This instrument integrates micropressure, gauge pressure, temperature, and flow calibration into one unit. It offers high calibration accuracy and is easy to carry, meeting the full-function calibration requirements of smoke and dust testers as well as the calibration of other sampling instruments. The product is widely used in environmental protection, metrology, health, labor, safety supervision, military, scientific research, education, and other fields.
Applicable Standards
- HJ/T 368-2007 Technical Requirements and Test Methods for Orifice Flowmeters Used in Calibrating Total Suspended Particulate Samplers
- JJG 640-2016 Differential Pressure Flowmeters
- JJG 875-2019 Digital Pressure Gauges
Main Features
- Comes with a calibration certificate issued by the national metrology department, ensuring high measurement accuracy;
- Horizontal design, ergonomic and more convenient to use;
- Equipped with voice broadcast function for easier operation;
- Multi-functional, capable of measuring micro, small, medium, and large flow rates across multiple channels, covering a wide flow range;
- Multiple flow channels can operate simultaneously for synchronized calibration, and one-key calibration is available for instruments that comply with the protocol;
- Features PT100 flue gas temperature calibration and verification function (including 0°C, 44°C, 80°C, 120°C, 195°C, 200°C, 300°C, 400°C), and dry-wet bulb calibration function;
- 8-inch touchscreen design with a large display area, abundant data, and easy operation for user convenience;
- Equipped with flowmeter temperature and pressure measurement functions, capable of automatically converting flow rates under standard, reference, and ambient conditions;
- Features ambient temperature and atmospheric pressure measurement functions;
- Capable of automatic pressurization within the micropressure and gauge pressure measurement ranges, with a maximum allowable error of no more than ±1 Pa for micropressure automatic pressurization and no more than ±0.1 kPa for gauge pressure automatic pressurization;
- Can calibrate dynamic pressure, static pressure, flue gas temperature, and flow rate of smoke and dust samplers, as well as the pressure and flow rate of oil vapor recovery detectors;
- Equipped with a high-energy lithium battery, allowing operation without an external power source;
- Provides data storage, query, printing, and export functions, enabling precise retrieval of historical data;
- Features a Bluetooth high-speed, low-noise micro thermal printer for wireless connection, making real-time data access effortless;
- Provides a USB interface for exporting data files and supports instrument software upgrades;
- Calibration operations are password-protected, and a factory reset function is provided;
- The entire unit is manufactured with precision molds, featuring light weight, compact size, and portability;
- The instrument is built with an electronic tag, which can be used in conjunction with the instrument inventory management platform software to achieve intelligent instrument management.





