Frequency Counter

What is the relationship between the frequency counter and displayed in thermometer?

both use 8-bit LED display

Optoelectronics Handi Counter Model 2810 10Hz 3GHz Frequency Counter
Optoelectronics Handi Counter Model 2810 10Hz 3GHz Frequency Counter
$65.00 (4 Bids)
Time Remaining: 2h 33m

Mini Hanheld portable Frequency Counter Meter Detector IBQ101 LCD 50MHz 26GHz
Mini Hanheld portable Frequency Counter Meter Detector IBQ101 LCD 50MHz 26GHz
$39.90
Time Remaining: 1d 11h 26m

NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
$99.95
Time Remaining: 1d 22h 2m

Vintage Heathkit Frequency Nixie Tube counter IB 1101 with manual
Vintage Heathkit Frequency Nixie Tube counter IB 1101 with manual
$19.99 (1 Bid)
Time Remaining: 2d 1h 33m

GY560 Frequency Counter for KG UVD1P TG UV2 PX 888 TH UVF1 JT 988 FD 150A
GY560 Frequency Counter for KG UVD1P TG UV2 PX 888 TH UVF1 JT 988 FD 150A
$24.40
Time Remaining: 2d 3h 12m
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Heathkit frequency Counter Assembly Manual Wiring Diagram
Heathkit frequency Counter Assembly Manual Wiring Diagram
$18.99
Time Remaining: 2d 13h 43m
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FC 1 Frequency Counter 10Hz 26GHz for PX 888 KG UVD1P
FC 1 Frequency Counter 10Hz 26GHz for PX 888 KG UVD1P
$53.90
Time Remaining: 2d 16h 16m
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FC 1 Portable Frequency Counter for Two way Ham Radio
FC 1 Portable Frequency Counter for Two way Ham Radio
$53.90
Time Remaining: 2d 16h 17m
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GOOIT GY560 Frequency Counter for Two Way Radio
GOOIT GY560 Frequency Counter for Two Way Radio
$25.80
Time Remaining: 2d 16h 17m
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GOOIT GY561 Frequency Counter  Power Meter KG UVD1P
GOOIT GY561 Frequency Counter Power Meter KG UVD1P
$53.00
Time Remaining: 2d 16h 17m
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HF Frequency Counter for Ham Radio Maximum frequency about 50MHz green PCB
HF Frequency Counter for Ham Radio Maximum frequency about 50MHz green PCB
$25.00
Time Remaining: 3d 4h 38m
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MFJ 888 FREQUENCY COUNTER DELUXE 10HZ 3GHZ  BRAND NEW
MFJ 888 FREQUENCY COUNTER DELUXE 10HZ 3GHZ BRAND NEW
$198.95
Time Remaining: 3d 18h 24m
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NEW STARTEK ATH 70 FREQUENCY COUNTER 10HZ 28GHZ
NEW STARTEK ATH 70 FREQUENCY COUNTER 10HZ 28GHZ
$370.00
Time Remaining: 5d 3h 26m
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NEW STARTEK ATH 60 FREQUENCY COUNTER  RF DETECTOR
NEW STARTEK ATH 60 FREQUENCY COUNTER RF DETECTOR
$220.00
Time Remaining: 5d 4h 55m
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RADIO SHACK RF LCD FREQUENCY COUNTER 22 305
RADIO SHACK RF LCD FREQUENCY COUNTER 22 305
$30.00 (1 Bid)
Time Remaining: 5d 17h 33m

ELENCO Model F 2800 Portable Frequency Counter F 2800
ELENCO Model F 2800 Portable Frequency Counter F 2800
$19.99 (1 Bid)
Time Remaining: 5d 23h 38m

FC 1 Portable Frequency Counter 10Hz 26GHz for VX 7R
FC 1 Portable Frequency Counter 10Hz 26GHz for VX 7R
$64.00
Time Remaining: 6d 15h 42m
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VINTAGE HEATHKIT DIGITAL FREQUENCY COUNTER EIA 416 IM 4100 w ASSEMBLY MANUAL
VINTAGE HEATHKIT DIGITAL FREQUENCY COUNTER EIA 416 IM 4100 w ASSEMBLY MANUAL
$144.08
Time Remaining: 6d 17h 30m
Buy It Now for only: $144.08

