DustCanary Trend 420 Personal respirable dust monitor (0.01 – 1 mg/m³)

Measurement range:

0.01 – 1 mg/m³: Continuous qualitative monitoring of respirable dust

1 – 10 mg/m³: Continuous indicator-based monitoring and dust protection mode (intermittent measurement can be configured)

Real-time sensor: Next-generation PM sensor module (OPC) with pre-filter and respirable dust algorithm; updates every 1 second

Sampling flow rate: 2 L/min (ensures representative measurement during wearer movement)

Simultaneous functions: High-level alarm and warning alarm (enable/disable); dust monitoring; self-check of sensor, hardware, and battery; data logging

High dust alarm: Threshold 0.1 – 5 mg/m³; delay 1 – 30 seconds; enable/disable; red LED; buzzer

Dust level alarm: Configurable threshold and delay time; yellow LED; buzzer

Dust protection mode: Temporarily pauses data logging to reduce contamination (overwrite option available)

Self-check: Automatic fault detection at the start of a new session

Audio & visual alarms: (85 dB at 10 cm) for all statuses

Weight: 210 g

Dimensions: 65 × 90 × 25 mm (including clip and safety strap)

Material: Polycarbonate

Rechargeable battery: Lithium-ion, IP44, 12.8 Whr, 3500 mAh; operating time 16 hours (new), 12 hours after 200 charge cycles; full charge in 3 hours via USB-C

Continuous operation: Unlimited when powered via USB-C

Environmental conditions: -10 to +55°C (non-condensing)

Safety & EMC: CE and UKCA

Datasheet