Frequency Counter

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

both use 8-bit LED display

CTCSS DCS Decoder FC 102 Frequency Counter 2 in 1
CTCSS DCS Decoder FC 102 Frequency Counter 2 in 1
$28.99
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Heathkit Frequency Counter IB 1100 with manual
Heathkit Frequency Counter IB 1100 with manual
$20.48 (3 Bids)
Time Remaining: 12h 24m

MFJ 886B Compact Handheld Frequency Counter covering 3 MHz TO 28 GHz
MFJ 886B Compact Handheld Frequency Counter covering 3 MHz TO 28 GHz
$71.00 (13 Bids)
Time Remaining: 17h 24m

HEATH ZENITH SM 2410 DIGITAL FREQUENCY COUNTER
HEATH ZENITH SM 2410 DIGITAL FREQUENCY COUNTER
$94.50
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Kenwood Dg 5 Frequency Counter
Kenwood Dg 5 Frequency Counter
$28.98 (3 Bids)
Time Remaining: 1d 12h 13m

STARTEK ATH 65 HAND HELD FREQUENCY COUNTER RF DETECTOR PRO QUALITY FROM USA
STARTEK ATH 65 HAND HELD FREQUENCY COUNTER RF DETECTOR PRO QUALITY FROM USA
$270.00
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RadioShack Frequency Counter Cat No 22 305
RadioShack Frequency Counter Cat No 22 305
$20.00
Time Remaining: 2d 19h 6m

Watkins Johnson 565 3 Receiver incl FM and DRO 315 Frequency Counter working
Watkins Johnson 565 3 Receiver incl FM and DRO 315 Frequency Counter working
$799.00
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Heathkit zenithDigital Frequency Counter Model SM 2420 Excellent condition
Heathkit zenithDigital Frequency Counter Model SM 2420 Excellent condition
$169.99
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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: 5d 5h 58m

SENCORE FC71 FREQUENCY COUNTER 10Hz 1 GHz
SENCORE FC71 FREQUENCY COUNTER 10Hz 1 GHz
$49.99
Time Remaining: 5d 15h 54m

1970s JD JAPAN MODEL 5050 RED LED DIGITAL FREQUENCY COUNTER HAM AMATEUR RADIO EX
1970s JD JAPAN MODEL 5050 RED LED DIGITAL FREQUENCY COUNTER HAM AMATEUR RADIO EX
$22.00 (5 Bids)
Time Remaining: 5d 23h 57m

