Trotec BQ21 Mini Particle Measuring Device (2.5 μm, 10.0 μm)

Dimensions (length x width x height): 188 mm x 52 mm x 35 mm

Weight: 175 g

Interfaces: USB port for charger

Tripod thread: 1/4 inch – 20 UNC

Operating conditions: 0 °C to +40 °C with 20 to 80 % RH

Storage conditions: -10 °C to +50 °C with 10 to 90 % RH

Display: 2 inch colour LCD with background illumination

Functions: Alarm function, °C/°F switching

Data storage: 5,000 data records on internal memory

Bluetooth

Frequency range: 2.4 GHz

Max. transmission power: 10 dBm

Energy

Battery: Li-ion

Nominal voltage: 3.7 V

Capacity: 1500 mAh

Operating time: approx. 5 hours of continuous operation

Charging time:  approx. 3.5 hours with an alternating current adapter

Automatic switch-off: 3 min, 15 min or 30 min

Temperature measurement

Temperature range: 0°C to 50°C (32°F to 122°F)

Temperature accuracy: ± 1 °C (2 °F)

Humidity measurement 

Humidity level measuring range: 0 % RH to 100 % RH

Humidity level accuracy: ±3.5 % RH at 20 % to 80 % RH;  ±5 % RH at 0 % to 20 % RH and 80 % to 100 % RH

Particle counters

Channels (detectable particle sizes): 2.5 μm, 10.0 μm

Flow rate: 0.9 l/min controlled by internal pump

Counter mode: Concentration

Counting efficiency: 100 % for particles > 0.45 µm (according to ISO 21501)

Zero count:  1 count/5 minutes (according to JIS B9921)

Start delay: 5 seconds

Sample inlet: Isokinetic probe

Calibration: Using monodisperse latex particles (PSL particles; compliant with NIST)

Light source of the measuring cell: 

Laser class 1 (class 3R laser enclosed in a way to prevent tampering, 780 nm, 1.5-3 mW, classified according to DIN EN 60825-1 and the Technical ; Regulations of the Occupational ; Health and Safety Ordinance on Artificial Optical Radiation (TROS))

Mass concentration

Channels: PM 2.5 / PM 10

Measuring range: 0 to 2000 μg/m³

Resolution: 1 μg/m³

Scope of delivery

• 1 x Particle counter BQ21

• 1 x USB connecting cable

• 1 x Charger

• 1 x Stand with screw

• 1 x Quick guide

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