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InstruTECH LIH 8+8

The LIH 8+8 is a high resolution, low-noise scientific data acquisition system. It utilizes the latest USB 2.0 and high speed processing technologies. The LIH 8+8 provides expandability and versatility that will satisfy both current and future needs. With its USB 2.0 interface, the LIH 8+8 can easily be connected to a laptop computer without the need for a peripheral PCI card. The analog input and output channels are isolated from the digital lines that communicate with the computer. Each analog channel has it's own separate ground patch and the digital section has a completely different ground. The result is complete isolation of the acquisition side from the computer side with full 16 bit capability and low noise.

Technical Specifications

Analog Inputs:
Eight 16-bit analog inputs
Two A/D converters, each multiplexed into 4 inputs
400 kHz aggregate, max. 200 kHz per A/D converter
Input type: differential
Input Range: -10 to +10 V
Differential non-linearity: ±0.002 % of FSR
Drift: ±2 ppm/°C
Input impedance: 1 MΩ
Signal to noise ratio: 86 dB at DC to 160 kHz, <1 mV PP

Sound Output:
One 3.5 mm output receptacle on rear panel
Frequency range of 200 Hz to 4 kHz

Digital Inputs:
Sixteen rear digital inputs
Four of the sixteen digital inputs can be accessed on the front panel via BNC connectors.
3.3. and 5 V logic compatible

Trigger Inputs:
One isolated hardware trigger input (on either positive or negative edge transition)
3.3. and 5 V logic compatible
One BNC on rear panel

Analog Outputs:
Four 16-bit analog outputs
Four individual D/A converters, each running at 200 kHz
Output type: pseudo differential
Settling time < 1 µs
Output Range: -10 to +10 V
Gain error: 0.2 % of FSR
Gain linearity: < 2 dB
Drift: ±4 ppm/°C
Output impedance: 4.7 Ω
Signal to noise ratio: 116 dB

Digital Outputs:
Sixteen rear panel digital outputs
Four of the sixteen digital outputs can be accessed on the front panel via BNC connectors
TTL compatible
Maximum output current: +/-35 mA

Additional Connectors:
Digital I/O connector for EPC 8 or TIB 14 S
2 CAT5 connectors for slave / master operation of multiple LIH 8+8

(47.5 x 4.4 x 31.1) cm
Weight: 3.6 kg
mounts in 19" rack
operates on 90 V - 250 V, 50/60 Hz

Cable: One 3 meter USB 2.0 cable

Host Interface: USB 2.0

Units: EA


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