MGS-350

Gas Transmitter

MGS-350


Bacharach’s MGS-350 Series Gas Transmitter is a feature-rich gas detection system with a wide range of sensor options to provide real-time monitoring of refrigerant, combustible, TVOC and toxic gases. It comes standard with analog and digital outputs including 4-20 mA, 0-5V, 0-10V and Serial Data, allowing them to connect directly to most BMS, SCADA or control systems.







MGS-350 Gas Transmitters, combined with the MGS Controller, can provide facility owners with a customized and complete low-cost gas-detection system. A variety of housing options are available, from standard to water resistant enclosures, which allow the MGS-350 units to be placed in diverse environments.









Features & Benefits

  • Detects refrigerants (CFCs, HFCs, HCFCs), TVOCs, combustible gases/hydrocarbons, O2, NH3, CO, H2S, H2, NO, NO2, SO2, Cl2 and O3
  • Long-lasting infrared, semiconductor, catalytic bead and electrochemical sensor options for effective leak detection - at the most affordable cost.
  • Pre-calibrated replacement sensors for easy maintenance
  • Two onboard alarm relays (low and high) and integrated visual LED alarm
  • Multiple housing options available, including IP 66 and duct mount, for placement in diverse environments
  • Ideal for Industrial and Commercial Chiller Plants, Food Storage Facilities, Parking Garages, Schools and Hospitals, Maintenance Facilities, Grocery Stores

MGS-350 Specifications

Power Supply 12-24 VAC/12-30 VDC
Power Consumption (12V) 5W maximum
Power Monitoring Green LED
Visual Alarm Red LED
Fault Monitoring Yes [Red LED (On) • Green LED (Off)]
Analog Outputs 4-20 mA, 0-5V, 0-10V, 1-5V, 2-10V
Digital Outputs serial data
Relays 2 relays, ea. rated 1A @ 125 VAC (resistive load)
Alarm Delay Selectable: 0, 1, 5 or 10 minutes
IP Rating IP30 (standard) • IP66 (optional)
Approvals CE • IEC/EN 61010-1 (pending) • UL/CSA 61010-1
Dimensions & Weight
- by enclosure types
Standard: 5.7" x 7.3" x 3.1", 1.9 lb. 145 x 185 x 80mm, 850 g
IP66: 6.9" x 6.5" x 3.2", 1.5 lb. 175 x 165 x 82mm, 660 g)
IP66 w/Splash: 6.9" x 8.9" x 3.2", 1.7 lb. 175 x 225 x 82mm, 756 g
IP66 w/Remote: 6.9" x 6.1" x 3.2", 2 lb. 175 x 155 x 82mm, 917 g
IP66/EXd: 6.9" x 6.1" x 3.2", 2.7 lb. 175 x 155 x 82mm, 1240 g
PRV/IP66: 6.9" x 6.1" x 3.2", 2 lb. 175 x 155 x 82mm, 900 g
Airflow/Duct: 6.9" x 4.9" x 3.2", 1.4 lb. 175 x 125 x 82mm, 643 g
EXd(ATEX only: 5.1" x 6.9" x 3.5", 8.8 lb. 130 x 175 x 90mm, 4003 g

MGS-350 Sensor Information

  Semiconductor (SC) Electrochemical (EC) Infrared (NDIR) Catalytic Bead (CAT)
Temperature Range -4° F to 122° F (Std)
-20° C to 50° C (Std)
-40° F to 122° F (IP66)
-40° C to 50° C (IP66)
-4° F to 122° F (Std)
-20° C to 50° C (Std)
-40° F to 122° F (IP66)
-40° C to 50° C (IP66)
-4° F to 122° F (Std)
-20° C to 50° C (Std)
-40° F to 122° F (IP66)
-40° C to 50° C (IP66)
-4° F to 122° F (Std)
-20° C to 50° C (Std)
-40° F to 122° F (IP66)
-40° C to 50° C (IP66)
Humidity (non-condensing) 0 - 95% 0 - 95% 0 - 95% 0 - 95%
Sensor Life 5 - 8 years (typical) 2 - 5 years (typical) 5 years (typical) 5 years (typical)
Time to Alarm (T50) 20 seconds (typical) 80 seconds (typical) 25 seconds (typical) 42 seconds (typical)
Time to Alarm (T90) 50 seconds (typical) 220 seconds (typical) 90 seconds (typical) 95 seconds (typical)
Recovery Time 900 seconds (typical) 600 seconds (typical) 210 seconds (typical) 600 seconds (typical)
  Gas(es) Detected Measuring Range(s)
Infrared Sensor Carbon Dioxide (CO2)

0 - 5,000 ppm
0 - 10,000 ppm
0 - 20,000 ppm

0 - 30,000 ppm (0-3% vol.)
0 - 50,000 ppm (0-5% vol.)

0 - 100,000 ppm (0-10% vol.)

