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category： Frequency Meters
reference price：￥$33.80 - $38.00
TFC-1000L Multi-Function Precision 1GHz Frequency Meter
Features:
Novel style, lightweight.
Cycle cumulative measurement.
Both importations frequency ranges: 10Hz to 1 GHz
Highest input sensitivity: 20mVrms.
8 high brightness LED display windows, 0 to 9 characters display simultaneously in cycle a self-test function.
Stability:±3*10-9s
Specifications:
1. Measurement methods
(1) Frequency measurement
A channel
Range: 10Hz-10MHz (Direct count)
10MHz-100MHz (proportion count)
Direct count:1Hz ,10Hz,100Hz(your choice)
proportion count:10Hz ,100Hz,1000Hz(your choice)
Strobe time: 0.01s,0.1s,1s (your choice)
Accuracy: ±count value± base time error ×measured frequency
B channel
Range:100MHz-1GHz
Resolution:100Hz,1KHz,10KHz
Strobe time:0.01s,0.1s,1s
Strobe time:0.01s,0.1s,1s
(2) period measurement
Input: A channel
Range: 10Hz-10MHz
Resolution: 10-7s, 10 -8s, 10 -9s (your choice)
Accuracy: ±count value± base time error ×measured frequency
(3)accumulate measurement
Input: A channel
Range: 10Hz-10MHz
Accuracy: ±1 count impulse
(4) Self-check
Monitor: 0-9 characters of 8 digital pipe repeatedly shows
2. Input characteristics
(1)A channel
Input sensitivity: (10MHz) range: 10Hz-8MHz 20mVrms
8MHz-10MHz 30mVrms
(100MHz) range: 10MHz-8MHz 20mVrms
80MHz-100MHz 30mVrms
Attenuation: ×1, ×20 fixed
Wave filtering: low pass, 100KHz,-3dB
Impedance: about 1 MΩ (<35PF)
Max. Safety voltage: 250V (DC+AC rms)
(2)B channel
Input sensitivity: 20mVrms
Impedance: about 50 Ω
Max. Safety voltage: 3V
3. Time base
Time base frequency: 10MHz
Short-term stability: ±3×10-9/s
Long –term stability: ±2×10-5/s
Temperature Coefficient: ±1×10-5, 00C-400C
Line voltage: Each change ± 10%, the frequency variation ± 1 x 10-7 correspond
4. Power supply voltage: AC220± 10% 50Hz
5. Start time: 20 minutes (<250C)
6. Temperature: working temperature -50C-500C
Storage and transportation temperature:-400C-600C
7.Humidity:Working Humidity: 10-90% RH
Storage Humidity: 5-95% RH
8. Dimension: 230*200*75 mm
9.Weight :2Kg
