The HYDAC HMG 2020 is a professional portable data recorder designed for measuring and recording pressure, temperature, flow rate, and RPM in industrial machinery and hydraulic/pneumatic systems . This versatile handheld unit enables comprehensive system diagnostics, preventive maintenance, and performance analysis across various applications including industrial machinery, engineering equipment, laboratories, and service operations .
Key Features
Multi-Channel Measurement
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Records data from up to five sensors simultaneously
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4 analog inputs: two dedicated 4…20 mA inputs and two configurable for either 4…20 mA or 0…10 V sensors
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1 digital/frequency input: accepts signals from 0.3 Hz to 30 kHz
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User-configurable measurement ranges and units for each sensor (e.g., 0…250 bar pressure, -25…100 °C temperature)
Measurement Modes
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Normal Measurement – Real-time display function similar to a conventional gauge
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Curve Measurement – Continuous data storage for trend analysis, printable or transferable to PC
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Log Measurement – Ideal for long-term monitoring (days, weeks, or months) with storage of log entries
Advanced Analysis Functions
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Min/Max value recording with differential calculation between two sensors
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Two programmable triggers for event-based data capture with logical linking (AND/OR)
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Zoom function for detailed curve examination
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Configurable display screens showing user-selected parameters
Data Management
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Internal memory stores up to 50 curves/logs with 250,000 total measured values
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Parallel and serial interfaces for printing and PC data transfer
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Compatible with HMGWIN PC software for data analysis, overlay comparison, and conversion to spreadsheet formats
Technical Specifications
| Specification | Details |
|---|---|
| Accuracy (analog channels) | 0.25% of measuring range |
| Accuracy (frequency channel) | 0.02% of instantaneous value |
| Sampling rate | Adjustable from 100 ms down to ~1 ms |
| Display | 2-line LCD with 16 characters per line |
| Interfaces | Serial (RS 232), Parallel |
| Power | 4 x NiMH rechargeable batteries (1.2V Mignon) plus external 12-30V DC supply |
| Battery life | Approx. 10 hours (with 2 HYDAC pressure transmitters) |
| Operating temperature | +10 … +40 °C |
| Weight | Approx. 500 g |
| Dimensions | 180 x 100 x 45 mm |
Applications
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Hydraulic and pneumatic system analysis
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Preventive maintenance and troubleshooting
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Machine commissioning and performance testing
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Long-term system monitoring
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Industrial machinery diagnostics
