Aditeg AFC-8300 Multifunction Counter

Aditeg AFC-8300 Multifunction Counter

Product Features :

• Function : Measure Frequency, period, totalize
• Frequency range : 1Hz ~ 3GHz
• Period range : 10 ns ~ 1 s
• Totalize capability : 10 8 – 1
• Sensitivity : 40mV rms ( 1Hz ~ 10Hz )
• 20mV rms ( 10Hz ~ 100MHz )
• 30mV rms ( 100MHz ~ 3Hz )
• Input impedance : 1 M© / 40pF ( Channel A ) 50 © ( Channel B )
• Input Voltage : 20mV rms ~ 250Vp-p ( Channel A )
• 30 mV rms ~ 1V rms ( Channel B )
• Couple mode : AC
• Measure error : ± Time base accuracy ± Trigger error x Measured frequency ( or Period ) ± LSD
• Time base stability : ± 5 x 10 -6 / d
• Power Source : 110 ~ 127 VAC ± 10% / 220 VAC ~ 240 VAC ± 10% , 50 Hz ± 2 Hz/ 60 Hz± 2 Hz
• Dimensions ( WxHxD) : 210 x 80 x 230 mm
• Weight 1.8 Kg

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Lodestar TFC-3000U Universal Frequency Counter

Lodestar TFC-3000U Universal Frequency Counter

TFC-3000U is a digital universal frequency counter which can measure input frequency from 1Hz to 3,000MHz. As high speed processor built in, it can have a detailed resolution to 100μ Hertz when frequency is above 1Hz input. High stable TCXO is inserted in TFC-3000U, so accurate frequency measurement can to obtained even units work for a long period. Additional function includes pulse totalizing, input signal period measuring are also built in unit.

Specifications :

Display: 8 digits LED display.
Frequency unit: Red led for Hz, KHz, MHz, GHz indication.
Period unit: Red led for mS, μS, nS indicator.
Frequency range: 1Hz - 3,000MHz.
Pulse totalizing signal timing measurement: 1 - 999999999.
Gate time: 0.01s, 0.1 sec, 1 sec, 10 seconds.
Accuracy: 1 ± error of time base.
Stability: < 5ppm (0 - 50°C).
Resolution: 1nHz (10-6Hz) - 100Hz.
Internal clock frequency: 20MHz (TCXO).
Frequency range:

• (A)1Hz - 20MHz.
• (B)100KHz - 120MHz.
• (C)80MHz - 3,000MHz.

Sensitivity:

• (A)50mVrms.
• (B)25mVrms.
• (C)50mVrms.
• (D)1,000mVrms for 2.7GHz - 3GHz (TFC-3000U only).

Maximum input level:

• (A), (B) 250V p-p.
• (C) 5Vp-p.

Power consumption: AC 110V / 220V ±10% 15 watt.
Fuse rating:

• 0.5A for 110 ~ 120V operation.
• 0.25A for 198 ~ 242V operation.

Weight: App. 2.2kgs.

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ATTEN ATF-2700C Frequency Counter

ATTEN ATF-2700C Frequency Counter

Features

• 8-Digit LED display
• Few switches,for easy operation
• Quickness,high resolution
• Gate Time:0.01S/0.1S/1S
• Accuracy : ±1Hz ±1 Count Figure ±Time Base

Accuracy
1. Input sensitivity:
10Hz~8MHz:75mV(Channel 1)
8MHz~10MHz:30mV(Channel 1)
10MHz~100MHz:30mV(Channel 1)
F2700C 100MHz~2400MHz:30mV(Channel 2)
F2700C 2,4GHz~2,7GHz:30mV(Channel 2)

2. input impedance:1Mohm at channel 1, 50Mohm at channel 2
3. Max input voltage:250Vrms channel 1,5Vrms channel 2
4. Max aging rate: ±5ppm/year
5. Power input AC 220V±10%(50/60Hz)
6. Power consumption :approx.5W
7. Dimensions:230x210x76mm
8. Weight:1.8Kg

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Lutron FC-2500A Frequency Counter

