Ultra-High Pressure Digital Gauge for Spike Detection

The hydraulic pressure measurement was cycling slower. The analog gauge showed steady pressure, but every part was out of spec. The needle wasn’t moving—but the pipe was screaming. We traced every connection and cross-checked with multiple instruments. Field tests revealed that the needle wasn’t capturing peak pressures due to its sluggish nature. The physics hadn’t changed; it was simply a matter of the technology’s limitations.

Bourdon tube gauges act as mechanical low-pass filters. They physically cannot respond to pressure changes faster than their natural frequency (1-2 Hz). This meant our analog gauge was lagging behind actual pressure spikes, causing undetected peaks that led to part failures. In ultra-high pressure applications, even a 50 ms spike can exceed material limits, resulting in catastrophic failure or scrap.

We installed the DR3710 digital pressure gauge. It samples at 1000 Hz, capturing peaks the analog needle never saw. With a response frequency of 3.2 kHz, it provides real-time data for pressure spike detection. The gauge covers a pressure range from -1 bar to 2500 bar, with accuracy options from ±0.1% FS to 1% FS. Its high-definition backlight LCD displays pressure progress bars, ambient temperature, and battery status. The zero clearing and Max/Min peak value holder functions allow operators to capture and hold peak pressures for analysis. The stainless steel 304 housing with IP65 protection ensures durability in harsh industrial environments.

The results were immediate and significant. By identifying and addressing pressure spikes that caused part failures, we reduced scrap costs by $25,000 per month. The DR3710 also improved process control, reducing downtime and maintenance costs. For example, we discovered that a worn valve was causing 200 bar spikes lasting 100 ms—undetectable by the analog gauge. Replacing the valve eliminated the spikes and improved product consistency.

If you’re facing similar issues with analog gauges in ultra-high pressure measurement applications, consider upgrading to a digital gauge with high-speed sampling. The DR3710 offers the performance needed for pressure spike detection and reliable 2500 bar pressure measurement. How responsive is your current pressure gauge?

Key Specifications

• Pressure range from -1bar to 2500bar
• Accuracy options: ±0.1% FS, ±0.2% FS, ±0.5% FS, or 1% FS
• Display resolution: -19999 to 19999
• High definition backlight display LCD
• Zero clearing and Max/Min peak value holder
• Ambient temperature display
• Pressure progress bar display
• Battery indicator
• Five pressure units: bar, psi, kPa, MPa, kg/cm²
• Stainless steel 304 housing, IP65 protection
• Response frequency: 3.2kHz
• Power supply: 2 x 1.5V AAA battery

How responsive is your current pressure gauge in handling ultra-high pressure applications?

Tags: #ultrahighpressuredigitalgauge #pressurespikedetection #2500barpressuremeasurement #DR3710