High-Accuracy Frequency & Flow Measurement for Critical Test Systems
Modern propulsion labs, turbine test rigs, cryogenic flow benches, and industrial automation systems depend on precise frequency and pulse measurements to validate performance and detect anomalies early. When timing accuracy is the backbone of your test stand, data loss, or errors due to electrical noise aren’t an option.
The ProDAQ 6118 Isolated Precision Frequency Meter delivers 16 channels of isolated, highly accurate frequency measurement from 3 Hz to 3000 Hz, ensuring consistent performance for rotating machinery, flow sensors, TTL encoders, and counter inputs — even under harsh electrical and thermal conditions.
Key Technical Features
High-Performance Frequency Measurement
- 16 isolated channels, each TTL compatible
- Input frequency range: 3 Hz to 3000 Hz
- Sampling rate: Up to 2000 S/s
- 4-wire input design (2× excitation, 2× signal) for improved measurement stability
Electrical Isolation & Protection
- 300 VDC isolation (channel-to-channel, channel-to-chassis, and channel-to-output)
- Input and transient protection
- Eliminates ground loops, minimizes noise interference in high-power facilities
Built-In Output Options
Each channel includes:
- Two 0–10 V analog outputs
- One TTL compatible frequency output
- Outputs fully short-circuit protected for safety and uptime
Accuracy, Calibration & Stability
- Accuracy better than 0.05% FSO
- Isolation between inputs, outputs, and supply ensures consistent performance across environmental changes
Reliable System Integration
- Dual redundant Ethernet ports (10/100/1000 Base-TX)
- IEEE-1588 precision timing support
- Dual redundant power supply
- 1U / 19-inch rackmount
- Web-based control, SCPI/VXI-11 VISA support, TCP/IP interface
Built for Harsh, High-Demand Test Facilities
Across cryogenic flow measurements, turbine speed monitoring, pump verification, and propulsion component testing, frequency data is often the earliest indicator of performance problems.
The ProDAQ 6118 maintains measurement integrity even when your environment introduces:
- Electromagnetic noise
- Ground potential shifts
- Rapid pressure or thermal transients
With a measurement range of up to 3000 Hz, 300 V isolation, and built-in analog & TTL outputs, the 6118 ensures you never miss changes in rotational speed, flow rate, or pulsed timing — even in the most demanding scenarios.
This is why test engineers rely on the ProDAQ 6118 for:
- Dynamic engine characterization
- Turbine and impeller performance validation
- Flow meter calibration and verification
- Cryogenic fluid system monitoring
- Industrial pulse/frequency monitoring and control
If your test system depends on frequency data that must be right on the first run, the ProDAQ 6118 provides the reliability, precision, and robustness required for mission-critical testing.
Discover how the ProDAQ 6118 improves frequency and flow measurement accuracy:
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