LUTRON FC-2500A Frequency Counter

Description：

2.5 GHz FREQUENCY COUNTER
Model : FC-2500A          
* 3 ranges, 2500 MHz, 100 MHz, 10 MHz.             
* Frequency, Period, Hold, Relative, Max., Min., Average, 8 digits LCD.
* High sensitivity for VHF & UHF frequency.      
* Size : 173 x 80 x 35 mm, Portable type.                                               

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Lutron FC-2700 Frequency Counter

LUTRON FC-2700 Frequency Counter

Description：

2.7 GHz FREQUENCY COUNTER, Bench type       
Model : FC-2700             
* 3 ranges, 2700 MHz, 100 MHz, 10 MHz.             
* Frequency, Period, Hold, Relative, RS232.       
* TCXO O.S.C., Max., Min., Average, LCD display.            
* Size : 280 x 210 x 90 mm. Battery power.   

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GW Instek GFC-8270H Frequency Counter

GW Instek GFC-8270H Frequency Counter

Features

• Frequency and Period Measurement
• High Resolution at Both High and Low Frequency
• 0.01Hz~2.7GHz Frequency Range(GFC-8270H)
• 10mV rms High Sensitivity
• 100nHz Resolution for 1Hz Input
• Variable Trigger Level Control
• Microprocessor Controlled Intelligent Counter(only GFC-8270H)

Description :

The GFC-8000 Series performs virtually all of the counting measurements required in laboratories, in terms of both period and frequency. A bright red 8 digit LED display with an included overflow indicator provides a clear view. Both models feature a stable time base with a maximum resolution of 100nHz and 10nS at 1Hz for frequency and period measurement, respectively. Gate time can be configured for fast response (5 digits/10ms) or accuracy (7 digits/s) for more control. For high frequency needs, the GFC-8270H can operate at up to 2.7GHz. The GFC-8000 Series features easy operation with a simple front panel interface, suitable for both portable and bench-top use.

Specification :

DISPLAY
	8 digits with Hz, kHz, MHz, GHz, s, ms, μs, and overflow
GATE TIME
	Variable from 10ms to 10s, or 1 period of input depending on whichever is greater
ACCURACY
	±(resolution ± timebase error)
CHANNEL A
Range	DC coupling: 0.01Hz ~ 120MHz AC coupling: 30Hz ~ 120MHz
Sensitivity	10mV typical, 50mV maximum
Coupling	AC or DC, selectable
Filter	Low pass, selectable in or out for channel A (-3dB point, nominal 100kHz)
Impedance	1MΩ // 40pF
Attenuator	1/1 or 1/20dB
Trigger Level	-2.5VDC ~ +2.5VDC
Adjustment Resolution	For frequency measurement, the maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz inputs respectively. For period measurement, the maximum resolution is 10ns for 1Hz input, and 0.1x10-15s for 100MHz inputs respectively.
Display Accuracy	7 digits for 1 sec gate time 6 digits for 100ms gate time 5 digits for 10ms gate time
Period Range	8ns ~ 100ns (at least 7 digits displayed per gate time)
CHANNEL B
Range	50MHz ~ 2.7GHz for GFC-8270H 50MHz ~ 1.3GHz for GFC-8131H
Sensitivity	<50mVrms (10mVrms typical) for GFC-8270H <40mVrms (10mVrms typical) for GFC-8131H
Coupling	AC only
TIME BASE
Aging Rate	1ppm per month
Temperature	5ppm, 23°C + 5°C
Line Variation	0.005ppm for + 10% variation
POWER SOURCE
	AC 100V/120V/220V/230V ±10%, 50/60Hz
DIMENSIONS & WEIGHT
	230(W) × 95(H) × 280(D) mm Approx. 2.2kg

Accessories :User manual x1, Power cord x1, GTL-110 x1, GTL-101 x1

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GW Instek GFC-8131H Frequency Counter

GW Instek GFC-8131H Frequency Counter

Features

• Frequency and Period Measurement
• High Resolution at Both High and Low Frequency
• 0.01Hz~1.3GHz Frequency Range(GFC-8131H)
• 10mV rms High Sensitivity
• 100nHz Resolution for 1Hz Input
• Variable Trigger Level Control

Description :

The GFC-8000 Series performs virtually all of the counting measurements required in laboratories, in terms of both period and frequency. A bright red 8 digit LED display with an included overflow indicator provides a clear view. Both models feature a stable time base with a maximum resolution of 100nHz and 10nS at 1Hz for frequency and period measurement, respectively. Gate time can be configured for fast response (5 digits/10ms) or accuracy (7 digits/s) for more control. For high frequency needs, the GFC-8270H can operate at up to 2.7GHz. The GFC-8000 Series features easy operation with a simple front panel interface, suitable for both portable and bench-top use.

