Dot type toxic gas detector MP840 VOXI MP840 is a point-type toxic gas detector with modular design, intelligent sensor detection technology, intrinsic safety plus flame-proof and explosion-proof design, and fixed installation. Its intelligent processing platform and Smart sensor technology realize the functions of sensor interchange, off-line calibration and zero self-calibration. Three-wire system 4~20mA analog and RS485 digital signal output, optional wireless output and other signal transmission mode, programmable switching output module, customized according to user needs, but also support output signal fine-tuning and other functions, convenient system networking and maintenance. Support for Hart protocol as well as Sil3 certification is widely available.Used in oil and gas, petrochemical, chemical, metallurgy, pharmaceutical, semiconductor and other industries. Universal transmitter platform ● Support for more than 30 gas sensor platforms ● Standard three wire 4 ~ 20mA, RS485 Modbus, wireless and other output signal mode can be selected ● Aluminum alloy or stainless steel case ●Three sets of programmable relays are standard ● The detection concentration range can be adjusted ● Wall or pipe installation, easy and flexible mPower sensor technology ●7R Smart Smart sensor module, anti-poisoning ●Sensor support off-line calibration, sensor plug and play ●Sensor self-diagnosis technology, to ensure the maximum effective operation of the sensor, reduce the cost of use ● Intelligent temperature and zero compensation algorithm ●Automatic reminder of expiration of calibration Security guarantee ● Non-invasive infrared remote control ● Integrated sound and light alarm ● Optional standard Hart protocol for remote diagnosis and setting ●IP67 protection level ●Sil3 Security level authentication ● Easy to clean sensor and light source ● Fault code, can i

MP840 specifications and instrument indicators Configuration Intelligent (Smart) electrochemical sensor module Sampling mode Protection class Working power supply Ambient temperature -40℃~+70℃ (limit value) -40℃~+55℃ (typical value) Ambient humidity Environmental pressure Output signal 4-20mA and RS485 (Standard) 3 sets of relays (standard) Wireless (Optional) Electrical interface Security authentication IECEx：Ex d IIC T6 Gb（pending） Ex tb IIIC T80℃ Db China explosion-proof certification: Ex d IIC T6 Other certification Metrological certification Shell material Aluminium alloy Installation mode...

Hydrogen chloride（HCl） Formaldehyde (HCHO) Carbon monoxide (Resist H2) Hydrogen sulfide (H2S) Oxygen (O2) Ammonia (NH3)

MP840 system diagram Connection mode one Connection mode three

Dimensions and installation diagram of MP840 Hold the transverse pipe installation Wall mounting Note: Despite our best efforts to ensure the accuracy of this publication, we are not responsible for any errors or omissions. Information and regulations are subject to change at any time, so we strongly recommend that you obtain the latest published regulations, standards, etc. The publication does not form the basis of the contract.