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category： Frequency Meters
reference price：￥$35.50 - $42.00
TFC-2700L 2.7GHz High Precision Digital Frequency Meter
1.Measurement method
(1) Frequency measurement
A channel
Range: 10Hz-10MHz (direct counting)
10MHz-100MHz (scaled)
Direct counting: 1Hz, 10Hz, 100Hz (optional)
Specific column count: 10Hz, 100Hz, 1000Hz (optional)
Gate time: 0.01s, 0.1s, 1s (optional)
Accuracy: ± count value ± reference time error × measured frequency
B channel
| Type | TFC1000L | TFC2700L |
| Range | 100MHz-1GHz | 100MHz-2.7GHz |
| Resolution | 100Hz,1KHz,10KHz | 100Hz,1KHz,10KHz |
| Gate Time | 0.01s,0.1s1s | 0.01s,0.1s1s |
| Accuracy | ± count value ± reference time error × measured frequency | |
(2) Cycle range
Input: A channel
Range: 10Hz-10MHz
Resolution: 10-7s, 10 -8s, 10 -9s (optional)
Accuracy: ± count value ± reference time error × measured frequency
(3) Cumulative measurement
Input: A channel
Range: 10Hz-10MHz
Resolution: ± 1 count pulse
(4) Self-check
Display: Eight-digit digital tube 0-9 characters are displayed repeatedly at the same time
2.Input characteristics
(1) Channel A
Input sensitivity: 10MHz range: 10Hz-8MHz 20mVrms
8MHz-10MHz 30mVrms
100MHz range: 10MHz-8MHz 20mVrms
80MHz-100MHz 30mVrms
Attenuation: × 1, × 20 fixed
Filtering: Low-pass, 100KHz, -3dB
Impedance: about 1 MΩ (<35PF)
Maximum safe voltage: 250V (DC + AC rms) (ATT set × 20)
(2) B channel
Input sensitivity: 20mVrms
Impedance: about 50 Ω
Maximum safe voltage: 3V
1.Time base
2.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
3.Line voltage: For each change of ± 10%, the time base frequency changes ± 1 x 10-7 correspond
4.Power requirements: AC220 ± 10% 50Hz
5.Startup time: 20 minutes (<250C)
6.Temperature: Working temperature -50C-500C
Storage and transportation: -400C-600C
7. Humidity: Working: 10-90% RH
Storage: 5-95% RH
8.Size: 230 * 200 * 75 mm
9.Weight: 2Kg
