Ashcroft ST-2A Digital Indicator
Starting at $1,718.60

Some models in stock. View available part numbers.

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  • AQS modules required for measuring pressure & temp
    • They are interchangeable
    • Order separately
  • 12 standard user selectable units & 1 custom value
    • PSI, inH2O, inHg, ftSW, BAR, mBAR, kPa, MPa, mmHg, cmH2O, mmH2O, kg/cm2
    • Custom value programmed by user
  • 110VAC/60Hz A/C adapter
  • RS232 two-way communications
  • ±0.002% of span max resolution
  • NIST traceable certification

The Ashcroft ST-2A digital indicator contains a wide variety of application-specific firmware as well as the ability to measure both current and voltage inputs with common RTDs and thermocouples. Interchangeable pressure and temperature modules and multiple engineering unit options provide a high level of measurement flexibility. 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.

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

Ashcroft AQS Pressure Modules
AQS-1 & AQS-2 pressure sensors for use with the ST-2A digital indicator


Please consider these optional accessories.

Ashcroft AQS-RT RTD Interface Module
RTD probe interface assembly for connecting ST-2A to RTD probes with a TA4F mating connector
Ashcroft Pt100 RTD Probes
4 wire RTDs with 304SS sheath & installed TA4F connector for compatibility with Ashcroft RTD interface assemblies
Ashcroft AQS-TC1 Thermocouple Interface Module
Module for connecting the ST-2A to thermocouples via the 828X161 miniature connectors
Ashcroft Thermocouple Connectors
Miniature connectors to attach thermocouple to AQS-TC1 or AM2-TC1 interface modules
Ashcroft TA4F Mating Connector
For connecting your own RTD probes to Ashcroft RTD interface assemblies
Part Number Price Available
Show Configuration
Base Price
LCD Display
Back lit (+$141.70)
Data Logging
Store up to 643 values, includes Hi-Lo alarms (+$325.00)
Battery Pack
Alkaline batteries (non-rechargeable) (+$141.70)
Optional Features
Panel mounting brackets (+$37.44)
$1,860.30 1

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 3-4 weeks". Click here to select options