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| DI-740 Series Data
Acquisition Systems |
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FEATURES:
• Designed for amplified transducer-based
applications like load, pressure/vacuum,
acceleration, displacement, level, force
and rotational position
• Sleek Packaging Measures Only
2½ × 7 × 9 Inches
• Printer port interface is standard,
USB or Ethernet interfaces are optional
• Up to 16-bit resolution. |
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Product Highlights
The DI-740 Series is a family of instruments with the
purpose of simplifying self-amplified, transducer-based
measurements. Above all, the DI-740 was designed to offer
convenience by providing its own isolated field excitation
per channel and data acquisition in one instrument.
Use the DI-740 for amplified transducers such as those
used to measure pressure, vacuum, load/force, torque,
displacement, acceleration, position and more. Examples
of these applications include stamping presses, hydraulic
systems, pump and compressor systems, automotive tests,
rolling mills, liquid-level sensing and injection molding.
The DI-740 is ideal for both desktop and portable computer
users who need a flexible data acquisition solution for
measurements using self-amplified transducers. Its super
compact size allows it to be used in areas with limited
spaces such as machinery, automobiles, aircraft, the shop
floor, etc. Its standard port design allows it to be used
with laptop or desktop PCs and eliminates the need to
open computers, or worry about base address, interrupt
or DMA configurations.
Use with Process Current or Voltage Output Transducers
The DI-740 features a per-channel programmable gain range
of 1, 2, 4 and 8. Each DI-740 input channel can be programmed
to measure ±10, ±5, ±2.5, or ±1.25
VFS, respectively. In addition, the DI-740 has a built-in
250W shunt resistor per channel for process-current mode
transducers. With its isolated 28 VDC power supply per
channel, it allows you to connect virtually any model
voltage or current output, self-amplified transducer.
Isolation eliminates or greatly reduces errors caused
by common mode voltages when multiple transducers are
connected.
Connects to your PC's Printer, USB or Ethernet
Port
DI-740 instruments are available with printer port, Ethernet,
and universal serial bus (USB) communication interfaces.
All instruments have a 25-pin male printer port connector
for EPP, bi-directional, or standard mode parallel port
communication with your PC. (Standard mode not available
on USB or EN models.) Options add Ethernet communication
capability with a 10base-T Ethernet connector, or a USB
port for universal serial bus communication. The optional
communication interfaces cannot be used concurrently with
the printer port.
250kHz Burst Sampling A/D
Connect to DC or near-DC signals like static-pressure
and loads or other slow process variables. Sample rates
well into the sub-Hertz range are possible. Use sample
rates as high as 250,000 Hz for high speed applications
such as modulated DC drives and other AC waveform situations.
Eliminates the Need for Separate Power Supplies
The DI-740-16 Series features 32 channels (16 signal-conditioned
channels and 16 general-purpose channels). Each of the
16 signal-conditioned channels provides its own isolated
power supply for transducer excitation. Thus, the DI-740
provides all the electronics needed for measurements using
amplified transducers. (The DI-740-8 Series features 24
channels: 8 signal-conditioned and 16 general-purpose.)
High Resolution Capability
DI-740 instruments apply 16-bits (14-bits when used with
WinDaq Software) of resolution to your measurement task,
yielding resolutions as fine as 1 part in over 32,000.
Easy to Connect and Use
All instruments connect in seconds to your PC's parallel
port, Ethernet connector, or USB port using the supplied
cable. The DI-740 features a removable terminal strip
per channel to simplify transducer connections to the
instrument.
WinDaq/Pro+ Software Included Free
WinDaq/Pro+ is free with the purchase of every DI-740
instrument. WinDaq/Pro features a sample rate that is
only limited by the maximum sample rate of the hardware
and allows you to tailor sample different channels at
different rates. This is done by entering a sample rate
divisor value (1 to 255) for each channel.
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Models
& Prices
| Part
Number |
Description |
Price |
Buy
Online |
| DI-740-16-P |
Portable 32-channel data acquisition
system featuring 16 transducer channels
and 16 general purpose channels. Allows
voltage measurements up to ±10V
full scale. Includes AC adapter, parallel
communications cable, WINDAQ/Lite waveform
recording, playback and analysis software
and programmer's software development
kit. |
£2995 |
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| DI-740-16-EN |
Same as DI-740-16-P, but with Ethernet
communications option. |
£3390 |
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| DI-740-16-USB |
Same as DI-740-16-P, but with USB
communications option.. |
£3195 |
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