BTH-1208LS - Wireless Multifunction DAQ Device with Android™ and Windows® Support

BTH-1208LS - Wireless Multifunction DAQ Device with Android™ and Windows® Support
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Main features
  • Acquires data over Bluetooth® or USB connection
  • Eight 11-bit SE or four 12-bit DIFF analog inputs
  • Sample Rate:
    Bluetooth: 1 kS/s continuous, 47 kS/s BURSTIO mode (12 k sample buffer)
    USB: 47 kS/s continuous
  • Two 12-bit analog outputs
  • Eight digital I/O
  • One 32-bit event counter
  • Battery or USB power options
  • Board-Only OEM Version Available
  • Learn the 5 Steps to Creating and Deploying Android™ DAQ Apps

NOTE: Due to regulatory requirements, the BTH-1208LS and BTH-1208LS-OEM can only be sold in the United States, Canada, China, EU, Australia, and New Zealand. Please contact your distributor for countries outside these regions.

 

BTH-1208LS Wireless DAQ device with 8 SE/4 DIFF A/D, 1 KS/s throughput in Bluetooth mode, 2 D/A, 8 DIO, 1 counter

Summary

Finally, Bluetooth communication in a multifunction DAQ device! The BTH-1208LS offers short-range wireless data acquisition to a compatible host device – whether a Windows-based PC or an Android-based tablet, phone, or mini-PC.
The BTH-1208LS offers analog I/O, digital I/O, and counter input over both a Bluetooth or USB connection.

Two Operation Modes
The BTH-1208LS can operate wirelessly as a Bluetooth device or as a physically-connected USB device.

When operating as a Bluetooth device, the BTH-1208LS must be paired with the host device before it can wirelessly communicate acquired data. Pairing is a one-time procedure that establishes a bond with the host device.

The BTH-1208LS can transmit data up to 10 meters when operating as a Bluetooth device.

Analog Input
The BTH-1208LS provides up to eight 11-bit SE analog inputs or four 12-bit DIFF analog inputs.

The device offers a fixed ±10 V range for SE measurements, and ±20 V, ±10 V, ±5 V, ±4 V, ±2.5 V, ±2.0 V, ±1.25 V, and ±1.0 V ranges for DIFF measurements.

Users can start a hardware paced continuous scan with either a software command or with an external hardware trigger event.

When continuously scanning as a Bluetooth device, the BTH-1208LS supports a maximum aggregate scan rate of 1024 S/s. The total acquisition rate for all channels cannot exceed 1024 S/s.

When operating in BURSTIO mode as a Bluetooth device, the BTH-1208LS can acquire data at a maximum aggregate rate of 47 kS/s. BURSTIO mode is limited to the depth of the onboard memory, as the data is acquired at a rate faster than it can be transferred to the computer. When using Bluetooth, the transfer rate for the acquired data to the host is still limited. Allow time between scans for the acquisition and the transfer of the data.

When operating as a USB device, the device supports a maximum aggregate scan rate of 47 kS/s. The total acquisition rate for all channels cannot exceed 47 kS/s.

Channel-Gain Queue
The channel-gain queue feature lets you configure a list of channels and gains for each scan. Each channel can have a different gain setting. The gain settings are stored in a channel-gain queue list that is written to local memory on the device. The channel-gain queue list can contain up to up to 8 elements in SE mode or four elements in DIFF mode. The elements must be unique and listed in ascending order.

Trigger Input
The BTH-1208LS external digital trigger input can be configured for either rising/falling edge, or high/low level.

External Clock Input
An external clock signal connection is provided to pace input scanning operations.

Analog Output
The BTH-1208LS includes two 12-bit analog outputs, each with an output range of 0 V to 2.5 V. The D/A is software paced, and throughput is system-dependent.

Digital I/O
The BTH-1208LS supports up to eight digital I/O lines. When configured for input, the digital terminals can detect the state of any TTL-level input.

Digital input voltage ranges of up to 0 V to 5.5 V are permitted, with thresholds of 0.8 V (low) and 2.0 V (high).

Each DIO channel is an open-drain output which can sink up to 50 mA for direct drive applications when used as an output.

Inputs are pulled high by default to 3.3 V through 47.5 kohm resistors on the circuit board. The pull-up voltage is common to all 47.5 kohm resistors.

Event Counter Input
The BTH-1208LS has a 32-bit event counter that can accept frequency inputs up to 1 MHz. The internal counter increments when the TTL levels transition from low to high.

Power Options
When connected to a USB power supply, BTH-1208LS receives 5 V power. USB provides both power and communication when the device is connected to a host USB port.

If rechargeable NiMH or NiCd batteries are installed, the batteries recharge when the device is connected to a USB host or USB power supply.

BTH-1208LS-OEM Also Available
The BTH-1208LS-OEM has the same fundamental specifications as the BTH-1208LS, but comes in a board-only form factor with header connectors instead of screw terminals. Connectors for user-supplied power. included instead of a battery compartment. The board can be powered by an external 5 V supply or a USB power supply in Bluetooth mode, or by the USB host device in USB mode.

INCLUDED SOFTWARE

  • TracerDAQ® for acquiring and displaying data and generating signals
  • InstaCalTM software utility for installing, configuration, and testing
  • Universal Library includes support for Visual Studio® and Visual Studio®.NET, including examples for Visual C++®, Visual C#®, and Visual Basic®.NET
  • ULx for NI LabVIEWTM Library of VIs and example programs to speed your NI LabVIEW development
  • Universal Library for Android® includes support and examples for the Android 3.1 platform (API level 12) and later
  • Linux® Support for MCC DAQ products
  • Python™ Support for MCC DAQ Products

OPTIONAL SOFTWARE

  • DAQamiTM – data acquisition companion software for acquiring data and generating signals
  • DASYLab®2020 Software lets you interactively develop PC-based data acquisition applications by simply attaching functional icons
  • TracerDAQ®Pro – Out-of-the-box virtual instrument suite with strip chart, oscilloscope, function generator, and rate generator – professional version

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