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The BOS Series comprises
dual-channel oscilloscopes with
frequency bandwidths of
40 to 100 MHz at -3 dB, a maximum
sweep of 10 ns, a maximum
sensitivity of 1 mV/DIV, and
150 mm rectangular CRT with
internal graticule.
These oscilloscopes are rugged,
easy to operate, and highly reliable.
They are ideal for research, production, and electronics
applications. The BOS converts a
high-input differential voltage
(≤1300 Vp) into a low voltage
(≤6.5V).
Optional accessories include
differential voltage probes, which
provide a safe means of measuring
a floating potential.
| Models | BOS-200 | BOS-205 | BOS-350 | BOS-355 | BOS-605 |
|---|
| Cathode Ray Tube | 6" diagonal, rectangular screen with internal graticule 8 x 10 DIV (1 DIV = 1 cm), B31 phosphor, 2 kV acceleration voltage | 6" diagonal, rectangular screen with internal graticule 8 x 10 DIV (1 DIV = 1 cm), B31 phosphor, 12 kV accel voltage |
| Vertical Deflection |
|---|
| Bandwidth | DC to 20 MHz (-3 dB) | DC to 40 MHz (-3 dB) | DC to 60 MHz (-3 dB) |
| Sensitivity | 1 mV/DIV to 1 V/DIV (5 MHz, -3 dB), x5 gain selected 5 mV/DIV to 5 V/DIV | 1 mV/DIV to 1 V/DIV (10 MHz, -3 dB), x5 gain selected 5 mV/DIV to 5 V/DIV | 1 mV/DIV to 1 V/DIV (15 MHz, -3 dB), x5 gain selected 5 mV/DIV to 5 V/DIV |
| Attenuator | 1-2-5 sequence, 10 step with variable control |
| Input Impedance | 1 MΩ ±2%, 25 pF ± 10% |
| Max Input Voltage | 400 V (DC + AC peak) |
| Rise Time | About 17.5 ns | About 8.8 ns | About 5.8 ns |
| Overshoot | Less than 5% |
| Operation Mode | CH 1, CH2, DUAL (ALT, CHOP) |
| Algebraic Addition | CH 1 + CH 2, CH 1 - CH 2 |
| Inverter | CH 2 Only |
| Horizontal Deflection |
|---|
| X-Y Mode | Switch slectable using X-Y switch; CH 1: X axis, CH 2: Y axis |
| Accuracy | X Axis: ±6%, Y Axis: ±3% |
| Bandwidth | DC to 1 MHz (-3 dB) |
| X-Y Phase Difference | Approx. 3 degrees at 50 kHz |
| Sweep System |
|---|
| Sweep Display Mode | Main, Mix | Main, Mix, Delay | Main, Mix | Main, Mix, Delay | Main, Mix, Delay |
| Hold-Off Time | 5:1 continuously variable |
| Main Sweep |
|---|
| Sweep Speed | 0.1 ?s/DIV to 2.0 s/DIV in 1-2-5 sequence, 23 steps |
| Accuracy | ±3% |
| Variable Time Control | 5:1, uncalibrated, continuously variable between steps |
| Sweep Magnification | 10x, ±10%, extended sweep speed up to 10 ns/DIV |
| Delay Sweep |
|---|
| Sweep Speed | 0.1 ?s/DIV to 2.0 s/DIV in 1-2-5 sequence, 23 steps | 0.1 ?s/DIV to 2.0 s/DIV in 1-2-5 sequence, 23 steps |
| Accuracy | ±3% | ±3% |
| Sweep Magnification | 10x, ±10%, extended sweep speed up to 10 ns/DIV | 10x, ± 10%, extended sweep speed up to 10 ns/DIV |
| Delay Timeposition | Variable control to locate desirable waveform for extending | Variable control to locate desirable waveform for extending |
| Triggering |
|---|
| Trigger Coupling | AUTO, NORM TV-V, TV-H | AUTO, NORM TV-V, TV-H |
| Trigger Source | CH 1, CH 2, ALT, LINE, EXT | CH 1, CH 2, ALT, LINE, EXT |
| Slope | ± | ± |
| Trigger Sensitivity |
|---|
| Coupling | TV-V, TV-H, Auto, Nom |
| Bandwidth | DC to 1 kHz, 1 kHz to 100 kHz , 100 Hz to 20 MHz, 100 Hz to 20 MHz |
| Interior | 1.0 DIV, 1.5 DIV, 1.0 DIV, 0.5 Vp-p |
| Exterior | 0.5 Vp-p |
| Dimensions | 324 W x 398 D x 132 mm H (12.75 x 15.67 x 5.20") |
| Net Weight | Approx. 7.6 kg (16.75 lb) |
| Rated Range of Use | 10 to 35°C (50 to 95°F), 10 to 80% RH |
| Component Test |
|---|
| Test Voltage | Max 6 Vrms (open circuit) | Max 6 Vrms (open circuit) |
| Test Current | Max 11 mA (shorted) | Max 11 mA (shorted) |
| Test Frequency | Line frequency | Line frequency |
| Components | Capacitor, inductor, diode, transistor, zener, etc. | Capacitor, inductor, diode, transistor, zener, etc. |
| CH 2 Output |
|---|
| Output level | 100 mV (no load), 50 mV/DIV (with 50 Ω load) |
| Bandwidth | 20 Hz to 20 MHz | 20 Hz to 40 MHz | 20 Hz to 60 MHz |
| Graticule Illumination | Adjustable |
| Calibrator | Square wave about 1 kHz, 2 V p-p ±3% | Square wave about 1 kHz, 2V p-p ±3% |
| Z-Modulation | Positive TTL signal, low-level blank intensity at any intensity, high-level unblank any intensity | Positive TTL signal, low-level blank intensity at any intensity, high-level unblank any intensity |
| Trace Rotation | Adjustable on front panel Adjustable on front panel |
| Power Source | 110 to 130V (800 mA fuse), 200 to 260V (600 mA fuse) 50/60 Hz selectable |
| Power Consumption | Approx. 38 W |
| Limits of Operation | 0 to 50°C (32 to 122°F), 10 to 80% RH |
| Storage Environment | -30 to 70°C (-22 to 158°F), 10 to 90% RH | |
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† All dollar amounts on this site are shown in US currency.
Note: Comes with power cord, 110V fuse, 220V fuse, plastic screwdriver, 2 probes.
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HOS-MS420: |
| Digital Oscilloscope 20 MHz 2-Channel |
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