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With WIFI communication, the wireless dynamic strain DAQ units allow for easy installation near the testing point, eliminating difficulty or long wiring.
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With WIFI communication, the wireless dynamic strain DAQ units allow for easy installation near the testing point, eliminating difficulty or long wiring.
• WIFI communication up to 200 meters (extendable via wireless Access Point)
• Compact, easy to install chassis (magnetic base also available)
• DS 5908L - IP65-grade chassis, certified for use in inclement weather
• Optional GPS module
• Synchronous sampling with up to 16 modules per computer
• Software programmable switch full bridge, half bridge, three-wire quarter bridge (120Ω or 350Ω)
• Programmable channel self-check function
• Built-in battery allowing for more than 7 hours of continuous work time (DS 5908L - 12 hours)
| Model | WW-844D | WZ-88S | WW-816D | WW-826D | |
| Channels | 4 Stress & Strain | 8 Stress & Strain | 1 IEPE | 2 IEPE | |
| Bridge voltage | 2V, 5V | 2V | - | ||
| Strain measurement | ±30000με, ±3000με | ±20000με | - | ||
| Voltage measurement | ±5V, ±30mV, ±3mV | ±20mV，±5000mV | - | ||
| Uncertainty | ≤0.5%±3με | ≤0.5% | |||
| Linearity (FS) | ±0.1% | - | - | ||
| Freq. response | DC~2kHz | - | 0.1Hz～30Hz | ||
| A/D converters | 24-bit Σ-Δ | 16bit | 16bit | 16bitΣ-Δ | |
| Sampling rate | Up to 10kHz | 1Hz | 2Hz, 5Hz, 10Hz, 20Hz, 50Hz, 100Hz, 200Hz | ||
| Anti- aliasing | Cut-off freq. | 1/2.56 of sampling rate | - | 1/2.56 of sampling rate | |
| Stop-band attenuation | -80dB/oct | - | -80dB/oct | ||
| Flatness | ≤±0.1dB | - | ≤±0.2dB | ||
| Automatic balance range | ±10000με | ±15000με | - | - | |
| Communication distance | Up to 200 meters line-of-sight | 500 meters | 200 meters | ||
| Working time | 7 hours | 8 hours | 8 hours | 10 hours | |
| Built-in cache | 4GB | 8MB | - | - | |
| Size (mm) | 135×85×55 | 171×105×30 | 145×86×75 | ||
| (without antenna) | |||||
| Weight (g) | 499 (without antenna) | 600 (without antenna) | 2.6 kg (Including battery) | ||
