Portable gas, dust, and smoke sampling instrument flow calibrator model: HAD-7040

1、 Product Overview
This device integrates small flow, medium flow, and large flow calibration. It has high calibration accuracy, is easy to carry, and can meet the needs of the vast majority of gas extraction
The flow calibration of sample instruments is widely applicable to metrological verification, environmental monitoring, labor protection and health, scientific research institutes, and other areas that require gas flow calibration
Occasion.
2、 Execution standards
JJG 586-2006 "Verification Regulations for Soap Film Flowmeters"
HJ/T 368-2007 "Orifice flow meters for calibrating total suspended particulate matter samplers"
3、 Product Features
◆ Specially equipped with national metrology department calibration certificates to ensure measurement accuracy;
◆ Can manually input and measure temperature and atmospheric pressure;
Direct reading of traffic, automatic conversion of standard flow rate;
◆ AC/DC dual-use, built-in high-energy lithium battery;
Large capacity data storage, querying, and printing;
Chinese dot matrix LCD display screen with rich interface display;
◆ Software parameter calibration;
◆ User password protection;
◆ Automatic fault detection and protection.