Vibration data logger W8-D40

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Overview
The W8-D40 (enDAQ) is a wireless vibration recorder and standalone measurement system providing multi-sensor data capture, onboard storage and rechargeable battery power for extended field deployments. It supports configurable wireless uploads to the enDAQ cloud via Wi‑Fi and can be operated with wireless functions disabled when required.

Key Highlights

• Aluminum 7075 enclosure
• Digital capacitive accelerometer, range ±40 g
• Battery: 4000 mAh (rechargeable)
• Storage: 16 GB onboard

Application Areas

• Vibration sensing and data logging
• Shock and impact testing
• Shipping and transport monitoring
• Wireless (Wi‑Fi) field monitoring and data offload
• Environmental and tolerance testing in industrial settings

Product Features

• Standalone: integrated sensors, storage and battery in a handheld form factor; USB setup
• Adaptable: multiple accelerometer ranges and additional embedded sensors in a single unit; user‑programmable wake conditions and sample rates
• Traceable: calibrated against NIST‑traceable accelerometer; designed for data integrity in demanding environments

Accelerometer Specifications
Accelerometer type: Digital capacitive
Range: ±40 g
Maximum sampling rate: 4,000 Hz
Bandwidth: 0–300 Hz
Noise: < 0.01 gRMS
Resolution: 0.00008 g

Additional Sensor Specifications
Microphone — Measurement range: 105 dB — Sampling rate: 0 (off) to 20,000 Hz
GPS location — Resolution: 2.5 m — Sampling rate: 0 (off) to 1 Hz
GPS time — Resolution: 60 ns — Sampling rate: 0 (off) to 1 Hz
Gyroscope — Range: 2000 °/s — Resolution: 0.06 °/s — Sampling rate: 0 (off) to 3,200 Hz
Magnetometer — Range: ±1300 µT — Resolution: 0.3 µT — Sampling rate: 0 (off) to 10 Hz
Temperature — Range: -40 to 85 °C — Resolution: 0.01 °C — Sampling rate: 0 (off) to 10 Hz
Pressure — Range: 1 to 200 kPa — Resolution: 1.6 Pa — Sampling rate: 0 (off) to 10 Hz
Humidity — Range: 0 to 100 %RH — Resolution: 0.04 %RH — Sampling rate: 0 (off) to 10 Hz
Light — Range: 0 to >20 µV — Resolution: <100 mlx — Sampling rate: 0 (off) to 4 Hz

Environmental Specifications
Operating temperature: -40 °C to 80 °C (-40 °F to 176 °F)
Recharging temperature: -30 °C to 85 °C (-22 °F to 185 °F)
Recommended storage temperature: 15 °C to 30 °C (allowed: -40 °C to 85 °C)
Humidity: 0 to 95 %RH (non‑condensing)
Pressure (absolute): 20 kPa to 110 kPa (2.9 psi to 16.0 psi)
Shock limit: 500 g at 0–40 °C; 100 g at -40 to 80 °C
EMC: no electric field susceptibility 2 MHz–18 GHz @ 200 V/m (see EMI report); no magnetic field susceptibility 30 Hz–100 kHz (see EMI report)

Battery & Storage Performance (examples)
Sample rate / Storage capacity / Continuous recording / Main accel. trigger / 2nd accel. trigger / Periodic/time trigger
50 Hz — 64 days — 11 days — 35 days — — 2.8 years
200 Hz — 40 days — 11 days — 35 days — — 2.8 years
800 Hz — 15 days — 10 days — 35 days — — 2.6 years
4,000 Hz — 4 days — 8 days — 35 days — — 2.3 years
Note: battery life varies with configuration (sensor rates, triggers), battery age and temperature.

Mechanical & Dimensions
Mass: 250 g
Case material: Aluminum base, polycarbonate top
Mounting — Screw: 10‑32 bolts (23 ft‑lb)
Mounting — Tape (double sided): 3M 950 Tape
Length: 99.8 mm (3.93")
Width: 58.6 mm (2.31")
Thickness: 45.6 mm (1.80")
Ingress protection: IP50 (dust protected)

Technical specifications

• Model: W8-D40
• Brand: enDAQ
• Accelerometer: Digital capacitive, ±40 g, up to 4,000 Hz sampling
• Battery: 4,000 mAh (rechargeable)
• Storage: 16 GB onboard
• Embedded sensors: microphone, GPS, gyroscope, magnetometer, temperature, pressure, humidity, light
• Operating temperature: -40 °C to 80 °C
• Shock tolerance: up to 500 g (0–40 °C)
• Mass: 250 g
• Dimensions: 99.8 × 58.6 × 45.6 mm
• Ingress protection: IP50