Keithley DAS-HRES Multifunction 16-Bit Analog and Digital I/O
Keithley Data Acquisition Systems (DAQ). Accuracy: ±0.003%, Channel: uncommitted 16-bit binary counter.
- Model
- Keithley DAS-HRES
- Calibration
- Available on request
- Price
- $450
- Status
- In stock
- RFQ ref
- DAS-HRES
This unit
The Keithley DAS-HRES is a 16-bit multifunction analog and digital I/O board for precision measurement and control in IBM PC/XT/AT and PS/2 compatible computers. It delivers high-resolution data acquisition with eight differential analog input channels, two analog output channels, and digital I/O capabilities, supported by onboard programmable timing functions.
Technical Specifications Analog Input
8 differential channels (HI/LO/GND)
16-bit resolution
47.6 kS/s maximum conversion rate
Switch-selectable unipolar ranges: 0–10V, 5V, 2.5V, 1.25V
Switch-selectable bipolar ranges: ±10V, ±5V, ±2.5V, ±1.25V
Programmable gains: 1, 2, 4, and 8
Absolute accuracy (autocalibration enabled): ±0.0003% FS ±1 bit (gains 1, 2, 4); ±0.0045% FS ±1 bit (gain 8)
Absolute accuracy (autocalibration disabled): ±0.01% FS ±1 bit
Relative accuracy: ±0.003% Analog Output
2 channels, 16-bit resolution
±10V standard voltage output Digital I/O
8-bit output port
8-bit input port Counter/Timers
Intel 8254 onboard 3-channel programmable interval timer
Two channels fixed divider configuration from internal 1, 8, or 10 MHz crystal clock
Third channel: uncommitted 16-bit binary counter
Clock input frequency: DC to 10 MHz
Negative active count edge
Minimum clock pulse widths: 30 ns high / 50 ns low System Interface
Direct IBM PC/XT/AT and PS/2 model 25/30 I/O slot insertion
DMA switch-selectable for levels 1 or 3
Software-selectable interrupts: levels 2 through 7
Power consumption: +5V at 1.4 A typical (1.9 A maximum)
Key Features
Autocalibration capability reduces absolute accuracy uncertainty to ±0.0003% FS at standard gains
Tri-stated DMA and interrupt lines enable resource sharing with compatible peripherals
BASIC mode call driver and external DAS driver support (VIEWDAC, EASYEST LX/AG, ASYST)
Operating temperature: 0°C to 50°C
Compact form factor: 13.3 in L × 4.25 in H × 0.75 in D
Typical Applications Precision laboratory measurement, research and development, industrial process control, and automated test systems requiring 16-bit data acquisition with multiple I/O channels in legacy computer platforms.
Compatibility & Integration Designed for PC-based systems with available I/O slots. DMA and interrupt resource sharing accommodates multi-peripheral configurations. Software integration via Mode Call Driver and support for industry standard MetraByte data acquisition software.
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | DC to 10 MHz | Voltage / Current Range: ±1.25V |
| Analog output | ±10V |
| Bipolar | ±10V, 2.5V, 5V, Unipolar: 0–10V |
Keithley DAS-HRES — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Keithley DAS-HRES. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Keithley DAS-HRES price
This Keithley DAS-HRES is listed at $450. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Keithley DAS-HRES calibration cost
NIST-traceable calibration for the Keithley DAS-HRES is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
