Astro-Med Dash 4U Field Data Acquisition System

The Astro-Med Dash4U is a portable, high-speed data acquisition system designed for field and laboratory use. Its modular design allows for flexible configuration with various input modules to accommodate diverse signal types and measurement requirements. With high sampling rates and substantial data storage, it is capable of capturing and analyzing a wide spectrum of signals for comprehensive analysis.

### Technical Specifications

* **Channels:**
* Four universal input channels.
* Two calculating/math channels.
* **Sampling Rate:**
* Up to 50 kHz per channel.
* Sample rate ranges from 0.0167 Hz (once per minute) to 50 kHz.
* **Data Capture:**
* Internal 4 Gigabyte hard drive.
* Internal 8 GB hard drive (Dash 8 series, potentially relevant for similar architecture).
* Internal 73 GB hard drive (Dash 18X, higher capacity model).
* 100 MByte removable ZIP drive for data transfer.
* Data capture to internal hard drive initiated by various triggering events: manual, waveform activity (slope, level, window, slew rate), time-based clock triggers, or external sources.
* Pre- and post-trigger data capture capabilities.
* Dual sample rate: independent control over pre- and post-trigger sample rates.
* **Display:**
* 10.4-inch color monitor for real-time viewing and data review.
* High-resolution display capable of showing waveforms and grids.
* **Input Capabilities:**
* True universal inputs, supporting single-ended, differential voltage, thermocouple (Types J, K, E, T), DC Bridge, RTD, High Voltage, and Frequency to Voltage measurements.
* Isolated inputs eliminate crosstalk and signal interference.
* Input voltage ranges: selectable from hundreds of ranges, up to 250 Vrms, 400 V full scale range.
* Thermocouple measurements support Type J, K, E, and T thermocouples with 10 Hz bandwidth, including linearization and cold junction compensation.
* Frequency-to-Voltage input range: 5 Hz to 5 kHz.
* **Signal Processing & Math Functions:**
* ADC resolution: 14-bit.
* Digital Signal Processing (DSP) for filtering and math functions.
* Filter choices: Low pass (1 Hz to 1000 Hz), High pass (0.1 Hz to 100 Hz), 50/60 Hz notch.
* Math Channels: Addition, subtraction, multiplication, division, root mean square (RMS), integration, differentiation (with filter), true power, apparent power, power factor.
* **Chart Recorder Functionality:**
* Real-time recording to an integral chart.
* Chart formats: four available, with user-configurable grid design.
* Chart paper size: 140mm W x 139mm L (5.5″ W x 5.47″ L), Z-fold, 300 sheets, 200 feet.
* Chart speed: 1 mm/hr to 100 mm/sec.
* Amplitude grids: 6 independent grids up to 125 mm wide, automatic or user-defined placement.
* Time marking: Tri-state (x1, x10, x100) on either chart edge, synchronized to grid timelines.
* Annotation: System log, text buffer (128 ASCII characters per grid line), on-demand text buffer.
* **Power:**
* Auto-sensing power supply: 85-220 VAC at 50 or 60 Hz.
* Built-in uninterruptible power supply (UPS).
* 12V DC power supply for portable/in-vehicle applications (Dash 16u model).
* **Physical:**
* Weight: Less than 22 pounds.
* Dimensions: Compact and portable for field use.
* Enclosure: Aluminum.

### Electrical

* **AC Power Input:** 85-220 VAC, 50/60 Hz.
* **DC Power Input:** 14-24 VDC (for some models), 60 W Max (35W Typical).
* **AC Power Adapter Output:** 19V DC, 70W Maximum.

### Interfaces

* **Data Transfer:**
* 100 MByte ZIP drive.
* SCSI Interface.
* Ethernet Interface (10/100BaseT).
* **Timecode Synchronization:** IRIG A, B, E, H.
* **CAN Bus:** Support for CAN signal acquisition, 2 ports.

### Physical

* **Portability:** Designed for field and laboratory use, compact and lightweight.
* **Weight:** Approximately 7 lbs (3.2 kg).
* **Dimensions:** 12.75˝ W x 7.1˝ D x 4.7˝ H (323.9mm W x 180.3 mm D x 119.4 mm H) with endcaps.

### Compatibility

* **Software:**
* AstroVIEW C: Windows-based data transfer, review, and analysis software.
* AstroSET: PC-based setup program with Windows graphical interface.
* **Operating Systems:** Compatible with Windows 95/98/ME and Windows NT/2000 (for AstroVIEW C).

### Why Choose Aumictech for Astro-Med Dash4U?
At Aumictech, we specialize in supplying high-end data acquisition equipment. Whether you need reliable field data capture, precise laboratory analysis, or robust signal recording, our team ensures the Astro-Med Dash4U delivers maximum performance for your application.