| Technical Specifications |
| Input A Characteristics |
| Frequency Range | 0.1 Hz to 100 MHz (DC coupled)
30 Hz to 100 MHz (AC coupled) |
| Sensitivity | 30 mV rms |
| Coupling | AC or DC selectable. |
| Impedance | 1 MΩ resistance shunted by < 40 pF |
| Attenuator | x1 or x10 switch selectable |
| Low Pass Filter | -3 dB point at approx. 100 KHz, switch selectable |
| Accuracy | ± Time base error ± resolution (Table 1) |
Resolution and Number of Displayed Digits
| Time Base Selector | INT | EXT | INT | EXT | INT | EXT | INT | EXT | | Gate Time | 0.01S | 0.1S | 1S | 10S | | Number of Display Digits | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | | Frequency (Input A) | Resolution | | 0.1 Hz-0.99 Hz | 10 µHz | 1 µHz | 1 µHz | 0.1 µHz | 0.1 µHz | 10nHz | 10nHz | 1nHz | | 1 Hz-9.9 Hz | 0.1mHz | 10 µHz | 10 µHz | 1 µHz | 1 µHz | 0.1 µHz | 0.1 µHz | 10nHz | | 10 Hz-99 Hz | 1 mHz | 0.1mHz | 0.1mHz | 10 µHz | 10 µHz | 1 µHz | 1 µHz | 0.1 µHz | | 100 Hz-999 Hz | 10mHz | 1 mHz | 1 mHz | 0.1mHz | 0.1mHz | 10 µHz | 10 µHz | 1 µHz | | 1 KHz-9.9 KHz | 0.1 Hz | 10 mHz | 10 mHz | 1 mHz | 1 mHz | 0.1 Hz | 0.1 mHz | 10 µHz | | 10 KHz-99 KHz | 1 Hz | 0.1 Hz | 0.1 Hz | 10 mHz | 10 mHz | 1 mHz | 1 mHz | 0.1mHz | | 100 KHz-999 KHz | 10 Hz | 1 Hz | 1 Hz | 0.1 Hz | 0.1 Hz | 10 mHz | 10 mHz | 1 mHz | | 1 MHz-9.9 MHz | 100 Hz | 10 Hz | 10 Hz | 1 Hz | 1 Hz | 0.1 Hz | 0.1 Hz | 10 mHz | | 10 MHz-99 MHz | 1 KHz | 100 Hz | 100 Hz | 10 Hz | 10 Hz | 1 Hz | 1 Hz | 0.1 Hz | | 100MHz | 10 KHz | 1 KHz | 1 KHz | 100 Hz | 100 Hz | 10 Hz | 10 Hz | 1 Hz |
(Table 1) |
Max. Input Voltage Level
Fig. 1 Max. Input Level (Input A) |
| Period Range | 10 nS to 10 S |
| Display | n/µ/m (nano/micro/milli) Sec. with decimal point |
| Total Range | 10 Hz to 30 MHz |
| Capacity | 0 to 999 999 999, OVER FLOW: "OF" |
| RPM Range | 600 to 600 x 106 RPM, OVER FLOW: "OF" |
| Input C Characteristics |
| Frequency Range | 80 MHz to 3.5 GHz |
| Sensitivity | 15mV from 80 MHz to 2000 MHz
20mV from 2000 MHz to 3.0 GHz
30mV from 3.0GHz to 3.2GHz
50mV from 3.2GHz to 3.5GHz |
| Coupling | AC only |
| Impedance | 50 Ω ±5% |
| Max. Input Level | 3 V rms sine wave |
Resolution and Number of Displayed Digits
| Time Base Selector | INT | EXT | INT | EXT | INT | EXT | INT | EXT | | Gate Time | 0.01S | 0.1S | 1S | 10S | | Number Of Displayed Digits | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | | Frequency (Input C) | Resolution | | 100 MHz-999 MHz | 10 KHz | 1 KHz | 1 KHz | 100 Hz | 100 Hz | 10 Hz | 10 Hz | 1 Hz | | 1 GHz-3.7 GHz | 100 KHz | 10 KHz | 10 KHz | 1 KHz | 1 KHz | 100 Hz | 100 Hz | 10 Hz |
(Table 2) |
| Time Base Characteristics |
| Type | TCO (Temperature Controlled Oscillator) |
| Frequency | 10.000000 MHz |
| Stability | ±1 PPM (±1 count) |
| Line Voltage Stability | Less than ± 1 PPM with ± 10% line voltage variation |
| Temperature Stability | ±5 PPM from 0°C to 50°C |
| Max. Aging Rate | ±5 PPM/year |
Int. Std. Out
Level
Capacitance | 10 MHz (Internal Standard Frequency Output)
1 V p-p or more. TTL (10TTL)
15pF |
Ext. Std. In
Level
Impedance | 10 MHz (External Standard Frequency Input)
1.5Vrms to 5Vrms
Approx. 600Ω |
| Display Characteristics |
| Display | Nine Digit 0.56" LED with M (Mega) or K (Kilo) Hz; nano, micro, or milli (n/µ/m) Sec.; GT (GATE TIME); H (HOLD); and OF (OVERFLOW) indicators. FUNCTION and GATE TIME are user selected. OF display is shown when the count exceeds 999 999 999. |
| Hold | In the FREQUENCY, PERIOD, TOTAL, RPM modes, measurement in progress is stopped; and the last complete measurement is displayed. When HOLD is released, a new measurement begins. |
| Gate Time | Depending on input frequency
< 10 mS --------- Somewhere between 0.9 and 9mS
< 0.1 S ----------- Somewhere between 9 and 90mS
< 1 S -------------- Somewhere between 90 and 900mS
< 10 S ------------ Somewhere between 0.9 and 9S |
| Note: Last measurement display will remain for 10 seconds after signal off. |
| Dimensions and Weight |
| Dimensions (WxHxD) | 9.4 x 3.5 x 10.6" (240 x 90 x 270mm) |
| Weight (Approx) | 5.5lbs. (2.5 kg.) |
| Equipment Ratings |
| Power | 115VAC±10%, 50-60 Hz, 9 W |
| Plug and Socket | 3 wire ac power plug and 3 wire outlet |
| Fuse | 500 mA/ 250V F type |
Operating Environment | Temperature | 0 °C to +40 °C (Accuracy Specified at 23 °C ± 5 °C) | | Humidity | up to 85% RH (Relative Humidity) to 40 °C without temperature extremes causing condensation within the instrument. |
|
Storage Environment | Temperature | -20°C to +70°C | | Humidity | below 85% RH |
|
| Insulation Category II | Portable equipment of local level. |
| Pollution Degree | 2 |
| Protection to IEC 529 | Ordinary |
| Note: Specifications are subject to change without notice. |
