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FREQUENCY COUNTER
USER MANUAL
CONTENTS
1.
PRODUCT INTRODUCTION………………………………………
2.
3.
4.
5.
APPLICATION……………………………………………….
6.
MAINTENANCE……………………………………………..
6-2.Cleaning……………………………………………………
PAGE
1
2
4
4
4
5
6
9
11
11
12
FREQUENCY COUNTER
USER MANUAL
1. PRODUCT INTRODUCTION
The intelligent counters are measuring frequency and period from
the range of 0.01Hz to 120MHz on channel A, and 50MHz to
1.3(2.7)GHz on channel B.
The products also provide special features of high resolution and
sensitivity for value reading expediency.
1
Summary of Contents for GW Instek GFC-8131H
FREQUENCY COUNTER
USER MANUAL
CONTENTS PAGE
1.
PRODUCT INTRODUCTION………………………………………
1
2.
TECHNICAL SPECIFICATION……………………………
2
3.
PRECAUTIONS BEFORE OPERATION…….……………
3-1.Unpacking the Instrument………………….……………
3-2.Checking the Line Voltage…………………..………….
3-3.Equipment Installation and Operation…………………
4
4
4
5
4.
PANEL INTRODUCTION……………………..……………
6
5.
APPLICATION……………………………………………….
9
6.
MAINTENANCE……………………………………………..
6-1.Standard Method for Calibration………………………
6-2.Cleaning……………………………………………………
11
11
12
FREQUENCY COUNTER
USER MANUAL
1
1. PRODUCT INTRODUCTION
The intelligent counters are measuring frequency and period from
the range of 0.01Hz to 120MHz on channel A, and 50MHz to
1.3(2.7)GHz on channel B.
The products also provide special features of high resolution and
sensitivity for value reading expediency.
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FREQUENCY COUNTER |
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USER MANUAL |
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CONTENTS |
PAGE |
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1. PRODUCT INTRODUCTION……………………………………… |
1 |
2.TECHNICAL SPECIFICATION…………………………… 2
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3. |
PRECAUTIONS BEFORE OPERATION…….…………… |
4 |
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3-1.Unpacking the Instrument………………….…………… |
4 |
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3-2.Checking the Line Voltage…………………..…………. |
4 |
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3-3.Equipment Installation and Operation………………… |
5 |
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4. |
PANEL INTRODUCTION……………………..…………… |
6 |
5.APPLICATION………………………………………………. 9
6.MAINTENANCE…………………………………………….. 11
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6-1.Standard Method for Calibration……………………… |
11 |
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6-2.Cleaning…………………………………………………… |
12 |
FREQUENCY COUNTER
USER MANUAL
1. PRODUCT INTRODUCTION
The intelligent counters are measuring frequency and period from the range of 0.01Hz to 120MHz on channel A, and 50MHz to 1.3(2.7)GHz on channel B.
The products also provide special features of high resolution and sensitivity for value reading expediency.
