Brannan Heavy Duty Multi-functional 5-in-1 Meter [81009]

• 5-in-1 meter for wind speed, light, sound level, temperature and humidity measurement
• Large LCD with green, yellow and red indication
• Max min / AVG / data hold functions
• Low battery indication
• Audible alarm
• Auto power off
• 3 POINT CALIBRATION CERTIFICATE INCLUDED

General instrument specifications:
AVG: Average of the latest 10 readings.
Audible alarm: Alarm sounds for 20 seconds, pauses for 1 minute then repeats cycle (the alarm can be turned on or off by user).
Overloading display: Display “LO” under range and “HI” over range.
Operating conditions: -20 to 60°C (-4 to 140°F) & 10 to 75 %RH.
Auto power off after approx. 15 minutes of inactivity (can be switched off by user).
Battery: 3 x AA batteries or USB type-C cable.
Battery life: Approx. 30 hours.
CE & RoHS/WEEE: Compliant.
LCD dimensions: 55mm x 48mm.
Product dimensions: 242mm x 68mm x 30mm.
Product weight: 292g.

Air velocity specifications:
Range Resolution
0.5 to 30 m/s 0.1
1.75 to 105 km/h 0.1
Measuring: 98.4 to 5905 ft/min 1.0
0.97 to 58.3 knots 0.1
1.11 to 67.0 MPH 0.1
150 to 9000 CMM 1.0
787 to 47244 CFM 1.0
Accuracy: Reading ±3% ±0.3d
Sampling rate: 2 times/sec
Area set: 0.1 to 9999 CM², M² or ft²
Measurement units: m/s, km/h, ft/min, knots, Mph,
Grade indication: Yes
3 colour LED alarm: 3 colour LED indication

Light meter specifications:
Measuring range: 0 Lux to 200K Lux,
0Fc to 20KFc
Accuracy: ±3.5% rdg±8dgts.(<10,000Lux)
±4.5% rdg±10dgts.(>10,000Lux)
Spectral response: CIE photopic (CIE human eye response curve)
Spectral accuracy: CIE Vλ function f1’ ≤6%
Cosine response: f2’ ≤2%
Data update: 2 times/sec
Photo detector: One silicon photo diode with filter
Visible alarm: 3-colour LED light alarm
Green light: <500Lux,
Yellow light: 500 to 1000Lux,
Red light: <1000Lux
Alarm beeps when reading goes above 500Lux.

Sound level meter specifications:
Measuring range: Auto: 35dB to 130dB
Accuracy: ±2.0dB
Display: 4digts
Resolution: 0.1dB
Frequency response: 31.5Hz to 8kHz
Standard: IEC61672-1 CLASS2
Frequency weighting: dBA
Time weighting: (SLOW) 1
Microphone: 1/2 inch Electric condenser microphone
Alarm: Alarm beeps when reading goes above 60dB.

Temperature specifications:
Range: -20 to 60°C (-4 to 140°F)
Accuracy: +/-1.0°C (+/-1.8°F)
Resolution: 0.1°C/F

Humidity specifications:
Range: 20 to 100%RH
Accuracy: ±5%RH between 35 and 80%RH, otherwise±7%RH
Resolution: 0.1%RH