Digital Frequency Counter FC30BT
Digital Frequency Counter FC30BT
$0.99 (1 Bid)
Time Remaining: 6d 19h 17m

ACL Astro Communications receiver systems Frequency counter signal display unit
ACL Astro Communications receiver systems Frequency counter signal display unit
$800.00
Time Remaining: 6d 19h 28m
Buy It Now for only: $1,100.00

Connex 3300 FHP 10 Meter Amateur Radio w built in Frequency Counter
Connex 3300 FHP 10 Meter Amateur Radio w built in Frequency Counter
$199.00
Time Remaining: 7d 21h 31m
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Trio Kenwood TS 830 TS 530 Frequency counter and display X54 1540
Trio Kenwood TS 830 TS 530 Frequency counter and display X54 1540
$92.45
Time Remaining: 9d 17h 42m
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NEW STARTEK ATH 65 FREQUENCY COUNTER RF DETECTOR BLUE LED DIGITS
NEW STARTEK ATH 65 FREQUENCY COUNTER RF DETECTOR BLUE LED DIGITS
$270.00
Time Remaining: 11d 22h 22m
Buy It Now for only: $270.00

Frequency Counter With Pre Amp You Build It 5 or 6 Digit read out 0 to 50 MHZ
Frequency Counter With Pre Amp You Build It 5 or 6 Digit read out 0 to 50 MHZ
$29.95
Time Remaining: 11d 23h 34m
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Vintage Ham Radio Prescaler  6 Digits Frequency Counter  Free Shipping
Vintage Ham Radio Prescaler 6 Digits Frequency Counter Free Shipping
$97.75
Time Remaining: 14d 22h 4m
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RK560 Frequency Counter Meter CTCSS DCS decoder for radio 50MHZ 2400MHZ
RK560 Frequency Counter Meter CTCSS DCS decoder for radio 50MHZ 2400MHZ
$35.90
Time Remaining: 15d 2h 55m
Buy It Now for only: $35.90

RF digital power metre with frequency counter GY561
RF digital power metre with frequency counter GY561
$47.99
Time Remaining: 16d 4h 22m
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Portable Frequency Counter with CTCSS DCS Decoder FC 102
Portable Frequency Counter with CTCSS DCS Decoder FC 102
$29.99
Time Remaining: 16d 4h 22m
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RF digital power meter with frequency counter GY561
RF digital power meter with frequency counter GY561
$47.99
Time Remaining: 16d 4h 22m
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Heathkit Heath Zenith SM 2420 Digital Frequency Counter SM 2420
Heathkit Heath Zenith SM 2420 Digital Frequency Counter SM 2420
$75.00
Time Remaining: 16d 23h 10m
Buy It Now for only: $75.00

HEATHKIT IM 4100 DIGITAL FREQUENCY COUNTER w Manual
HEATHKIT IM 4100 DIGITAL FREQUENCY COUNTER w Manual
$139.99
Time Remaining: 17d 15h 32m
Buy It Now for only: $139.99

ZIPPER CASE FOR STARTEK FREQUENCY COUNTERS
ZIPPER CASE FOR STARTEK FREQUENCY COUNTERS
$9.90
Time Remaining: 17d 22h
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Heath Zenith SM 2410 Digital frequency counter CLEAN WORKING
Heath Zenith SM 2410 Digital frequency counter CLEAN WORKING
$120.00
Time Remaining: 19d 22h 49m
Buy It Now for only: $120.00

NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
$99.95
Time Remaining: 20d 1h 36m
Buy It Now for only: $99.95

Heathkit zenithDigital Frequency Counter Model SM 2420
Heathkit zenithDigital Frequency Counter Model SM 2420
$169.99
Time Remaining: 20d 15h 12m
Buy It Now for only: $169.99

GOOIT GY560 Portable Frequency Counter for PX 777 PX888
GOOIT GY560 Portable Frequency Counter for PX 777 PX888
$24.50
Time Remaining: 21d 10h 21m
Buy It Now for only: $24.50

