Digital display pressure gauge for pipe mounted use in applications to monitor blowing of rupture disks, capable of measuring 0 to 600 kPa g pressure with 0.1% accuracy and connected using a 1/2 NPT male fitting. Also includes USB, logger, peak hold, log software and traceable cal cert.
Integrating the DM 01 into safety-critical venting systems provides a high-resolution window into the precise moment of a rupture disk activation. In industrial piping where overpressure protection is paramount, this instrument captures the transient surge that occurs when a sacrificial membrane fails, allowing process engineers to verify that the burst occurred within the specified tolerance of the disk’s rating. The high sampling rate and peak hold functionality are essential for this application, as conventional analog gauges often lack the response time to register the exact pressure peak before the system depressurizes. By utilizing the internal data logging capabilities, engineers can reconstruct the pressure ramp-up curve leading to the event, identifying whether a spike was a momentary surge or a sustained overpressure condition.
The modular design of the DM 01 allows for specific sensor tailoring, ensuring the 600 kPa g range is optimized for the expected burst pressures of low-to-medium range safety heads. When installed via the 1/2 inch NPT connection on a downstream tell-tale assembly or situated between a dual-disk configuration, the unit acts as a primary diagnostic tool for determining the root cause of safety system trips. This setup is particularly effective in chemical processing plants or steam-dependent research facilities where identifying the exact blowing point is necessary for post-incident reporting. The inclusion of a traceable calibration certificate ensures that the captured data meets the stringent audit requirements of quality assurance programs, providing a verifiable record of the instrument’s 0.1% accuracy.
Through the USB interface and dedicated software, the recorded datasets can be exported for detailed forensic analysis of the pressure event on a computer. This allows for the comparison of multiple burst events over time, helping to identify fatigue patterns in rupture disks caused by pressure cycling. The internal battery power ensures that the device continues to log even during plant power failures, which is often when safety events are most likely to occur. By moving beyond simple visual monitoring and employing a digital logger with high-speed peak capture, technicians can replace guesswork with precise empirical data, facilitating better maintenance scheduling and more accurate pressure relief device selection.
DM 01 High Sample Rate Digital Pressure Gauge and Logger
- SKU ID: s1-dm01-37-18669
- Pressure Sensor Modules: 6 bar (87 psi) gauge
- Process Connection: 1/2 NPT male
- Data Storage Type: Data Logging – DM01
- Digital Interface: USB Converter and PC Software
- Optional Extras: UKAS calibration certificate