Astro-Med, Inc. Test & Measurement Product Group
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Dash 18X
Portable Data Acquisition Recorder

Specifications

Color Display
Type Active matrix color LCD (TFT) with 17" viewing area
Resolution 1280 x 1024
Touch Full-screen, resistive
Functions User interface with touch-based icons and menus; Real-time waveform monitoring; Review previous waveform records while recording; Overlay numeric values in Engineering Units
Interface
Ethernet 10/100BaseT
DVD Supports archive of data to
CD-R, CD-RW, DVD-R, DVD+R & DVD+RW
VGA For displaying data on an external monitor
USB 1.1 For external peripherals and file export
Analog Input Boards
Maximum Boards 3
Maximum Waveforms 18
A/D 14 bit
Standard Event Inputs
Number of Inputs 8
Connector D-shell (9-pin)
Input Type TTL with pull-up (0 to 5VDC)
Response Detects if duration is greater than 0.01 msec
Real-time Signal Processing
Filters Low Pass Stops: 10 Hz to 10,000 Hz; High Pass Starts: 0.1 Hz to 100 Hz; Notch: 50 or 60 Hz center
RMS Time constant selectable from 0.02 to 2 seconds
Frequency to Voltage 5 Hz to 20 kHz, +/- 0.05% of measurement + 0.1 Hz
Cross-Channel Sum, Difference, Ratio, Product (Power)
Real-time Signal Testing
Basic All active signals monitored simultaneously
Test Types Tests include window, slope/level, slew and event pattern
Outputs Result available for alarms, trigger, abort and external TTL
Data Capture
Recording Method Internal 73 Gbyte hard drive
Max. Rate 100,000 samples/second per channel (all channels)
Min. Rate 1 sample/minute
Dual Rate Second slower rate available when no trigger is used
Total Capacity 16 billion samples
Max. Record 2 billion samples
Header Information on units, range, sample rates, etc. saved with data
Events

All standard event inputs captured with waveforms

Trigger Point Lock Amounts of pre- and post-trigger is user adjustable
Auto Re-arm Allows automatic stacking of captures
Auto Playback Yes
External Sample Rate TTL sample clock up to 40,000 Hz
Signal Conditioner Specifications (General)
Channels per Module 6
Isolation 250 Vrms (iso-common to chassis and other iso-commons)
Bandwidth 12 kHz (-3dB)
Input Coupling DC
Zero Suppression Yes
User Engineering Units Yes
Calibration Semi-automated to external reference
Single Ended Voltage Input
Input Type Isolated, single-ended
Connector Guarded banana jack
Max. rated input +/- 250 Vrms
Max. transient input +/- 400 V
Specified ranges 40 to 400 VFS; 4 to 40 VFS; 0.4 to 4VFS
Accuracy (25°C) +/- 0.5% of attenuator
Min. Input Impedance 1 Megohm
Differential Voltage Measurements (use for bridge measurements)
Input Type Isolated, differential
Connector Screw terminal header
Absolute Max. Input +/- 40 V differential
Measuring Ranges 200 to 1600 mVFS; 50 to 500 mVFS; 5 to 50 mVFS
Accuracy (25°C) +/- 0.5% of attenuator
Min. Input Impedance 200 kOhm
CMR at 60 Hz > 60dB
Auto Balance Yes, limited to maximum span
Thermocouple Measurements
Input Type Isolated, differential with screw terminal header connector
Absolute Max. Input +/- 40 V
Specified Range Type J: 0 to 760 °C
Type K: 0 to 1370 °C
Type T: -160 to 400 °C
Type E: -100 to 870 °C
Type N: 0 to 1300 °C
Accuracy (25°C) 0.5% of measurement + 2 °C
Bandwidth 10 Hz (-3dB)
Intrinsic Noise 0.5 °C (1 Hz filter)
Linearization NIST polynomial
Units °C or °F
Excitation
Connector Screw terminal header
Excitation Isolated 10V @ 20 mA
Adjustable 0.1 to 10 V
Frequency Measurements
Method Zero-crossing, channels 1, 7 and 13 only
Signal Amplitude Peak-to-peak minimum is 20% of attenuator
Hysteresis Yes
Removable Drive
Type DVD+R
Format MSDOS® format
Function Setup files, software upgrades, data transfer/archive
Power
Input voltage range 102 to 264VAC
Frequency Range 47 Hz to 63 Hz
Power Consumption 300 W maximum
Compliance
Safety EN 61010-1
EMC FCC Class A, EN 61326
Power Harmonics IEC1000-3-2
Physical
Enclosure Aluminum
Dimensions 16.1" L x 15.1" W x 6.4" H
Weight 29 lbs.
Environmental
Operating Temperature 5 to 40 °C (40 to 105°F)
Non-operating Temperature -20 to 60 °C (-4 to 140 °F)
Operating humidity 10% to 90%, non condensing
Optional Chart Recorder - Model SCR-18
Chart Width 11"
Max. Chart Speed 50 mm/sec
Optional DC Input Power - Model PIM-18
Input Range 9-18 VDC
Input Power 200 W max
Fuse User replaceable 25 A
Optional DC Input Power - Model PIM-18A
Input Range 20-32 VDC
Input Power 240 W max
Fuse User replaceable 10 A

Specifications subject to change without notice

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