Product Description
CEM DT-859B Multifunction Environment Meter
The CEM DT-859B Multifunction Environment has been designed to combine the functions of a Sound Level Meter, Light Meter, Temperature Humidity Meter and a CFM/CMM Thermo-Anemometer (859B 5in1). CEM DT-859B It is an ideal Multifunctional Environmental Measurement Instrument with a number of practical applications for both professional and home use.
- The sound level function can be used to measure noise in factories, schools, offices, homes, etc., check the acoustics of studios, auditoriums and hi-fi installations.
- The Light function is used to measure lighting in the field. This is fully cosine corrected for the angular incidence of light. The light sensitive components used in the meter are silicon diodes which are highly stable, durable and long lasting.
- Humidity/Temperature uses a humidity/semiconductor sensor and a type K thermocouple.
- The CFM/CMM Thermo-Anemometer is suitable for use in a variety of applications, including plant maintenance operations, environmental analysis, fume hood testing and HVAC system assessment.
Features CEM DT-859B Multifunction Environment Meter
- Larger LCD display with backlight
- USB interface, USB to UART Bridge Controller
- Low battery indication, and Auto Power Off mode (Sleep Mode) increases
- Relative time clocks on MAX MIN and AVG provide a time reference for measurements
- Displays Sound, Light, Temperature Type K plus Humidity & Temperature simultaneously
- Size (HxWxD): 248mm x 65mm x 45mm
- Weight: 365g
Specifications CEM DT-859B Multifunction Environment Meter
| Function | Range | Resolution | Accuracy | DT-859A | DT-859B |
| Type K Temp | -200°C to 1372°C (-328°F to 2501°F) |
0.1° | Above -100°C (-148°F) ±[0.15%rgd+1°C(1.8°F)] Blow -100°C (-148°F) ±[0.5%rgd+2°C(3.6°F)] |
* | * |
| Air Temp | -30°C~100°C (-22°F~199°F) |
0.1° | ±1°C/1.8°F | * | * |
| Humidity | 0~100%RH | 0.1%RH | ±3.5%RH | * | * |
| Sound Level | 30dB~130dB | 0.1dB | ±3.5dB | * | * |
| Light | 20,200,2000, 20000Lux |
0.01,0.1,1,10Lux | ±5% ±10d | ||
| Anemo | 0.40-30.00 m/s 80-5900 ft/min 1.4-108.0 km/h 0.9-67.0 MPH 0.8-58.0 Knots |
0.01 m/s 1 ft/min 0.1 km/h 0.1 MPH 0.1 knots |
±3% ±0.20 m/s ±3% ±40 ft/min ±3% ±0.8 km/h ±3% ±0.4 MPH ±3% ±0.4 knots |
* | |
| Air Flow | 0-999,900 CFM 0-999,900 CMM |
0.001 to 100 CFM 0.001 to 100 CMM |
Accuracy is function of velocity and area |
* | |
CEM DT 859B – Datasheet
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