1
FREQUENCY COUNTER
USER MANUAL
|
2. TECHNICAL SPECIFICATIONS |
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CHANNEL A |
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Range |
Coupling |
AC |
DC |
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FREQ A |
30Hz to 120MHZ 0.01Hz to 120MHz |
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PRID A |
8ns to 30ms |
8ns to 100s |
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50mVrms Max. to 10kHz. |
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Sensitivity |
25mVrms Max. to 80MHz. |
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35mVrms Max. to 120MHz. |
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(rms) |
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(If frequency |
10MHz, sensitivity figures are for 4 |
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stable digits of reading.) |
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Coupling |
AC or DC switchable. |
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Filter |
Low pass, switchable in or out on channel A. |
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3dB point of nominally 100kHz. |
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Impedance |
1MΩ nominal shunted by less than 40pF. |
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Attenuator |
×1 or ×20 nominal. |
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Trigger Level |
Variable between +2.5V DC and –2.5V DC. |
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Damage Level |
AC & DC ×1 |
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DC to 2.4kHz |
250V(DC+AC rms) |
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2.4kHz to 100kHz |
600kV rms Hz |
FREQ |
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100kHz |
6V rms |
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AC & DC × 20 |
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DC to 20kHz |
500V(DC+AC peak) |
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20kHz to 100kHz |
10MV rms Hz |
FREQ. |
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100kHz |
100V rms |
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CHANNEL B |
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Range |
50MHz to 1.3GHz (GFC-8131H) |
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50MHz to 2.7GHz (GFC-8270H) |
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Sensitivity |
GFC-8131H |
GFC-8270H |
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25mVrms Max. to 80MHz |
25mVrms Max. to 80MHz |
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15mVrms Max. to 700MHz |
15mVrms Max. to 1GHz |
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25mVrms Max. to 1GHz |
25mVrms Max. to 2GHz |
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40mVrms Max. to 1.3GHz |
50mVrms Max. to 2.7GHz |
FREQUENCY COUNTER
USER MANUAL
|
Coupling |
AC |
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Impedance |
50Ω |
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Max. Input Level |
3Vrms sine wave |
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General |
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Gate time displays at least 7 digits for 1s, 6 digits for |
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100ms, 5 digits for 10ms respectively. |
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Resolution |
The maximum resolution for frequency measurement is |
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100nHz for 1Hz, and 0.1Hz for 100MHz input |
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respectively, and for period measurement is 10nS for |
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1Hz, 0.1fs (f=10-15 ) for 100MHz input respectively. |
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Frequency————10MHz |
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Time Base |
Aging Rate————1ppm per month |
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Temperature———-5ppm, 23 ±5 |
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Line Voltage———±0.005ppm for ±10% variation |
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Accuracy |
±Resolution ± Time base error. |
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Gate Time |
Continuously vary from 10ms to 10s or 1 period of the |
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input depending on whichever is greater. |
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Display |
8 digits and overflow indicators |
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Operation |
0 ~40 |
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Temperature |
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Operation |
10~80% RH |
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Humidity |
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Power |
100/120/220/230±10%, 50/60Hz selectable internally. |
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Requirement |
Max. consumption power is 15VA. |
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Dimension |
Approx. 230(W) × 95(H) × 280(D) m/m. |
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Weight |
Approx. 2.0 kgs. |
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Instruction manual……………× 1 |
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Accessories |
Power cord……………………× 1 |
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Test lead GTL-101 …………..× 1 |
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GTL-110 …………..× 1 |
FREQUENCY COUNTER
USER MANUAL
3.PRECAUTIONS BEFORE OPERATION
3-1.Unpacking the Instrument
The instrument has been fully inspected and tested before shipping from the factory. Upon receiving the instrument, please unpack and inspect it to check if there is any damages caused during transportation. If any sign of damage is found, notify the bearer and/or the dealer immediately.
3-2.Checking the Line Voltage
The instrument can be applied any kind of line voltage shown in the table below. Please check the line voltage indicated in the label attached on the real panel to replace correct fuses.
WARNING. To avoid electrical shock the power cord protective grounding conductor must be connected to ground.
When line voltages are changed, replace the required fuses shown as below:
|
Line voltage |
Range |
Fuse |
Line voltage |
Range |
Fuse |
|
100V |
90-110V |
T200mA |
220V |
198-242V |
T100mA |
|
120V |
108-132V |
250V |
230V |
207-253V |
250V |
WARNING. To avoid personal injury, disconnect the power cord before removing the fuse holder.
FREQUENCY COUNTER
USER MANUAL
3-3.Equipment Installation, and Operation
Ensure there is proper ventilation for the vents in the case. If this equipment is used not according to the specification, the protection provided by the equipment may be impaired.
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FREQUENCY COUNTER
USER MANUAL
2. TECHNICAL SPECIFICATIONS
CHANNEL A
Coupling
Range
FREQ A
30Hz to 120MHZ
PRID A
8ns to 30ms
50mVrms Max. to 10kHz.
25mVrms Max. to 80MHz.
Sensitivity
35mVrms Max. to 120MHz.
