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AFC-2500 Frequency Counter
AFC-2500 Frequency Counter
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Frequency Counter: Frequency range: 10Hz…2.5GHz, Input signal amplitude: 50mV…250Vpp; optional functions: three inputs (A - up to 2.5GHz, B – up to 500MHz, C – up to 10MHz), Data Hold, LCD display 8 digits, Relative Measurement, Data record (Max., Min., reading), Period, Auto power off, Noncontact measurement capability through antenna. Power Supply: 4x1.5V AA. Dimension: 173x80x35mm / 6.8x3.1x1.4in. Weight: 340g/0.75lb (including battery).
Manuals:
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AKTAKOM AFC-2500 compact frequency meter that can easily fit in your palm is designed to measure frequency and signal period. The use of a specialized microprocessor allows introducing a number of "smart" functions. Using the external telescopic antenna you can measure the carrier frequency of various radio transmitting devices.
Features
- High sensitivity for the VHF & UHF frequency measurement, excellent for CB hobbyist.
- Handheld & pocket size instrument
- Wide measuring range up to 2.6GHz
- Good resolution, 0.1Hz min. display unit for 10MHz range.
- Used the exclusive Microprocessor IC offered the intelligent function: Frequency, Period, Multi resolution, Data hold, Relative measurement, Data record (Max., Min., Average reading).
- Auto power off & manual power off.
- LCD display for low power consumption & clear read-out even in bright ambient light condition.
- The instrument used the low PPM crystal time base to offer high accuracy measurement.
- The optional telescoping antenna accessory can be used to pick up transmit frequencies from handheld, fixed or mobile radios such as: POLICES, FIRE FIGHTER'S, HAM, TAXI, AIRCRAFT MARINE, etc. at ranges of approaching 5 to 30 cm (depending on transmitter power, antenna obstructions, etc.).
Specifications
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Display
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13mm (0.5") LCD (Liquid Crystal Display), 8 digits.
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Measurement
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Frequency, Data hold, Relative, Memory (max., min., average), Period.
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Range
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2500MHz
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50MHz to 2500MHz (typical max. 2600MHz)
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100MHz
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5MHz to 120MHz.
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10MHz
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10Hz to 10MHz
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Period
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10Hz to 10MHz
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Resolution, Sample Time
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Ref. the following "Table for Resolution & Sample Time".
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Sensitivity (rms)
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2500MHz range
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50MHz…75MHz
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100mV
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76MHz…2500MHz
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50mV
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100MHz range
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5MHz…100MHz
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50mV
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> 100MHz to 120MHz
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100mV
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10MHz
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50mV
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Period
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50mV
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Frequency Accuracy
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± (4PPM+1d) - 23±5°C, after calibration.
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Time Base circuit
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4.194MHz quartz crystal
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Time Base Temp. Coeffic
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0.1PPM/per (typical, 23±5°C).
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Over-input
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2500MHz & 100MHz range
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Max. 5V peak to peak.
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10MHz & Period range
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Max. 250V peak to peak
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Input Connector
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BNC, female.
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Case
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Durable & strong ABS-plastic housing.
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Operating Temperature
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0 to 50°C (32 to 122°F).
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Operating Humidity
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Less than 80% RH
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Power Supply
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4 x 1.5V AA (UM-3) battery.
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Power Consumption
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2500MHz & 500MHz range
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Approx. DC 105mA
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10MHz & Period range
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Approx. DC 45mA
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AC Adapter Power Input
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Optional, 9V DC , 300 to 500mA rating, central positive for socket.
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Power Off
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Automatic power off & manual power off
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Dimension
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173x80x35mm (6.8x3.1x1.4in).
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Weight
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340g/0.75lb (including battery).
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Resolution & Sample Time
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Range
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Gate Time Select
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Resolution
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Sampling Time
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2500MHz
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FAST
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1000Hz
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0.5s
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SLOW
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100Hz
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2.75s
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SLOW (select 1)
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200Hz
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s
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SLOW (select 2)
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500Hz
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0.75s
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500MHz
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FAST
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100Hz
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0.75s
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SLOW
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10Hz
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6s
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SLOW (select 1)
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20Hz
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5s
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SLOW (select 2)
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50Hz
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1.5s
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10MHz
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FAST
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10Hz
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0.5s
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SLOW
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1Hz
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1.25s
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SLOW (select 1)
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0.2Hz
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6s
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SLOW (select 2)
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0.1Hz
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11s
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Standard Accessories
- Instruction Manual
Optional Accessories
- Telescoping RF pick-up antenna with BNC connector
- Direct probe with BNC connector & alligator clip pairs. (Be used only for the measuring frequency 500MHz)
- Soft carrying case
| AFC-2500 Frequency Counter - side view |
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| AFC-2500 Frequency Counter - top view |
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| AFC-2500 Frequency Counter - antenna |
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| AFC-2500 Frequency Counter - antenna |
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