750 Interface, USB - CI-7650
Sorry, this product has been discontinued.
Suggested Replacement(s) are:
- 850 Universal Interface (UI-5000)
After 20 years of service in labs around the world, the 750 Interface has been retired. It has been replaced by the much more versatile 850 Universal Interface (UI-5000)
Note: Existing 750 Interfaces can be used with PASCO Capstone software.
PASCO's 750 Interface is the measurement center for the modern physics laboratory. Using a computer and the 750 Interface, students can measure force, position, temperature, pressure, angular velocity, acceleration, current, magnetic field and more. Each 750 Interface includes a built-in function generator and real-time oscilloscope mode.
Seven Input Channels:
With the 750, all 7 channels may be used simultaneously. There are no limitations on what combinations of sensors can be used. Analog and digital inputs may be mixed in any combination.
- Four Digital Channels -- Use up to 4 Photogates or 2 Rotary Motion Sensors, a photogate and Motion Sensor II, or any other combination.
- Three Analog Channels -- Max sample rate of 250,000 Hz when using a single channel.
- 250,000 Hz Sampling Rate -- Sample at 250,000 samples per second on a
single analog channel. Students will see a true, real-time oscilloscope and
incredibly responsive sound sensor data.
- Built-in 1.5 W Function Generator -- Any experiment requiring a frequency up to 50 kHz and 1.5 watt (300 mA) output can be run without additional power amplification. Output current and voltage can be monitored internally by the 750 Interface.
- 20 KHz oscilloscope -- With the 750's increased sampling rate, the
oscilloscope becomes a real-time scope with refresh rates up to 40 frames per
- Reduced Noise and More Accurate Data -- When sampling at rates less than 100 samples per second, circuit noise can be visible on a data graph. The 750 Interface provides 8X over-sampling to reduce noise and provide smoother data curves
- Ports -- 4 Digital, 3 Analog, 1 Output
- Connection -- USB
- Data Sampling -- Simultaneous Analog and Digital Recording
- Analog Rates -- Up to 250,000 samples/sec (20 kHz Oscilloscope)
- Digital Rates -- 0.1 msec digital timing accuracy (1 mm resolution for
- Function Generator -- 0-50 kHz, 1.5 W (300 mA) output
- Power Amplifier Compatible
- Designed for -- Advanced Placement and College Physics
- 12 VDC to 20 VDC at 2 A, 2.1 mm jack
- 4 identical channels, TTL compatible (8 mA max. drive current)
- Maximum input logic transition time: 500 ns
- Edge sensitive-sampled at 10 kHz. (1 µs resolution for Motion Sensor)
|Analog Input Channels
- 3 identical channels with differential inputs and 1 MOhm impedance
- ±10 V maximum usable input voltage range (±12 V absolute input voltage range)
- 3 voltage gain settings on each analog channel: 1, 10, and 100
- Small signal bandwidth up to the ADC: 1 MHz for a gain of 1, 800 kHz for a gain of 10, and 120 kHz for a gain of 100; input amplifier slew rate: 1.2 V/ µs
|Electrostatic Discharge (ESD) protected
- Both digital and analog inputs have ESD protection
|12-Bit Analog to Digital Conversion
- 5 inputs: channels A, B and C, analog output voltage and current
- Voltage resolution at ADC input: 4.88 mV (.488 mV at a gain of 10, 0.049 mV at a
gain of 100)
- Current measurement resolution: 244 µA, (1 V = 50mA) mA
- Offset voltage accuracy < ±3 mV. (For measuring full-scale voltages the total
error is less than ±15 mV, accounting for the gain error in the input
- Sample rate range: once every 3,600 seconds (250 kHz) (Conversion time for consecutive channels in a burst is 2.9 µs.)
- 8X oversampling for better accuracy at sample rates less than or equal to 100
- DC value ranges: -4.9976 V to +5.0000 V in steps of 2.44 mV
- Accuracy at the DIN connector: (±3.6 mV ±0.1% full scale)
- Peak-to-peak amplitude adjustment ranges for AC waveform: 0 V to ±5 V in steps of 2.44 mV
- AC waveform frequency ranges: 0.001 Hz-50 kHz, ±0.01%
- Maximum amplified output at the banana jacks: about 300 mA at ±5 V, current
limited at 300 mA ±12 mA