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Bacharach MGS-400 User Manual

Refrigerant gas detectors for machinery rooms, cold rooms & freezers
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1100-2294 Rev 0
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Summary of Contents for Bacharach MGS-400

  • Page 1 1100-2294 Rev 0...
  • Page 2 Bacharach, Inc.’s reasonable satisfaction to have been defective; provided that written notice of the defect shall have been given by buyer to Bacharach, Inc. within one (1) year after the date of delivery of this product by Bacharach, Inc.
  • Page 3 Bacharach, Inc. Copyright © 2019, Bacharach, Inc., All Rights Reserved. BACHARACH is a registered trademark of Bacharach, Inc. All other trademarks, trade names, service marks and logos referenced herein belong to their respective companies.

  • Page 4: Table Of Contents

    Table of Contents Table of Contents Service Center Locations Error! Bookmark not defined. 1. Introduction 1.1 About this Manual 1.2 Conventions 1.2.1 Short Form Instructions 1.2.2 Iconography 1.3 General Safety Statements Safe Connection of Electrical Devices 2. Product Descriptions 2.1 Intended Uses / Applications 2.2 MGS-410 2.2.1 MGS-410 Product Overview 2.2.2 MGS-410 Design Features...
  • Page 5 4.1.1 Applying Power & the Start-up Sequence 4.1.2 Verifying Analog Signals 4.1.3 Verifying the Modbus Signal 4.1.4 Status Indication 4.1.5 Switch Functions 4.1.6 Reset System to Factory Default Settings 4.2 MGS-400 Smartphone Application ® 4.2.1 Enable Bluetooth Connection 4.2.2 Checking Status 4.2.3 Instrument Configuration 4.2.3.1 Change Alias...
  • Page 6 Alarm Delay Analog Zero Adjust Analog Span Range 5. Care & Maintenance 5.1 Maintenance Intervals 5.2 Adjustments 5.2.1 Introduction 5.2.2 General Calibration Procedure 5.2.3 Zero Adjustment 5.2.4 Span Adjustment 5.2.5 System Bump Test 5.3 Troubleshooting 5.3.1 Hexadecimal Format 5.3.3 Fault Codes 5.4 Sensor Maintenance 5.4.1 Components Overview 5.4.2 Replacing the Sensor Module...
  • Page 7 6.4.8 MGS Compatibility - Clear Special States 6.4.9 Integration - User Tasks 7. Ordering Information 7.1 Part Numbers 7.1.1 MGS-410 Configurations 7.1.2 MGS-450 Configurations 7.1.3 MGS-460 Configurations 7.1.4 MGS-400 Series Accessories 7.1.5 MGS-400 Pre-calibrated Sensor Modules 7.2 Service Center Locations 1100-2294 Rev 0...

  • Page 8: Introduction

    1. Introduction 1.1 About this Manual Thank you for investing in a Bacharach MGS-400 Gas Detector. To ensure operator safety and the proper use of the gas detector, please read the contents of this manual for important information on the operation and maintenance of the instrument.

  • Page 9: Iconography

    1.2.2 Iconography Alert Icon Description Danger Imminently hazardous situation which, if not avoided, will result in death or serious injury. Warning Potentially hazardous situation which, if not avoided, could result in death or serious injury. Warning Potential electrical shock hazard which, if not avoided, could result in death or serious injury.

  • Page 10: Safe Connection Of Electrical Devices

    CAUTION: Except for maintenance detailed in this manual, these products should only be opened and / or serviced by authorized Bacharach personnel. Failure to comply may void the warrant.

  • Page 11: Product Descriptions

    • MGS-450 - IP66 • MGS-460 - IP66 with Remote IP66 Sensor MGS-400 gas detectors may be connected to a Bacharach’s MGS-408 Gas Detection Controller or a third-party device capable of accepting digital and/or analog outputs from the gas detectors, such as a Building Management System (BMS) or Programmable Logic Controller (PLC).

  • Page 12: Mgs-410 Design Features

    With the integrated Modbus communication, the instrument can be operated as a stand-alone unit or integrated with Bacharach’s MGS-408 8 Channel Modbus Controller. Or a third-party device capable of accepting digital outputs from the gas detectors, such as a Building Management System (BMS) or a Programmable Logic Controller (PLC).