GOOIT Portable Frequency Counter for 2 Way Radio GY560
GOOIT Portable Frequency Counter for 2 Way Radio GY560
$20.50
Time Remaining: 21d 10h 24m
Buy It Now for only: $20.50

GY560 Frequency Counter for KG UVD1P TG UV2 PX 888
GY560 Frequency Counter for KG UVD1P TG UV2 PX 888
$24.50
Time Remaining: 21d 10h 25m
Buy It Now for only: $24.50

NEW STARTEK ATH 70 FREQUENCY COUNTER + TCXO + BLUE DISP
NEW STARTEK ATH 70 FREQUENCY COUNTER + TCXO + BLUE DISP
$465.00
Time Remaining: 21d 16h 59m
Buy It Now for only: $465.00

GY560 Frequency Counter for Two Way Radio Transceiver GSM 50 MHz 24 GHz
GY560 Frequency Counter for Two Way Radio Transceiver GSM 50 MHz 24 GHz
$16.50
Time Remaining: 22d 1h 39m
Buy It Now for only: $16.50

GY560 Frequency Counter for UV 5R UV 5RA UV 5RB UV 5RC UV 5RD UV 5RE Plus radio
GY560 Frequency Counter for UV 5R UV 5RA UV 5RB UV 5RC UV 5RD UV 5RE Plus radio
$24.40
Time Remaining: 23d 6h 17m
Buy It Now for only: $24.40

Heath Zenith SM 2410 Digital frequency counter
Heath Zenith SM 2410 Digital frequency counter
$135.44
Time Remaining: 23d 20h 19m
Buy It Now for only: $135.44

Yaege FC 1 Plus Handheld Frequency Counter 10Hz 26GHz power meter
Yaege FC 1 Plus Handheld Frequency Counter 10Hz 26GHz power meter
$56.90
Time Remaining: 24d 11h 38m
Buy It Now for only: $56.90

Handheld Frequency Counter 2006st 10Hz 26GHz w TCXO
Handheld Frequency Counter 2006st 10Hz 26GHz w TCXO
$32.99
Time Remaining: 24d 16h 50m
Buy It Now for only: $32.99

YAEGE FC 2 Frequency Counter for UV 5R UV 5RA UV 5RB 6R PX 777 PX 888 KG UVD1P
YAEGE FC 2 Frequency Counter for UV 5R UV 5RA UV 5RB 6R PX 777 PX 888 KG UVD1P
$48.40
Time Remaining: 25d 2h 32m
Buy It Now for only: $48.40

50MHz LCD Frequency Counter Module with IF Offset
50MHz LCD Frequency Counter Module with IF Offset
$50.34
Time Remaining: 26d 19h 33m
Buy It Now for only: $50.34

FLL RF Frequency Counter BUILT Frequency Meter  IF Offset User definable
FLL RF Frequency Counter BUILT Frequency Meter IF Offset User definable
$21.99
Time Remaining: 27d 6h 27m
Buy It Now for only: $21.99

RK560 Frequency Counter CTCSS DCS Decoder for Walkie Talkie 50 2400MHZ
RK560 Frequency Counter CTCSS DCS Decoder for Walkie Talkie 50 2400MHZ
$36.80
Time Remaining: 28d 5h 5m
Buy It Now for only: $36.80

60MHz LCD Frequency Counter Module  IF Offset User definable  UART USB Read
60MHz LCD Frequency Counter Module IF Offset User definable UART USB Read
$21.99
Time Remaining: 28d 9h 50m
Buy It Now for only: $21.99

Compact size Handheld Radio Frequency Counter 10MHz 26GHz NEW
Compact size Handheld Radio Frequency Counter 10MHz 26GHz NEW
$60.49
Time Remaining: 29d 8h 30m
Buy It Now for only: $60.49

Mini Hanheld portable Frequency Counter Meter Detector IBQ101 LCD 50MHz 26GHz
Mini Hanheld portable Frequency Counter Meter Detector IBQ101 LCD 50MHz 26GHz
$46.90
Time Remaining: 29d 11h 42m
Buy It Now for only: $46.90