mPower Electronics VOXI EC MP840 Toxic Gas Transmitter User Manual

mPower Electronics VOXI EC MP840 Toxic Gas Transmitter

Product Usage Instructions

• Usage Instructions:
  • Place the MP840 Toxic Gas Transmitter in the desired location for gas detection.
  • Ensure the device is powered on and properly connected to a power source.
  • Perform the initial two-point calibration by setting zero and span values according to the user manual.
  • Allow the transmitter to warm up for optimal performance.
  • The device will continuously monitor the environment for toxic gases and provide alerts if detected.

FAQs

• Q: How often should the MP840 Toxic Gas Transmitter be calibrated?
  • A: It is recommended to calibrate the transmitter at least once every six months or as specified in the user manual, especially if there are significant environmental changes or sensor replacements.
• Q: Can the MP840 transmitter detect multiple types of toxic gases simultaneously?
  • A: The MP840 is designed to detect specific types of toxic gases based on its sensor modules. It is recommended to use multiple transmitters for detecting different types of gases simultaneously.

INTRODUCTION

• The VOXI EC MP840 is a point-type toxic gas transmitter designed with smart sensor technology and an integral flameproof enclosure for fixed applications.
• The versatile platform offers over 10 chemical sensor options, auto-zeroing and offline calibration.
• Three-wire 4-20 mA analog and RS485 digital signal outputs are standard, while wireless output is optional.
• Various applications include oil & gas, petrochemical, chemical, metallurgical, pharmaceutical, semiconductor, environmental monitoring, and other industry facilities.

Features, Functions and Benefits

• Supporting >10 smart modules with sensor identification and manufacturing data
• Sensor diagnosis, temperature compensation and auto-zeroing
• LCD with backlight colour varying with alarm condition
• Calibration due date
• 3 wires for 4-20 mA and RS485 ModBus output
• Infrared remote programmer for settings, calibrations and adjustments
• Error codes for easy troubleshooting
• Recoverable factory settings
• IP67 rating
• IECEx certification
• Optional ISM 915MHz modem for wireless connectivity at no subscription fee (check availability)

Specifications

Detector Specifications

-40° to +158°F (-40° to +70°C) intermittent

Humidity| 10% to 95% Relative Humidity (non-condensing)
Pressure| 86 to 106 kPa (0.85 to 1.05 atm)
Power| <1W; 10-30 VDC supply
Sampling| Diffusion
Display| 4-digit segmented LCD
Configuration| Via remote infrared programmer
Outputs| Analog: 4-20 mA (3 wires) Digital: RS-485

ModBus 3 Relays

Wireless ISM 915MHz (optional) 1-mile line of sight

Alarms| LCD & LED flashing,

external strobe and horn (optional)

Housing| Explosion-proof aluminium alloy
Housing Entries| 4 Conduit entries ¾” NPT 1 Port M28x1 fitting
Installation| Pipe bolt or wall mount
IP Rating| IP-67
EMI/RFI| Compliant with EMC Directive 2014/30/EU
Safety Certifications| IECEx Ex db ia IIC T6 Gb Ex ia tb IIIC T80°C Db

CNEX **** Ex d IIC T6

Installation| Pipe holding, wall mount
Warranty| 2 years on CO & H2S sensors, 1 year on others

Standard

• Gas Transmitter with Sensor installed
• Rain Shield & Calibration Cap
• Infrared Remote Programmer
• Quick Start Guide
• Calibration Certificate

Optional

• Mounting Bracket
• Strobe and Horn with 3/4″ NPT Fitting

Sensor Options

Sensor Options

Sensor| Range| Resolution
O 2 (Oxygen) Lead-Free| 0-30%Vol| 0.1%Vol
CO (Carbon Monoxide)| 0-500 ppm| 1 ppm
0-1000 ppm| 1 ppm
0-2000 ppm| 1 ppm
H 2 S (Hydrogen Sulfide)| 0-200 ppm| 0.1 ppm
0-1000 ppm| 1 ppm
SO 2 (Sulfur Dioxide)| 0-20 ppm| 0.1 ppm
H 2 (Hydrogen)| 0-1000 ppm| 1 ppm
HCN (Hydrogen Cyanide)| 0-100 ppm| 0.1 ppm
NH 3 (Ammonia)| 0-100 ppm| 1 ppm
0-1000 ppm| 1 ppm
CO (H 2 -resistant) | 0-1000 ppm| 1 ppm
NO (Nitric Oxide) | 0-250 ppm| 1 ppm
NO 2 (Nitrogen Dioxide) | 0-20 ppm| 0.1 ppm
Cl 2 (Chlorine) | 0-50 ppm| 0.1 ppm
PH 3 (Phosphine) | 0-20 ppm| 0.01 ppm
0-1000 ppm| 1 ppm
ETO (Ethylene Oxide) | 0-100 ppm| 1 ppm
***** Check availability

DIMENSION

Check availability

Electrical connections

Due to ongoing research and product improvement, specifications are subject to change without notice

CONTACT

• Santa Clara
• Houston
• Shanghai
• www.mpowerinc.com
• HQ Office: 408-320-1266
• 1-866-mPower7
• Distributed By: ……………….

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