  • Page 13: Mgs-410 Components

    2.2.3 MGS-410 Components This product uses semiconductors which can be damaged by electrostatic discharge (ESD). When handling the PCB, care must be taken so that the electronics are not damaged. Component Description M16 Cable Glands (×4) Rubber Gasket Digital Connection / Modbus (In) Digital Connection / Modbus (Out) Tactile Switch #1 Tactile Switch #2...

  • Page 14: Mgs-450

    Internal Alarm Buzzer Power Connection (Out) Magnetic Switch #1 Magnetic Switch #2 2.3 MGS-450 2.3.1 MGS-450 Product Overview The Bacharach MGS-450 continuously monitors indoor or outdoor ambient air for the following gases:  refrigerants  oxygen  toxic and combustible gases.

  • Page 15: Mgs-450 Design Features

    Bluetooth communication allows for full instrument configuration, initiation of calibration, bump test and functional test mode, and viewing of status information via the corresponding Bacharach iOS / Android app. Pre-calibrated sensor exchange modules can be used for maintenance of the instrument instead of performing gas calibration on site.

  • Page 16: Mgs-450 Components

    Non-intrusive magnetic wand can be used to initiate calibration of the device. 2.3.3 MGS-450 Components This product uses semiconductors which can be damaged by electrostatic discharge (ESD). When handling the PCB, care must be taken so that the electronics are not damaged. 1100-2294 Rev 0...
  • Page 17 Component Description M16 Cable Glands (×6) Rubber Gasket (IP66 Version Only) Internal Alarm Buzzer Power Connections (×2) Digital Connection (Modbus) Analog Connection Tactile Switch #1 Ribbon Cable Connection (To Sensor) Tactile Switch #2 Relay 3 Connection (FAULT) Relay 2 Connection (HIGH) Relay 1 Connection (LOW) Magnetic Switch #1 Magnetic Switch #2...

  • Page 18: Mgs-460

    2.4 MGS-460 2.4.1 MGS-460 Product Overview The Bacharach MGS-450 continuously monitors indoor or outdoor ambient air for the following gases:  refrigerants  oxygen  toxic and combustible gases. The instrument may be purchased in the following configuration:  IP66 with Remote IP66 Sensor, connected via RJ45 cable (up to 20 meters in...

  • Page 19: Mgs-460 Components

    Bluetooth communication allows for full instrument configuration, initiation of calibration, bump test and functional test mode, and viewing of status information via the corresponding Bacharach iOS / Android app. Pre-calibrated sensor exchange modules can be used for maintenance of the instrument instead of performing gas calibration on site.
  • Page 20 Component Description M16 Cable Glands (×6) Rubber Gaskets (×2) Internal Alarm Buzzer Power Connections (×2) Digital Connection (Modbus) Analog Connection Tactile Switch #1 1100-2294 Rev 0...
  • Page 21 Remote Sensor Connections (×2) Tactile Switch #2 Relay 3 Connection (FAULT) Relay 2 Connection (HIGH) Relay 1 Connection (LOW) Magnetic Switch #1 Magnetic Switch #2 M20 Cable Glands (×3) Ribbon Cable Connection (To Sensor) 1100-2294 Rev 0...

  • Page 22: Installation

    3. Installation IMPORTANT: The manufacturer of this product requires that a bump test or calibration be performed following installation to verify instrument functionality. 3.1 General Information Every detail of installation site selection is critical to ensure overall system performance and effectiveness.

  • Page 23: Restrictions

    WARNING: DO NOT allow the lid / sensor to hang from the ribbon cable. Failure to comply may result in damage to the product. 1. Using the provided hardware, securely mount the MGS-400 Gas Detector according to the product dimensions, maximum wiring lengths and following considerations: a.

  • Page 24: Power & Signal Wiring

    CAUTION: This product uses semiconductors which can be damaged by electrostatic discharge (ESD). When handling the printed circuit boards (PCBs), observe proper ESD precautions so that the electronics are not damaged. 3.4.2 Power & Signal Wiring The product comes with cable glands and plugs pre-installed. The power entry cable gland is without a gland plug.

  • Page 25: Relay Wiring

    Analog Output Output ANALOG: + Analog output signal 3.4.3 Relay Wiring WARNING: Relays are rated for 0 to 30V AC/DC. DO NOT apply mains power onto these relays. Using appropriate cable glands, connect the wires for relay 1, relay 2, and relay 3 to the terminals as indicated in the following wiring table.

  • Page 26: Connecting To Mgs-408 Gas Detection Controller

    3.4.5 Connecting to MGS-408 Gas Detection Controller For wiring and configuration information, please refer to the manual which was included with the Bacharach controller (e.g., MGS, GDA, etc.).  At the central control system, connect the shield of the wires to the earth ground of the controller (e.g., the chassis, the ground bus-bar, etc.).

  • Page 27: Conclusion

    ● Ensure instruments at end of bus have 120Ω terminating resistor enabled. Terminating resistors may be enabled via the MGS-400 App (refer to Section 4.2.3.6 for more information). ● Ensure A/B signal polarity is maintained throughout RS-485 network ●...

  • Page 28: Operation

    4. Operation 4.1 Overview of Normal Operation WARNING: Before leaving the instrument for normal operation, check the configuration for proper settings and check calibration. 4.1.1 Applying Power & the Start-up Sequence After applying power, the instrument will go through a start-up sequence (initialization, audible/visual test and self-test sequence).

  • Page 29: Verifying Analog Signals

     4 to 20 mA The MGS-400 Gas Detector uses different voltage/current values to indicate various modes of operation. In normal operation the relative gas concentration output is indicated by the analogue output level. Output level is proportional to the gas level as shown below:...

  • Page 30: Verifying The Modbus Signal

    4.1.3 Verifying the Modbus Signal The MGS-400 Gas Detector provides a Modbus RTU digital interface. All status messages and ® most parameters which can be accessed and/or configured through the Bluetooth interface can also be accessed and/or configured via a Building Management using a Modbus network.

  • Page 31: Switch Functions

    4.1.5 Switch Functions User interaction with the MGS-400 gas detector is accomplished through the use of two magnetic switches located on the bottom of each unit. To actuate a magnetic switch, apply the supplied magnetic wand (P/N: 1100-1004) to the relevant switch location as indicated below : Switch locations above are referred to in this document as MAG#1 and MAG#2.

  • Page 32: Reset System To Factory Default Settings

    4.2 MGS-400 Smartphone Application To download the MGS-400 Smartphone App, visit www.mybacharach.com/apps. The companion smartphone application allows users to perform a variety of functions to configure and interact with the MGS-400 gas detector, including: ● View real-time measurements ● Configure instrument ●...

  • Page 33: Enable Bluetooth Connection

    2. Launch the MGS-400 App and click the Bluetooth icon at the bottom of the screen to initiate a scan. 3. Select the instrument from the list of available Bacharach gas detectors. MGS-410 default alias is “18TMA-DT” MGS-450/460 default alias is “18TMA”...
  • Page 34 Description Alias, user configured instrument name Serial, instrument 8 digit serial number Gas, gas type currently detected by instrument Status ring, provides visual indication of various instrument states (expanded on below) Live Measurement, current measurement in given measurement units Measurement Unit, displayed measurement unit (PPM / PPB / %LEL / %VOL) State Status Description...

  • Page 35: Instrument Configuration

    Instrument will remain unlocked until Bluetooth connection has ended. WARNING: Default alias, passkey and unlock code can be changed via the MGS-400 App’s configuration menu. Default values should be changed after instrument installation for security purposes. 4.2.3.1 Change Alias To allow easy identification of a given instrument, an alias can be assigned to each instrument.

  • Page 36: Change Bluetooth Passcode

    4.2.3.3 Change Bluetooth Passcode ® To prevent unauthorized access to instrument status, default instrument Bluetooth passcode ® code should be changed during commissioning. To change Bluetooth passcode:  Configure Tab Bluetooth Passcode, enter new 6-digit passcode for instrument, select  ...

