or 220VAC/9VDC)
  • 7 section telescopic antenna (AT-1)
  • IMPORTANT: This unit only works with analog signals


  Description

Handheld RF Counters/Detectors with Bargraph Power Meter

B&K Precision's new models103, 104 & 106 are compact, pocket sized Frequency Counters with signal strength meters.They are ideal for radio measurement, security and test applications.These small counters are unique because they offer the ability to see the strength of the signal via the digital bargraph just below the frequency displayed on the LCD. Rechargeable batteries and antenna are included.


  Models, Options, & Accessories


Model Description List Price Sale Price
104 10Hz to 3GHz Deluxe Freq. Counter/Strength Meter
$249.00 
103 1MHz to 3GHz Handheld Freq. Counter/Strength Meter
$135.00 
106 Smart RF Counter 30MHz to 2.8GHz
$229.00 
Model Accessories List Price Sale Price
AT 1 144 to 430 MHz Telescopic Antenna - Discontinued - no replacement
AT 2 150/300/450/900MHz Flexible Antenna
$13.52 
AT 3 Rubber Broadband Antenna
$15.60 
AT 4 Rubber 2.4GHz Antenna - Discontinued - suggested replacement: Cal Test AT-4
BP 10 600mAH NiCd Battery Pack 4xAA
$11.44 


  Specifications

Frequency range 10 Hz - 3 GHz
Weight 250 g
Size 100 mm high x 68 mm wide x 31 mm deep
Impedance 1 * dual purpose BNC Socket
50 Ohms input for range 1 MHz to 3 GHz
1 Meg Ohm input for range 10 Hz to 50 MHz
Case Stamped aluminum with black anodized finish
Battery Internal 4 x AA 600 mAH NiCd pack
Power 9 VDC 300 mA
Timebase Less than 1 PPM at room temperature
Input Sensitivity (typical)
Amplifier 1 Meg Ohm, 50 Ohm
Impedance 1 Meg Ohm, 30 pF, 50 Ohm VSWR less than 2:1
Range 10 Hz – 50 MHz, 1 MHz - 3 GHz
Sensitivity < 10 mV at 10 Hz – 10 MHz
< 0.8mV at 100 MHz
< 20 mV at 10 MHz – 50 MHz
< 6 mV at 300 MHz
< 7 mV at 1.0 GHz
< 100 mV at 2.4 GHz
Max. input 100 Vrms 15 dBm

Frequency Display Resolution
Range Gate Time (Seconds) LSD Sample Display
300 MHz 0.0625 10 Hz 300.00000 MHz
0.25 1 Hz 300.000000 MHz
1.0 1 Hz 300.00000 MHz
4.0 0.1 Hz 300.000000 MHz
3 GHz 0.0625 1000 Hz 3000.000 MHz
0.25 100 Hz 3000.0000 MHz
1.0 10 Hz 3000.00000 MHz
4.0 10 Hz 3000.00000 MHz


   
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