Original: $1,999.00
-65%$1,999.00
$699.65The Story
* Customers outside the USA need to pay taxes on their own.
We will arrange the shipment within 30 working days after your payment.
The PMS 31 is a high-precision remote particle counter designed for professional cleanroom and industrial air quality monitoring. Built for reliability and accuracy, it features a 7-channel particle size detection system and a powerful built-in 28.3 L/min vacuum pump for high-volume sampling.
Engineered with industrial-grade components, the PMS 31 delivers stable, long-term operation in demanding environments such as semiconductor, pharmaceutical, and precision manufacturing facilities. Its metal housing ensures durability and strong anti-interference performance.
All instruments are ISO 21501 and JJF 1190-2008 compliant, ensuring measurement traceability and consistency with global standards.
Key Features
-
Seven-channel monitoring: 0.3 μm, 0.5 μm, 0.7 μm, 1.0 μm, 2.5 μm, 5.0 μm, 10 μm
-
High flow rate: 28.3 L/min (±5%) for fast and accurate particle sampling
-
Long-life laser source: 50 mW / 780 nm, up to 20,000 hours of continuous operation
-
Industrial-grade RS485 (Modbus RTU) communication for seamless integration
-
5-inch TFT display for intuitive data visualization
-
Adjustable sampling time: ≥ 10 seconds
-
Built-in air pump — compact design, easy installation, and maintenance-free
-
Wide operating range: 0–50 °C; DC 24 V supply
Specifications
| Parameter | PMS 31 |
|---|---|
| Measured Particle Size | 0.3 μm, 0.5 μm, 0.7 μm, 1.0 μm, 2.5 μm, 5.0 μm, 10 μm |
| Counting Efficiency | 0.3 μm: 50%; ≥ 0.5 μm: 100% |
| Resolution | 1 P/L |
| Flow Rate | 28.3 L/min (Error ±5%) |
| Vacuum Source | Built-in air pump |
| Measurement Principle | Light scattering method |
| Laser Source | 50 mW / 780 nm long-life laser |
| Alarm | Indicator light |
| Sampling Time | Adjustable (≥10 s) |
| Communication | RS485 (Modbus RTU) |
| Operating Temperature | 0–50 °C |
| Storage Temperature | -20–60 °C |
| Operating Voltage | DC 24 V |
| Operating Current | 3500 mA (average) |
| Display | 5-inch TFT screen |
| Dimensions | 120 × 180 × 80 mm |
Why Choose PMS 31
-
Meets ISO 21501 and JJF 1190-2008 standards
-
Designed for continuous operation (24/7 use)
-
Compatible with industrial monitoring networks
-
Reliable, efficient, and built for high-purity applications
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
* Customers outside the USA need to pay taxes on their own.
We will arrange the shipment within 30 working days after your payment.
The PMS 31 is a high-precision remote particle counter designed for professional cleanroom and industrial air quality monitoring. Built for reliability and accuracy, it features a 7-channel particle size detection system and a powerful built-in 28.3 L/min vacuum pump for high-volume sampling.
Engineered with industrial-grade components, the PMS 31 delivers stable, long-term operation in demanding environments such as semiconductor, pharmaceutical, and precision manufacturing facilities. Its metal housing ensures durability and strong anti-interference performance.
All instruments are ISO 21501 and JJF 1190-2008 compliant, ensuring measurement traceability and consistency with global standards.
Key Features
-
Seven-channel monitoring: 0.3 μm, 0.5 μm, 0.7 μm, 1.0 μm, 2.5 μm, 5.0 μm, 10 μm
-
High flow rate: 28.3 L/min (±5%) for fast and accurate particle sampling
-
Long-life laser source: 50 mW / 780 nm, up to 20,000 hours of continuous operation
-
Industrial-grade RS485 (Modbus RTU) communication for seamless integration
-
5-inch TFT display for intuitive data visualization
-
Adjustable sampling time: ≥ 10 seconds
-
Built-in air pump — compact design, easy installation, and maintenance-free
-
Wide operating range: 0–50 °C; DC 24 V supply
Specifications
| Parameter | PMS 31 |
|---|---|
| Measured Particle Size | 0.3 μm, 0.5 μm, 0.7 μm, 1.0 μm, 2.5 μm, 5.0 μm, 10 μm |
| Counting Efficiency | 0.3 μm: 50%; ≥ 0.5 μm: 100% |
| Resolution | 1 P/L |
| Flow Rate | 28.3 L/min (Error ±5%) |
| Vacuum Source | Built-in air pump |
| Measurement Principle | Light scattering method |
| Laser Source | 50 mW / 780 nm long-life laser |
| Alarm | Indicator light |
| Sampling Time | Adjustable (≥10 s) |
| Communication | RS485 (Modbus RTU) |
| Operating Temperature | 0–50 °C |
| Storage Temperature | -20–60 °C |
| Operating Voltage | DC 24 V |
| Operating Current | 3500 mA (average) |
| Display | 5-inch TFT screen |
| Dimensions | 120 × 180 × 80 mm |
Why Choose PMS 31
-
Meets ISO 21501 and JJF 1190-2008 standards
-
Designed for continuous operation (24/7 use)
-
Compatible with industrial monitoring networks
-
Reliable, efficient, and built for high-purity applications