Specification :

DISPLAY
	8 digits with Hz, kHz, MHz, GHz, s, ms, μs, and overflow
GATE TIME
	Variable from 10ms to 10s, or 1 period of input depending on whichever is greater
ACCURACY
	±(resolution ± timebase error)
CHANNEL A
Range	DC coupling: 0.01Hz ~ 120MHz AC coupling: 30Hz ~ 120MHz
Sensitivity	10mV typical, 50mV maximum
Coupling	AC or DC, selectable
Filter	Low pass, selectable in or out for channel A (-3dB point, nominal 100kHz)
Impedance	1MΩ // 40pF
Attenuator	1/1 or 1/20dB
Trigger Level	-2.5VDC ~ +2.5VDC
Adjustment Resolution	For frequency measurement, the maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz inputs respectively. For period measurement, the maximum resolution is 10ns for 1Hz input, and 0.1x10-15s for 100MHz inputs respectively.
Display Accuracy	7 digits for 1 sec gate time 6 digits for 100ms gate time 5 digits for 10ms gate time
Period Range	8ns ~ 100ns (at least 7 digits displayed per gate time)
CHANNEL B
Range	50MHz ~ 2.7GHz for GFC-8270H 50MHz ~ 1.3GHz for GFC-8131H
Sensitivity	<50mVrms (10mVrms typical) for GFC-8270H <40mVrms (10mVrms typical) for GFC-8131H
Coupling	AC only
TIME BASE
Aging Rate	1ppm per month
Temperature	5ppm, 23°C + 5°C
Line Variation	0.005ppm for + 10% variation
POWER SOURCE
	AC 100V/120V/220V/230V ±10%, 50/60Hz
DIMENSIONS & WEIGHT
	230(W) × 95(H) × 280(D) mm Approx. 2.2kg

Accessories :
User manual x1, Power cord x1, GTL-110 x1, GTL-101 x1

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GW Instek GFC-8010H Frequency Counter

GW Instek GFC-8010H Frequency Counter

Features

• 10Hz ~ 120MHz Range
• 8 Digits Display (0.3"LED)
• 15mV rms High Sensitivity
• 5PPM High Stability Time Base
• Frequency and Period Measurement
• Low Pass Filter Function
• Over-Flow Indicator

Description :

Digital Frequency Counter
The GFC-8010H performs virtually most of the counting measurements required in laboratories, in terms of both period and frequency. 8 digits LED display with distinctive red color and overflow indicator provides fast and clear view. With easy operation of all functions neatly organized on the front panel, compact size suitable for both portable and bench-top usage, the GFC-8010H serves users as a handy reference.

Specification :

DISPLAY
	8 digits with Hz, kHz, MHz, GHz, S, mS, μS, nS and overflow
GATE TIME
	0.1S, 1S, 10S selectable
ACCURACY
	+(1 digit + time base accuracy)
INPUT
Sensitivity	10Hz ~ 10MHz: < 15mVrms 10MHz ~ 40MHz: < 20mVrms 40MHz ~ 80MHz: < 35mVrms 80MHz ~ 120MHz: < 50mVrms
Impedance	1MΩ//35pF
Coupling	AC coupling
Max Input	150Vrms
TIME BASE
Oscillation Frequency	10MHz
Aging Rate	+1 ppm per month
Temperature Stability	25°C + 5°C：+5 ppm
RESOLUTION
Frequency	1μHz for 10Hz input 0.1Hz for 100MHz input
Period	1ns for 10Hz input 0.1 x 10-15 for 100MHz input
POWER SOURCE
	AC 100V/120V/220V/230V ±10%, 50/60Hz
DIMENSIONS & WEIGHT
	230(W) × 95(H) × 280(D) mm Approx. 1.7 kg

Accessories
User manual x1, Power cord x1, GTL-101 x1

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