(rms)
(If frequency ＜ 10MHz, sensitivity figures are for 4
stable digits of reading.)
Coupling
AC or DC switchable.
Low pass, switchable in or out on channel A.
Filter
3dB point of nominally 100kHz.
1MΩ nominal shunted by less than 40pF.
Impedance
Attenuator
×1 or ×20 nominal.
Trigger Level
Variable between +2.5V DC and –2.5V DC.
AC & DC ×1
Damage Level
DC to 2.4kHz
2.4kHz to 100kHz
＞100kHz
AC & DC × 20
DC to 20kHz
20kHz to 100kHz
＞100kHz
CHANNEL B
Range
50MHz to 1.3GHz (GFC-8131H)
50MHz to 2.7GHz (GFC-8270H)
Sensitivity
GFC-8131H
25mVrms Max. to 80MHz
15mVrms Max. to 700MHz
25mVrms Max. to 1GHz
40mVrms Max. to 1.3GHz
AC
DC
0.01Hz to 120MHz
8ns to 100s
250V(DC+AC rms)
600kV rms Hz FREQ
6V rms
500V(DC+AC peak)
10MV rms Hz FREQ.
100V rms
GFC-8270H
25mVrms Max. to 80MHz
15mVrms Max. to 1GHz
25mVrms Max. to 2GHz
50mVrms Max. to 2.7GHz
2
FREQUENCY COUNTER
USER MANUAL
AC
Coupling
50Ω
Impedance
Max. Input Level 3Vrms sine wave
General
Gate time displays at least 7 digits for 1s, 6 digits for
100ms, 5 digits for 10ms respectively.
The maximum resolution for frequency measurement is
Resolution
100nHz for 1Hz, and 0.1Hz for 100MHz input
respectively, and for period measurement is 10nS for
1Hz, 0.1fs
(f=10
Frequency————10MHz
Aging Rate————1ppm per month
Time Base
Temperature———-5ppm, 23℃±5℃
Line Voltage———±0.005ppm for ±10% variation
±Resolution ± Time base error.
Accuracy
Continuously vary from 10ms to 10s or 1 period of the
Gate Time
input depending on whichever is greater.
Display
8 digits and overflow indicators
Operation
0℃~40℃
Temperature
Operation
10~80% RH
Humidity
100/120/220/230±10%, 50/60Hz selectable internally.
Power
Requirement
Max. consumption power is 15VA.
Dimension
Approx. 230(W) × 95(H) × 280(D) m/m.
Weight
Approx. 2.0 kgs.
Instruction manual……………× 1
Power cord……………………× 1
Accessories
Test lead GTL-101 …………..× 1
GTL-110 …………..× 1
-15
) for 100MHz input respectively.
3
FREQUENCY COUNTER
USER MANUAL
CONTENTS PAGE
1. PRODUCT INTRODUCTION…………………………..…………. 1
2. TECHNICAL SPECIFICATION…………………………… 2
3. PRECAUTIONS BEFORE OPERATION…….…………...
3-1.Unpacking the Instrument………………….……………
3-2.Checking the Line Voltage…………………..………….
3-3.Equipment Installation and Operation…………………
4
4
4
5
4. PANEL INTRODUCTION……………………..…………… 6
5. APPLICATION………………………………………………. 9
6. MAINTENANCE……………………………………………..
6-1.Standard Method for Calibration………………………
6-2.Cleaning……………………………………………………
11
11
12
FREQUENCY COUNTER
USER MANUAL
1
1. PRODUCT INTRODUCTION
The intelligent counters are measuring frequency and period from
the range of 0.01Hz to 120MHz on channel A, and 50MHz to
1.3(2.7)GHz on channel B.
The products also provide special features of high resolution and
sensitivity for value reading expediency.
Note for Owners:
Guidesimo.com webproject is not a service center of GW Instek trademark and does not carries out works for diagnosis and repair of faulty GW Instek GFC-8131H equipment. For quality services, please contact an official service center of GW Instek company. On our website you can read and download documentation for your GW Instek GFC-8131H device for free and familiarize yourself with the technical specifications of device.
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