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ST-2A Digital Indicator
Brand: Ashcroft IncThe Ashcroft® ST-2A bench top (or panel mounting) calibrator shares the same pressure and temperature modules and interfaces as the Ashcroft ATE-100.
It uses the AQS modular sensor system to provide the ultimate in measurement flexibility.
The base unit contains a wide variety of application-specific firmware as well as the ability to measure both current and voltage inputs.
In addition, this unit has the ability to interface the system with a computer, data acquisition system or dumb terminal via the standard RS232 interface.
Features- Measurement of pressure, temperature, voltage and current
- Accuracy ratings of ±0.1%, 0.05% and 0.025% full scale (pressure)
- Pressure ranges from 0.25 inches of water to psi 10,000 (kPa: 68,950, bar: 689.5)
- Interchangeable pressure and temperature modules
- Multiple engineering units
- Temperature measurement with most common RTDs and thermocouples
- Programmable damping
- Tare capability
- Display hold
- RS232 two-way communications
- Standard N.I.S.T.-traceable certificate of calibration
Specifications
Brand
Temperature Effect
- ± 0.004 % of Span/°F over the Compensated Range
- Electrical Measurement: ± 0.001 % of Span/°F over the Compensated Range
Electrical Rating
- Sourcing Specification: 24 Vdc at 25 mA
Input
- 0-10 Vdc
- 0-20 mA
- 0 to 30 Vdc
Compensated Temperature
- -7° to 49° C (20° to 120° F)
Pressure Type
- Absolute
- Compound Pressure
- Differential
- Gauge
- Vacuum
Electrical Connectors
- Banana Plugs Jacks
Operating Temperature
- 0° to 49° C (32° to 120° F)
NACE & NIST
- NIST
Approvals & Certifications
- ISO 9001
Pressure Range
- Inches WC: 0.25 to 200
- psi: 5 to 10,000 (kPa: 34.47 to 68,950, bar: 0.34 to 689.5)
Accuracy
- ± 0.025 % of Full Scale
- ± 0.03 % of Full Scale
- ± 0.10 % of Full Scale
Storage Temperature
- -20° to 70° C (-4° to 158° F)
Power Supply
- 5 AA Alkaline Battery with Built-in Charger
- External: 9 Vdc at 500 mA
Resolution
- Display Resolution: ± 0.002 % of Span
- Display Resolution: 60,000 Counts, Max.
Enclosure, Body Material
- Molded, High-Impact ABS
Communication
- RS-232
- With 9-Pin D Typical at Baud Rate: 300, 1,200, 2,400, 9,600
Display
- 0.37” Height, 2 Lines, 16-Characters/Line
- Alphanumeric LCD
- Backlit LCD Display
Update Time
- Display Update Rate: 130 milliseconds (Nominal) with One Sensor Installed
- Warm-Up: 30 minutes for Complete Stability
- Warm-Up: 5 minutes for Rated Accuracy, Max.
- Calibration Labs
- Test & Measurement