CEM-DT-9880 Air Particle Counter

CEM DT-9880 Air Particle Counter is a professional portable instrument designed for monitoring airborne particulate contamination and environmental conditions. It simultaneously measures six particle-size channels and provides temperature and humidity measurements, making it suitable for cleanrooms, electronics manufacturing, HVAC evaluation and indoor air-quality monitoring.

Simultaneously measures 6 particle-size channels.
Particle channels: 0.3, 0.5, 1.0, 2.5, 5.0 and 10 µm.
Internal pump provides 2.83 L/min (0.1 ft³/min) flow rate.
2.8-inch TFT color LCD display.
Display resolution of 320 × 240 pixels.
Measures air temperature and relative humidity.
Calculates dew point and wet-bulb temperature.
Supports Totalize, Concentration and Audio count modes.
Stores up to 5,000 measurement records.
MicroSD card support up to 8 GB.
Built-in camera supports JPEG images and 3GP video.
USB interface for data transfer.
MAX, MIN, DIF and AVG recording functions.
Selectable sampling time and programmable delay.
Automatic power-off function.
Rechargeable battery for portable operation.

Specifications

Parameter	Specification
Brand	CEM
Model	DT-9880
Product Type	Air Particle Counter
Particle Channels	0.3 / 0.5 / 1.0 / 2.5 / 5.0 / 10 µm
Number of Channels	6
Flow Rate	2.83 L/min (0.1 ft³/min)
Flow Control	Internal Pump
Counting Efficiency	50% @ 0.3 µm; 100% for particles >0.45 µm
Coincidence Loss	5% at 2,000,000 particles/ft³
Count Modes	Totalize / Concentration / Audio
Air Temperature Range	0–50°C
Temperature Accuracy	±0.5°C (10–40°C); ±1.0°C Otherwise
Relative Humidity Range	0–100% RH
Humidity Accuracy	±3% RH at 40–60% RH
Dew Point	Supported
Wet Bulb Temperature	Supported
Display	2.8" TFT Color LCD
Display Resolution	320 × 240 Pixels
Data Storage	Up to 5,000 Records
Memory Card	MicroSD, up to 8 GB
Camera	Built-In
Image Format	JPEG
Video Format	3GP
USB Interface	Yes
Battery	Rechargeable
Battery Life	Approx. 4 Hours Continuous Use
Charging Time	Approx. 2 Hours with AC Adapter
Operating Temperature	0–50°C
Storage Temperature	-10–60°C
Dimensions	240 × 75 × 57 mm
Weight	Approx. 570 g
Primary Application	Cleanroom, Indoor Air Quality & Environmental Monitoring

Applications

Cleanroom Monitoring – Checking airborne particle contamination.
Electronics Manufacturing – Environmental monitoring in sensitive production areas.
SMT Production Areas – Monitoring particulate conditions around manufacturing processes.
Laboratories – Airborne particle and environmental measurements.
HVAC Systems – Checking air cleanliness and filtration performance.
Indoor Air Quality – Monitoring airborne particulate levels.
Controlled Environments – Routine contamination checks.
Quality Control – Recording environmental measurement data.
Facility Maintenance – Checking environmental conditions in production areas.
Environmental Monitoring – Particle, temperature and humidity measurement.