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BENETECH GM1030 Portable Split Digital Illuminometer LUX Meter

$33.37
1. Divided into 4 gears, ??1 gear: 0.0 – 199.9Lux, ??10 gears: 20.0*10 – 199.9*10Lux, ??100 gears: 20.0*100 – 199.9*100Lux,

DM1306D Wall-mounted Decibel Meter Temperature & Humidity Detector

$52.28
1. Material: ABS2. Power supply: rechargeable lithium battery 2000mAh3. Display mode: LED screen4. Atmospheric pressure: 86Kpa – 106Kpa5. Sampling time:

SmartSensor AS803 Handheld Digital Lux Meter

$11.54
1. Mini lux meter with stable, safe and reliable measurement.2. Wide measurement range 0-200,000 lux and automatic/manual range shift.3. Measuring

SNDWAY SW525A Wall-mounted Sound Level Meter DB Noise Tester

$74.99
Model: 525A Measuring range: 30-130db Frequency range:31.5hz-8.5khz Response time:fast Microphone:6mm capacitance microphone Power supply;DC5V 1A micro USB outlet Operating condition:

SNDWAY SW525B Wall-mounted DB Sound Level Meter Noise Tester with USB Data Storage Transfer & USB Communication

$80.66
Model: 525A Measuring range: 30-130db Frequency range:31.5hz-8.5khz Response time:fast Microphone:6mm capacitance microphone Power supply;DC5V 1A micro USB outlet Operating condition:

SNDWAY SW526A Wall-mounted DB Sound Level Meter Noise Tester with Large Screen 18-inch Display

$121.84
Model: 525A Measuring range: 30-130db Frequency range:31.5hz-8.5khz Response time:fast Microphone:6mm capacitance microphone Power supply;DC5V 1A micro USB outlet Operating condition: