
GW Instruments, Inc
GW Instruments delivers a full suite of high-performance data acquisition hardware and software solutions engineered for accurate sensor interfacing, precise signal processing, and reliable measurement applications. Designed to meet the needs of engineers and scientists, GW Instruments’ advanced test and measurement equipment is trusted across a range of industries including industrial automation, scientific research, and complex testing environments.
With a diverse product lineup—featuring flagship models like the GW Instruments iNet-600, iNet-555, iNet-410, and the versatile iNet-500 series—GW Instruments offers powerful, flexible systems for data acquisition and sensor integration. Known for their accuracy, robustness, and scalability, GW Instruments products enable dependable data collection and real-time analysis across laboratory, field, and industrial settings.
From sensor connectivity to high-speed data acquisition, GW Instruments ensures consistent performance and measurement integrity, making it a go-to choice for professionals requiring dependable instrumentation in challenging environments.
GW INSTRUNET HARDWARE & SOFTWARE PRODUCTS
Standalone USB System

#iNet-600
Standalone USB data acquisition system,
16se/8di voltage inputs,
4 digital i/o,
direct to sensor

#iNet-601
Standalone USB data acquisition system,
16se/8di voltage inputs,
4 digital i/o,
direct to sensor with bank electrical isolation
Starter Card Cage System

#iNet-555
Starter System,
includes i240, i400, i410, i430, i312.8, i510

#iNet-555.eu
Starter System,
includes i240, i400, i410, i430, i312.8, i510
with w/ 2 prong European plug
i4xx Cards

#iNet-410
Interface between i2x0 ctlr & i4xx card cage,
includes 3m Cable

#iNet-420
20se/10di voltage input,
multiplexor, 4 digital i/o

#iNet-423
6di voltage input,
amplifier, filter, 4 digital i/o

#iNet-430
16bit A/D, 16se/8di voltage input,
mux, 4 voltage out, 4 digital i/o

#iNet-460
28 digital i/o channels
i4xx Card Cage

#iNet-400
Card Cage for i4xx Cards,
4 slots, expandable, includes hardware
i4xx Writing Accessories

#iNet-510
Wiring Box with Screw Terminals

#iNet-511
BNC Wiring Box with Screw Terminals

#iNet-512
Sensor Wiring Box with Screw Terminals

#iNet-Hd44mf-3m
Cable, Hd44m to Hd44f,
N to N, foil shield,
26 awg, 3m (10ft)
i500 Anti-Aliasing Filter Daughterboards

#iNet-500-380Hz
Fc=380 Hz
Package of two (i.e. 2 channels) analog
i500 filter daughterboards,
8-Pole, Butterworth

#iNet-500-1KHz
Fc=1 KHz
Package of two (i.e. 2 channels) analog
i500 filter daughterboards,
8-Pole, Butterworth

#iNet-500-3300Hz
Fc=3.3 KHz
Package of two (i.e. 2 channels) analog
i500 filter daughterboards,
8-Pole, Butterworth

#iNet-500-10KHz
Fc=10 KHz
Package of two (i.e. 2 channels) analog
i500 filter daughterboards,
8-Pole, Butterworth
i100 Data Acquisition Boxes
Each i100 box provides 16se/8di Analog Inputs, 8 Analog Outputs, and 8 Digital I/O lines; and includes Db25 Male to Female 3 meter Cable. The “HC” model is commended for strain gages, thermistors, RTD’s, Load Cells, and Pots.

#iNet-100
instruNet External A/D Box with 3m cable

#iNet-100B
instruNet External A/D Box with 3m cable
with additional 16 BNC Connectors

#iNet-100HC
instruNet External A/D Box with 3m cable
with 15mA/.01uF voltage output channels
i2x0 Controller Cards
Each Controller card manages up to eight i100/i4xx Devices; and includes an instruNet Terminator and instruNet software.

#iNet-240
USB Device for Windows ≥ XP Sp3,
without iW+. Requires computer
with 1 free USB ≥ 2.0 High Speed port

#iNet-200
PCI-Bus Card for Windows ≥ Xp,
without iW+. Requires computer
with 1 free PCI slot

#iNet-230
PCMCIA-Bus Card for Windows ≥ Xp,
without iW+. Requires computer
with free PCMCIA slot & i312.8 supply

#iNet-240P
USB Device for Windows ≥ XP Sp3,
without iW+. Requires computer with 1 free USB ≥ 2.0
High Speed port includes PLUS (iW+) software
Optical Isolation

#iNet-330
Optical Isolator between i2x0 controller and
i4xx/i100. Requires Additional i312.8
power supply, sold separately.
Power Supplies

#iNet-312.8
Power Supply, 110/220VAC, 5V/3.5A, +12V/1.5A,
-12V/0.8A, USA plug, CE.
Includes one i300 power adaptor cable to
cable power to instruNet network.
Use one 312.8 per 3 add’l 100HC
via 1 i300/330/230. Use one 312.8 per 4
add’l 100 via 1 i300/330/230

#iNet-312.8eu
Power Supply, 110/220VAC, 5V/3.5A, +12V/1.5A,
-12V/0.8A, USA plug, CE.
Includes one i300 power adaptor cable to
cable power to instruNet network.
Use one 312.8 per 3 add’l 100HC
via 1 i300/330/230. Use one 312.8 per 4
add’l 100 via 1 i300/330/230
with w/ 2 prong European plug
Software

#iNet-350
– i2x0/i60x Serial#
instruNet World PLUS (iW+)
Software License for one i2x0/i60x.
One must include serial number of
i2x0/i60x when ordering iNet-350
Mounting Brackets

#iNet-530
Wall & DIN Rail Mounting Kit for
one i4xx Card Cage

#iNet-340
DIN Rail Mounting Brackets for
one i100 Device
Shunt Resistors

#iNet-R-33
33 Ω, Package of 8 resistors,
0.05% accuracy, 5ppm/°C drift

#iNet-R-120
120 Ω, Package of 8

#iNet-R-350
350 Ω, Package of 8

#iNet-R-1K
1000 Ω, Package of 8

#iNet-R-3300
3300 Ω, Package of 8

#iNet-R-10K
10K Ω, Package of 8

#iNet-R-33K
33K Ω, Package of 8
Db25 Cables

#iNet-Db25-3ft
instruNet i2x0 Controller Cable,
Db25m to Db25f, 3ft (1m)

#iNet-Db25-10ft
instruNet i2x0 Controller Cable,
Db25m to Db25f, 10ft (3.0m)

#iNet-Db25-25ft
instruNet i2x0 Controller Cable,
Db25m to Db25f, 25ft (7.6m)

#iNet-Db25-50ft
instruNet i2x0 Controller Cable,
Db25m to Db25f, 50ft (15.2m)

#iNet-Db25-100ft
instruNet i2x0 Controller Cable,
Db25m to Db25f, 100ft (30.5m)