RF digital power meter  frequency counter GY561 with SMA F to SMA F Cable
RF digital power meter frequency counter GY561 with SMA F to SMA F Cable
$47.99
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GY561 RF digital power meter  frequency counter for 2 Way Radio w SMA F cable
GY561 RF digital power meter frequency counter for 2 Way Radio w SMA F cable
$47.99
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NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
NEW SINOMETER VC2000 BENCH FREQUENCY COUNTER 2 Hz 24 gHz USA SHIPPING
$109.95
Time Remaining: 9d 15h 38m
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GOOIT GY560 50Mhz to 24Ghz PORTABLE FREQUENCY COUNTER radio
GOOIT GY560 50Mhz to 24Ghz PORTABLE FREQUENCY COUNTER radio
$25.50
Time Remaining: 11d 5h 39m
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RF Power Meter  Frequency Counter GY561 with SMA F to SMA F Cable
RF Power Meter Frequency Counter GY561 with SMA F to SMA F Cable
$47.99
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YAEGE FC 1 Portable Frequency Counter for Two way Radio Wide Rang 10Hz 26GHz
YAEGE FC 1 Portable Frequency Counter for Two way Radio Wide Rang 10Hz 26GHz
$53.90
Time Remaining: 16d 22h 53m
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GOOIT GY560 Portable Frequency Counter for Two Way Radio Range 50Mhz to 24Ghz
GOOIT GY560 Portable Frequency Counter for Two Way Radio Range 50Mhz to 24Ghz
$25.80
Time Remaining: 16d 22h 55m
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GOOIT GY561 Frequency Counter  Power Meter Range 1Mhz 2400Mhz
GOOIT GY561 Frequency Counter Power Meter Range 1Mhz 2400Mhz
$53.00
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50MHz LCD Frequency Counter Module with IF Offset Free UK Postage
50MHz LCD Frequency Counter Module with IF Offset Free UK Postage
$37.21
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RK560 Camo Radio Frequency Counter CTCSS DCS Decoder 50 2400MHZ with Antenna
RK560 Camo Radio Frequency Counter CTCSS DCS Decoder 50 2400MHZ with Antenna
$38.56
Time Remaining: 17d 20h 38m
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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: 17d 21h 37m
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Compact size Handheld Radio Frequency Counter 10MHz 26GHz NEW
Compact size Handheld Radio Frequency Counter 10MHz 26GHz NEW
$51.99
Time Remaining: 19d 1h 3m
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RK560 Frequency Counter CTCSS DCS Decoder for Walkie Talkie 50MHZ 2400MHZ
RK560 Frequency Counter CTCSS DCS Decoder for Walkie Talkie 50MHZ 2400MHZ
$22.99
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STARTEK ATH 70 FREQUENCY COUNTER 10HZ 28GHZ 12 HR BAT OPR
STARTEK ATH 70 FREQUENCY COUNTER 10HZ 28GHZ 12 HR BAT OPR
$370.00
Time Remaining: 19d 19h 33m
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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: 20d 59m
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GOOIT GY560 Portable Frequency Counter for PX 777 PX888
GOOIT GY560 Portable Frequency Counter for PX 777 PX888
$23.50
Time Remaining: 20d 23h 44m
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DSI C 700 FREQUENCY COUNTER 10 HZ 700 MHZ
DSI C 700 FREQUENCY COUNTER 10 HZ 700 MHZ
$49.99
Time Remaining: 21d 9h 27m
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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: 22d 8h 49m
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Ham Radio Prescaler 6 Digits Frequency Counter Kit for Repair or Parts Vtg
Ham Radio Prescaler 6 Digits Frequency Counter Kit for Repair or Parts Vtg
$79.00
Time Remaining: 22d 18h 40m
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EIP 545A 545 Frequency Counter 18 Ghz Works
EIP 545A 545 Frequency Counter 18 Ghz Works
$399.00
Time Remaining: 23d 14h 29m
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NEW STARTEK ATH 60 FREQUENCY COUNTER  RF DETECTOR
NEW STARTEK ATH 60 FREQUENCY COUNTER RF DETECTOR
$220.00
Time Remaining: 24d 21h 27m
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MFJ 886B FREQUENCY COUNTER 3 MHZ TO 28 GHZ 110 220VAC BRAND NEW
MFJ 886B FREQUENCY COUNTER 3 MHZ TO 28 GHZ 110 220VAC BRAND NEW
$127.95
Time Remaining: 25d 9h 22m
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Homebrew Ham Radio Frequency Counter 1 Hz thru 300 MHz LK
Homebrew Ham Radio Frequency Counter 1 Hz thru 300 MHz LK
$39.95
Time Remaining: 25d 11h 13m
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FC 1 Portable Frequency Counter 10Hz 26GHz for VX 7R
FC 1 Portable Frequency Counter 10Hz 26GHz for VX 7R
$64.00
Time Remaining: 26d 8h 14m
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MFJ 886B Compact Handheld Frequency Counter 3 MHz TO 28 GHz 110 220VAC
MFJ 886B Compact Handheld Frequency Counter 3 MHz TO 28 GHz 110 220VAC
$127.95
Time Remaining: 28d 18h 59m
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HEATHKIT Heath Kit DIGITAL FREQUENCY COUNTER EIA 416 IM 4100 w MANUAL Vtg
HEATHKIT Heath Kit DIGITAL FREQUENCY COUNTER EIA 416 IM 4100 w MANUAL Vtg
$139.00
Time Remaining: 29d 14h 30m
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STARTEK ATH 70 FREQUENCY COUNTER 10Hz 28GHz + TCXO + 12 HR BAT
STARTEK ATH 70 FREQUENCY COUNTER 10Hz 28GHz + TCXO + 12 HR BAT
$465.00
Time Remaining: 29d 20h 44m
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