  Gas(es) Detected Measuring Range(s)
Semiconductor Sensor Refrigerants HFC, HCFC, CFCs:
R134a, R404a, R407a, R410a,
R22, R507a, etc.

0 - 1,000 ppm • 0 - 3,000 ppm • 0 - 5,000 ppm • 0 - 10,000 ppm

R600a, R290 0 - 2,000 ppm
Ammonia (NH3) 0 - 1,000 ppm
0 - 5,000 ppm
0 - 10,000 ppm
Hydrogen (H22) 0 - 2,000 ppm
Hydrocarbons:
Methane (natural gas), Propane,
Butane, LPG, Ethylene, Isobutane
0 - 2,000 ppm
VOCs:
Acetone, Ethanol, Methanol,
Trichloro-ethylene and more
0 - 2,000 ppm
  Gas(es) Detected Measuring Range(s)
Electrochemical Sensor








* Available in standard housing only
Ammonia (NH3) 0 - 100 ppm, 0 - 500 ppm, 0 - 1,000 ppm, 0 - 5,000 ppm
Carbon Monoxide (CO) Industrial 0 - 100 ppm, 0 - 500 ppm, 0 - 1,000 ppm
* Chlorine (Cl2) 0 - 20 ppm
Ethylene (C2H4) 0 - 10 ppm, 0 - 1,000 ppm
Ethylene Oxide (C2H4O) 0 - 20 ppm
* Fluorine (F2) 0 - 1 ppm
Hydrogen (H2) 0 - 1,000 ppm
Hydrogen Chloride (HCl) 0 - 50 ppm
Hydrogen Cyanide (HCN) 0 - 50 ppm
Hydrogen Sulfide (H2S) 0 - 200 ppm
Nitric Oxide (NO) 0 - 100 ppm, 0 - 1,000 ppm
Nitrogen Dioxide (NO2) 0 - 10 ppm
Oxygen (O2) 0 - 30% vol.
* Ozone (O3) 0 - 2 ppm
Phosphine (PH3) 0 - 5 ppm
Sulfur Dioxide (SO2) 0 - 100 ppm
  Gas(es) Detected Measuring Range(s)
Catalytic Bead Sensor Ammonia (NH3) 0 - 30,000 ppm
Hydrogen (H2) 0 - 20,000 ppm
Methane (CH4), LPG, Propane,
Butane
0 - 100% LEL

MGS-350 Ordering Information

Part NumberDescription
  Infrared Sensor: Common Configurations
6500-1091 CO2 IR: 0 - 10,000 ppm • Standard Housing
6500-8091 CO2 IR: 0 - 10,000 ppm • Duct Mount
6500-2051 Combustibles IR: 0 - 100% LEL • IP66 Housing
  Electrochemical Sensor: Common Configurations
6500-1018 CO: Parking Garage • Standard Housing
6500-2018 CO: Parking Garage • IP66 Housing
6500-3031 NH3: 0 - 500 ppm • IP66 w/Splash Guard
6500-4030 NH3: 0 - 100 ppm • IP66 w/Remote Sensor
6500-2001 CO: 0 - 1,000 ppm • IP66 Housing
6500-1019 NO2: Parking Garage • Standard Housing
6500-2019 NO2: Parking Garage • IP66 Housing
6500-2015 O3: 0-2 ppm • IP66 Housing
  Semiconductor Sensor: Common Configurations
6500-7118 NH3: 0 - 10,000 ppm • IP66 w/PRV Sensor
6500-2101 R134a: 0 - 1,000 ppm • IP66
6500-1105 R407a: 0 - 1,000 ppm • Standard Housing
6500-4101 R134a: 0 - 1,000 ppm • IP66 w/Remote Sensor
6500-2120 Ethylene: 0 - 2,000 ppm • IP66
6500-2121 VOC: 0 - 2,000 ppm • IP66
6500-9107 R410a: 0 - 1,000 ppm • Remote Sensor with Faceplate
6500-4119 H2: 0 - 2,000 ppm • IP66 w/Remote Sensor
  Catalytic Bead Sensor: Common Configurations
6500-7020 NH3: 0 - 30,000 ppm • IP66 w/PRV Sensor
6500-2021 H2: 0 - 20,000 ppm • IP66
6500-6022 CH4: 0 - 100% LEL • Exd Remote
6500-7023 LPG/Propane: 0 - 100% LEL • IP66 w/Remote Sensor
  MGS Controller: Common Configurations
6700-0300 MGS Controller • 1 Sensor / 1 Alarm • 110VAC
6700-0370 MGS Controller • 6 Sensors / 2 Alarm • 110VAC
6700-0301 MGS Controller • 1 Sensor / 1 Alarm • 220VAC
6700-0371 MGS Controller • 6 Sensors / 2 Alarm • 220VAC
6700-0352 MGS Controller • 4 Sensors / 2 Alarm • 12VDC
  Please contact your Bacharach sales representative for other
configurations based on your unique specifications.