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Type ST-2A Digital Indicator

Type ST-2A Digital Indicator
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Type ST-2A Digital Indicator FEATURES • Measurement of pressure, temperature, voltage and current • Accuracy ratings of ±0.1, 0.05% and 0.025% F.S. (pressure) • Pressure ranges from 0.25 inches of water to 10,000 psi • 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 The ST-2A is the perfect bench companion product to the Ashcroft® ATE-100 field handheld calibrator. This bench top (or panel mounting) package shares the same pressure and temperature modules and interfaces with the same software packages as the Ashcroft ATE-100. An intuitive menu- driven user interface puts all of the ST-2A’s power at the simple press of a key. It uses the AQS (Ashcroft Quick-Select™) modular sensor system to provide the ultimate in measurement flexibility. Now you can purchase a calibration system to serve your field and bench mounting requirements while enjoying the significant cost savings gained through the availability of common pressure modules and software. All specifications are subject to change without notice. All sales subject to standard terms and conditions. © Ashcroft Inc. 2008 11/08 SPECIFICATIONS Standard Display: Alphanumeric LCD, 0.37-inch height, 2 lines, 16 characters/line Optional Display: Backlit LCD alphanumeric with 2 lines and 16 characters/line Display Resolution: ±0.002% of span, 60,000 counts (max) Display Update Rate: 130ms (nominal) with one sensor installed Engineering Units: psi, in.H2O, in.Hg, ftSW, bar, mbar, kPa, MPa, mmHg, cmH2O, mmH2O and kgcm2 and any single user-programmable engineering unit Damping: Programmable averaging from zero through 16 consecutive readings Standard Operating Range: 32° to 120°F (0 to 49°C) Compensated Range: 20° to 120°F (–7° to +49°C) Reference Temperature: 70 ±3°F Standard Temperature Effect: ±0.004% of span per degree Fahrenheit over the compensated range Optional: AQS-2 Quick-Select modules are available calibrated to maintain rated accuracy over the 20° to 120°F (–7° to +49°C) compensated temperature range. Storage Limits: –4°F to +158°F (–20° to +70°C) Electrical Sourcing Specification: 24 Vdc at 25mA Electrical Measurement Specification: Input (volts) Accuracy 0/10 Vdc ±0.025% F.S. 0/30 Vdc ±0.10% F.S. Input (mA) Accuracy 0/20mA ±0.03% F.S Temperature Effects Electrical Measurement: ±0.001% of span per °F over the compensated range Weight: ST-2A Base unit: 3.0 lb (1.4 kg) Housing: Molded, high-impact ABS case Electrical Connections: Standard banana jacks Optional Battery Power Supply: 5 “AA” nicads with built-in charger or 5 “AA” alkaline (nonrechargeable) External Power Supply: AC adaptor 9 Vdc, 500mA Portable Operation: 20 hours with optional backlight off, 2 hours with backlight on Warm-up: 5 minutes for rated accuracy (maximum), 30 minutes for complete stability RS232 Serial Interface: with 9-pin D type at 300, 1200, 2400, 9600 baud. Field Calibration: Calibration module and proper pressure and electrical standards are required. Optional Data Logging Capacity: Standard measurements: 714 records Date/time stamped measurements: 384 records Provides prompts for storage of calibration history information, including instrument tags, As Found/As Left data and corresponding ambient temperature Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-82

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Type ST-2A Digital Indicator STANDARD RANGES 0.56 psi (gauge & absolute pressure) ˝H2O (gauge/ differential pressure) Other Engineering Units** All specifications are subject to change without notice. All sales subject to standard terms and conditions. © Ashcroft Inc. 2008 11/08 Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: info@ashcroft.c

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