Advanced surface particle counting

New generation of 0.2 µm surface particle counters.

  • 200 nm particle detection
  • Highest accuracy
  • Highest repeatability
  • Advanced on-screen analysis
  • Truly portable
  • Groundbreaking technology
Teilch TCH Surface particle counter with surface probe

0.2–10 µmContinuous particle size range
0.1 CFMActive flow control
ContinuousParticle-size channels

Surface cleanliness, monitored with confidence

Teilch particle counters show significant advantages when compared to existing solutions. TCH Surface is part of the next generation of full-spectrum particle counters, designed for surface cleanliness monitoring and certification in industrial and healthcare cleanroom environments.

Innovations in light source, flow control, electronics, component integration and software enable state-of-the-art equipment for an expanded market beyond the semiconductor industry.

Designed & assembled in the USA

Specifications

TCH Surface technical specifications.

Main uses Surface cleanliness monitoring and certification in industrial and healthcare cleanroom environments
Particle size range 0.2 µm (50%) to 10 µm, continuous
Channels Unlimited number of channels; capture size information for each and every single particle
Supported standards ISO 21501-4 (Instrument), US FED STD 209E and ISO 14644-1 (Cleanroom Classification)
Particle sensor High sensitivity, ultra-low noise and fully compensated
Flow 0.1 CFM with internal flow meter (1% FS) and active flow control
Light source High-power, >10,000-hour laser diode with active control, full temperature compensation and stabilization
Probe High-pressure air jets; 40 kHz ultrasonic transducers; 15.9 cm2 sensing area
Humidity sensor 5% to 95%, ±2%
Temperature sensor 0–50 °C, ±0.1 °C (internal and external sensors)
Display 7-inch color LCD
Battery Li-Ion, 4 hours continuous sampling, 10 hours intermittent sampling
Storage Internal and USB
Connection USB, Ethernet, Wi-Fi
Dimensions 185 mm (W) × 185 mm (H) × 230 mm (D)
Weight 3300 g (without accessories)

Discuss your surface monitoring application

Talk to the Teilch team about TCH Surface.

Contact us