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Features |
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Frequency measuring range : 0.1 Hz to 100 MHz in A
input / 80 MHz to 1.5 GHz in C input |
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Period and Total measurement for input
A |
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RPM measurement for input A |
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9 Digit display with 0.01 mHz resolution
in 1 Sec. |
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RS-232C serial interface function for
communicating with computer |
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High sensitivity External reference
input function( Higher than 1.5 Vrms) |
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Reciprocal technique for high resolution
at low counting frequencies |
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Self check function executed to perform
a automatic self diagnosis of various counter function |
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Push-scanning for selecting Function
and Gate time |
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Low-pass filter(100 kHz, -3 dB) installed
for removing noise signal in low frequency measuring |
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AC/DC coupling function ( Selectable
AC/DC Coupling ) |
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10:1 Input Attenuation ( Selectable
x1/x10 Attenuator ) |
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Data hold function |
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Block Diagram |
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Specification |
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Display
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9 digit large green LED display, Overflow, Gate time,
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| mHz, Hz, kHz, MHz, nS, uS, mS, S, HOLD |
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| Frequency
Measurement |
Range |
Input A,B: 0.1Hz-100MHz, Input C: 80MHz-1.5GHz |
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| Gate Time |
0.01Sec, 0.1Sec, 1Sec, 10Sec |
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| Resolution |
1nHz to 10Hz |
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| Accuracy |
+/-Resolution +/- TimebaseError +/- 1count |
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| Input Characteristics
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Terminal |
A, B, C |
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| Sensitivity |
A, B Input : 30mVrms , C input : 30mVrms |
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| Impedance |
A, B input : 1 Mohm, ¡ç40pF , C input : 50 ohm |
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| Max. Input Voltage |
A, B input : 250mVrms, C input : 3Vrms |
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| Attenuator |
A, B input : x1, x10 |
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| Low Pass Filter |
A,B input : 100kHz, -3dB |
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Multi Function
for input A
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Period |
Range : 10mSec to 10Sec |
| Resolution : 1pSec to 1nSec depending on |
 Gate
time and Input Signal |
| Accuracy : +/- Resolution +/- Trigger Error +/- 1count |
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| Totalize |
Range : 5Hz to 10MHz |
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Count capacity : 0 to 999999999(Max) |
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| RPM |
6 RPM to 900 x 106 RPM |
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Time Base
Characteristics
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Internal
Timebase |
Frequency : 10MHz TCO (TCXO ; Option) |
| Aging Rate : Less than 5x10-6/month |
| Temperature Stability : Less than 5 x10-6 (0 to +
50¡¤C) |
| Line Voltage : Less than 1x10-6 for 10% variation |
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| Frequency |
Frequency : 10MHz |
| Standard Output |
Amplitude : 1.5Vp-p |
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Impedance ; Approx. 600 ohm |
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| External |
Frequency : 10MHz |
| Standard Input |
Input Level : 1.5Vrms to 5Vrms |
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Impedance ; Approx. 600 ohm |
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General
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Power |
115/230VAC +/- 10% ,48 to 66Hz |
| Requirement |
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| Operating |
0 to 50 ¡¤C (Accuracy specified at 25 +/-
5 ¡¤C) |
| Temperature |
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| Dimension |
240(W) x 270(D) x 90(H)mm |
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| Weight |
Approx. 2.5 kg |
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| Standard |
Power cord, BNC cable, Fuse, Instruction
manual |
| Accessories |
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