Description
The 321A-0.4CV-150CV is the standard version, with sensor 1 at 0.4 psi compound (0.4CV) and sensor 2 at 150 psi compound (150CV). In the code, G means gauge, A absolute and C or CV compound (vacuum and pressure). The Martel BetaGauge 321A is a handheld pressure calibrator with two isolated internal pressure sensors, so one instrument can read two ranges, such as a low differential range and a high static range. It also accepts a Pt100 RTD for temperature and measures mA signals, which makes it well suited to gas flow computer verification. A backlit graphic display shows up to three readings at once. Gas measurement technicians and instrument shops use it for custody transfer checks and general pressure calibration.
Key features
- Two isolated stainless steel pressure sensors
- Pt100 RTD input for temperature measurement
- 4 to 20 mA measurement
- Backlit graphic LCD showing up to three inputs
- Switch test function
- 17 engineering units plus custom units
Typical applications
- Gas flow computer and custody transfer verification
- Differential pressure transmitter calibration
- Pressure switch testing
- General field pressure calibration
Specifications
| Brand | Martel Electronics |
|---|---|
| Model | BetaGauge 321A |
| Order code | 321A-0.4CV-150CV |
| Product type | Dual-Sensor Pressure Calibrator |
| Pressure 1 range | 0.4 psi compound |
| Pressure 2 range | 150 psi compound |
| Version | Standard |
| Pressure sensors | Two internal, isolated stainless steel |
| Pressure accuracy | 0.025% of full scale |
| RTD input | Pt100, 0.1 °C (0.2 °F) |
| Electrical input | 4 to 20 mA |
| Display | Backlit graphic LCD, up to 3 readings |
| Supplied with | Soft case, AA batteries, manual, test leads, NIST-traceable certificate |
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