| Frequency | | |
| Frequency Range: | 0.005Hz to 5MHz in 7 overlapping decade ranges with fine adjustment by verniers. | |
| Vernier Range: | 1000:1 on each range | |
| Frequency Locking | | |
| Operating Range: | 0.5Hz to 5MHz with vernier setting within 10% to 100% of range maximum. | |
| Locking Accuracy: | Better than 0.01% of displayed value | |
| Display | LCD, 8 digits (11mm high) plus 14 annunciators | |
| Meter Functions (generator mode) | | |
| Frequency: | Auto-ranging reciprocal measurement giving 4 digit resolution for frequencies down to 1Hz; maximum resolution is 0.001Hz. Accuracy ±1 digit 0.2Hz to 5MHz; accuracy ±1% of range full scale below 0.2Hz | |
| Amplitude: | Display shows peak-to-peak amplitude or rms value. Display corrected for attenuator setting. 3-digit resolution, accuracy typically 5% of range. | |
| DC Offset: | 3-digit resolution; accuracy typically ±2% of setting ±1 digit. Display corrected for attenuator setting | |
| Outputs | | |
| Main – 50Ω | | |
| Amplitude | 2mV to 20V peak-peak open circuit (1mV to 10V peak-peak into 50Ω) in four switch selectable ranges with 20dB vernier control within each range | |
| Attenuator Ranges: | 0dB, -20dB, -40dB, -60dB | |
| DC Offset Range: | ±10V from 50Ω. DC offset plus signal peak limited to ±10V (±5V into 50Ω). DC offset plus waveform attenuated proportionally by the attenuator. | |
| Main – 600Ω | Alternative output socket offering the same facilities as the 50Ωsocket. | |
| Aux Out | 0 to 5V TTL/CMOS logic levels capable of driving 2 standard TTL loads. Frequency, symmetry and phase as main outputs | |
| Sweep Out | 3V ramp from 600Ω | |
| External Counter | | |
| Frequency Range: | 5Hz to 20MHz, fully autoranging | |
| Input Sensitivity: | 50mV rms (sinewave) | |
| Input Impedance: | 1MΩ/25pF | |
| Measurement Time: | Selectable 0.5s or 5s | |
| Resolution: | 6 digits in 0.5s; 7 digits in 5s | |
| Accuracy: | ±1 digit ±timebase accuracy | |
| Timebase Accuracy: | ±10ppm initial error; ±5ppm/year ageing rate; typically less than 0.5ppm/°C. Adjustment point for closed-case recalibration | |
| Operating Modes | | |
| Specifications apply for the top decade of each frequency range and maximum output into 50Ω termination. | | |
| Sine | | |
| Distortion: | <0.5% on 500, 5k and 50k ranges; <1% on 5, 50 and 500k ranges; all harmonics >25dB below fundamental on 5M range. | |
| Amplitude Flatness: | ±0.2dB to 200kHz; ±2dB to 5MHz | |
| Triangle | | |
| Linearity | Better than 99% to 200kHz | |
| Square Wave | | |
| Rise and Fall Times: | <45ns | |
| Mark - Space Ratio: | 1:1 ± 1% to 100kHz | |
| DC | | |
| Range: | ±10V unterminated | |
| Symmetry | | |
| Symmetry Range: | Variable typically 1:9 to 9:1 (on top decade of each range), frequency divided by 10. | |
| Sweep Modes | | |
| Internal | | |
| Sweep Range: | >1000:1 within each range | |
| Sweep Rate: | Adjustable, typically 20ms to 20 secs. | |
| Sweep Mode: | Linear or logarithmic. Sweep start and stop frequencies displayed by button press. | |
| External | | |
| Input Impedance: | 10kΩ | |
| Input Sensitivity: | 0 to 3V for 1000:1 sweep | |
| Max. Input Voltage: | ±10V | |
| Sweep Linearity: | Better than 1% | |
| Max. Voltage Rate: | 0.1V/µs | |
| Amplitude Modulation | | |
| Depth: | Variable 0 to 100% | |
| Frequency: | 400Hz (internal). DC to 100kHz (external) | |
| External Sensitivity: | Approx. 2V peak-to-peak for 50% modulation | |
| General | | |
| Power Requirements | | |
| Input Voltage: | 230V or 115V nominal 50/60Hz by internal adjustment; operating range ±14% of nominal. Installation Category II. | |
| Consumption: | 25VA max. | |
| Environmental & Mechanical | | |
| Operating Range: | +5°C to +40°C, 20% to 80% RH. | |
| Storage Range: | –10°C to +65°C | |
| Environmental: | Indoor use at <2000m, Pollution degree I | |
| Safety: | Complies with EN601010-1 | |
| EMC: | Complies with EN50081-1 & EN50082-1 | |
| Size: | 260(W) x 88(H) x 235(D)mm | |
| Weight | 1.9kg approx. | |
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