Frequency Counter
| Price: |
Negotiable/Piece |
| Trade Terms: |
FOB,CIF |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T,Paypal,Western Union |
Product Specifications
| Prod Model: |
SRC3165, SRC2000, SRC3371 / SRC3381 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Product Description
Model SRC3165 - Precision Frequency Counter
Channel A (0.01Hz ~ 50MHz)
Frequency Range: DC couple 0.01Hz to 100Hz
AC couple 100Hz to 50MHz
Sensitivity: AC: 100Hz ~ 50MHz < 50m Vrms
DC: 0.01Hz ~ 1Hz ≤ 500m Vp-p
1Hz ~ 100Hz ≤ 80m Vrms
Impedance: 1 Mohms
Attenuator: X1, X20
Max. Safety Voltage: 30V (DC/AC peak)
Channel B (50MHz ~ 2.4GHz)
Frequency Range: From 50MHz to 2.4GHz
Sensitivity: 50MHz ~ 1.2GHz ≤ 50m Vrms
1.2GHz ~ 2.4GHz > 80m Vrms
Coupling: AC only
Impedance: 50 ohms
Max. Safety Voltage: 3V
Time Base: Short-Time Stability: ± 3 x 10-9/sec
Long-Time Stability: ± 2 x 10-5/month
Temperature Drift Coefficient: ± 1 x 10-5, 10° C ~ 40° C
Line Voltage Variation: ± 1 x 10-7 for line voltage ± 10%
Gate Time: Continuously variable from 100ms to 10s
Display: 8 digits, 19 x 12.5mm LED display with steps, frequency, period, kHz/s and MHz/ms indication
Precision: Standard time error (t) x frequency (f) ± 1d
Power Supply: 110V/220V ± 10%, 50Hz or 60Hz
Preheat Time: 20 min
Operation temperature: 0° C ~ 50° C, 10 ~ 90% RH
Storage Temperature: -40° C ~ 60° C, 5 ~ 90% RH
Weight: Approx. 1.6kg
Dimensions: 270 x 215 x 100mm
Accessories: This manual, power cord, test probe
Model SRC2000 - Frequency Counter
This SRC2000 is an intelligent multi-function instrument which measures Frequency, Pulse counting, Crystal. It has 4 step gate time, 5 range function select and 8 digits display.
All functions depend on single CPU, A crystal controlled temperature circuit provides constant compensation for the temperature drifting.
Technique specifications:
A. Measurement
1. Input terminal
There are 3 input terminals on this instrument:
CHA. High frequency 50 MHz - 2, 4000 MHz
CHB. Low frequency 10Hz - 50 M Hz
Crystal Oscilloscope: For crystal measurement
Step
Function
Frequency
Resolution
0.1 S
1.0 S
5.0 S
10 S
Frequency Measurement
2400MHz - 1000MHz
1 KHz
100Hz
100Hz
100Hz
990MHz - 100MHz
1 KHz
100Hz
10 Hz
10Hz
99 MHz - 50 MHz
1 KHz
100Hz
10Hz
10Hz
50 Mhz-4 Mhz
100Hz
10 Hz
1Hz
1 Hz
2
4 Mhz - 10 Hz
10 Hz
1 Hz
0.1 Hz
0.1Hz
3
4
Counting
Max 99999999
-
-
Crystal Oscillator Measurement
16M Hz -3.5 M Hz
10 Hz
1 Hz
1 Hz
1 Hz
Gate Time: 0.1S, 1.0S, 5.0S, 10S
Accuracy: Time base deviation X frequency +- 1 d
Progressive Counting measurement
4 steps CHB input terminal
Resolution: +- 1d, counting frequency: 10Hz - 4Mhz
Crystal measurement:
Input Features:
Input sensitivity for CHA 25mVrms/200m Vrms
Input impedance: Approx. 50 Ohm
Max safety voltage 3 V
Input sensitivity for CHB: No. 2 range 25m Vrms/80 m Vrms
No. 3 range 10mVrms/30m Vrms
Input impedance: Approx. 1 M ohm ( less than 35 pF)
Max Input safety voltage: 30V
Time base:
Short term stability: +- 3 X 10-9/second
Long term stability: +- 2 X 10-5/Month
Temperature: +- 2 X 10-5/10oC - 40o C
Power: 110 - 220V
Size: 270 X 215 X100 mm
Weight: Approx. 1550 g.
Model SRC3371 / SRC3381 - Multi function Counter
Feature
Microprocessor to realize intelligent measurement;
Low pass filter and attenuator in pre-position circuit;
Count backwards, realize the equivalent accuracy
Measurement with fast speed and high sensitivity;
Micro SCM to measure freq period and intelligentize the management;
|
Specifications |
SRB3371 |
SRB3381 |
|
Frequency measurement |
1Hz - 1.5GHz |
1Hz - 3GHz |
|
Cycle measurement |
10ns-1s |
|
Count capability |
10 8 -1 |
|
Input impedance |
Channel A 1MΩ//40pF
Channel B 50Ω |
|
Input coupling mode |
AC |
|
Waveform adaptability |
Sine, triangle, pulse |
|
Dynamic of input voltage |
|
Channel A |
30mVrms - 250Vp - p |
|
Channel B |
30mVrms - 1Vrms |
|
Frequency measurement |
|
Channel A |
1Hz - 10MHz/100MHz |
|
Channel B |
100MHz - 1GHz/1.5GHz |
|
Channel A low pass filter |
-3dB bandwidth is about 100kHz |
|
Channel A attenuation |
×1 or ×20 |
|
Measurement error |
± time base error ± trigger error ±LSD
LSD=100ns/Strobe time×measured frequency (or measured period) |
|
Trig error |
When the measured signal noise is 40dB,trigger error ≤0.3% |
|
Strobe time |
10ms, 100ms, 1s, 10s |
|
Count capability |
0 - 99,999,999 |
|
Crystal vibrator freq |
10MHz |
|
Freq stability of Crystal vibrator |
1×10 -5 /d |
|
Ext input frequency |
10MHz |
|
Ext freq input amplitude |
>1Vp-p |
|
Display |
8 digits high bright, 0.5 inch numeral tube,3 units LED indicator, a strobe LED indicator and a ext freq mark LED indicator; |
|
Mechanic character |
|
Dimension |
90H×280W×240D(mm) |
|
Weight |
1.5KGS |
Shanghai Total Industrial Co., Ltd. is producing and trading moisture meter, thickness meter/gauge, coating thickness meter, gloss meter, multimeter, pH meter, refractometer, clamp meter, gas detector, thermometer, anemometer, sound level meter, lux meter, infrared thermometer, ORP meter, pH controller, ORP controller, TDS meter, automotive diagnostic tool, cable tie, stainless steel cable tie, cable clip, cable gland, cable terminal, cable lug. Hole saws, rotary burrs, twist drills, end mills.
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