  • Page 37: High Alarm Setpoint

    IMPORTANT: In instruments with an oxygen sensor installed, low alarm behavior operates in a depletion mode where gas measurements BELOW the low alarm setpoint initiate a low alarm. This allows monitoring of oxygen displacement and enrichment scenarios. IMPORTANT: To prevent intermittent alarm operation at the setpoint due to measurement noise this instrument implements hysteresis at the setpoint.

  • Page 38: Modbus Configuration

    When disabled the alarm or fault status clears automatically as soon as the condition is no longer active. To configure: Configure Tab Alarm Alarm Latching, select enable/disable, select OK to confirm    4.2.3.6 Modbus Configuration Address Sets instrument address for connection to RS-485 Modbus interface. (Default: 1). To set address: ...

  • Page 39: Enable 120Ω Termination

    Typically, this requires a physical resistor with the same characteristic impedance of the bus cable to be installed on the bus. MGS-400 instruments include this termination resistor on all instruments and allow this termination to be enabled via this configuration setting without the need for an external physical resisters.

  • Page 40: Buzzer

    Buzzer Enable or disable buzzer. Buzzer provides local audible alarm/fault indication. Buzzer is enabled by default. To enable/disable buzzer:    Configure Tab Outputs Buzzer, select enable/disable, select OK to confirm Relay Failsafe Enable or disable Relay Failsafe operation. When configured for fail-safe operation, relays are energized during normal operation.

  • Page 41: Analog Span Range

    Adjustment is limited to ±10% full scale To set analog zero adjustment:    Configure Tab Outputs Analog Zero Adjust, use slider to set desired offset adjustment.  Alternatively, tap “Analog Zero Adjust (X.X%)” text and enter specific offset required (-10 to 10) Analog Span Range Analog span range scales the FSD (full-scale deflection) of the analog output.

  • Page 42: Care & Maintenance

    Calibrate the sensor or contact Bacharach for sensor exchange with factory‑ calibrated sensor. As Required Replace sensor module(s) These can be activated via Modbus commands or via the MGS-400 smartphone application. Typical maintenance frequency can vary by sensor type. 1100-2294 Rev 0...

  • Page 43: Adjustments

    Zero First, Then Span: For proper operation, never adjust the span before completing a zero adjustment. Performing these operations out of order will cause faulty calibration. IMPORTANT: Bacharach recommends calibrating detectors within the application-specific condition and with target gas. This method of zeroing the detector in the application environment and performing a target gas calibration is more accurate.

  • Page 44: General Calibration Procedure

    OFFLINE mode times out within 6 minutes (typical) after the adjustment has ended. 5.2.2 General Calibration Procedure WARNING: The MGS-400 Gas Detector MAY NOT be in an alarm or fault condition during calibration. Acknowledge any alarms or faults BEFORE attempting to begin the calibration process.
  • Page 45 4. Complete zero adjustment: a. MGS-400 App: app will countdown to completion. If calibration is successful, proceed to Step 5. If calibration is unsuccessful, return to the Home screen and press the Acknowledge button to clear the zero calibration fault.

  • Page 46: Span Adjustment

    Above 6,560’, the instrument should be calibrated in the environment of operation. 1. Begin span adjustment: a. MGS-400 App: scan barcode on gas cylinder or manually enter values for calibration gas. b. Manual: hold MAG#2 for >5-seconds. The LED will blink green-green-orange when the instrument is ready.

  • Page 47: System Bump Test

    4. Once thresholds have been exceeded, relays should activate, digital outputs should transmit the gas concentration and: a. MGS-400 App: gas concentration should be displayed, the instrument status should be “LOW ALARM” or “HIGH ALARM” and alarms states should be “ON.”...

  • Page 48: Troubleshooting

    5.3 Troubleshooting 5.3.1 Hexadecimal Format All fault codes can be retrieved through the Modbus interface and are shown in hexadecimal (hex) format. A hex digit can represent multiple codes as shown below. Equivalent Equivalent Equivalent Equivalent Code Error Error Error Error Code(s) Code(s)
  • Page 49 Fault Bit System Fault Possible Causes Required Action(s) Firmware error (e.g. Power-cycle. If it re- 0x00000001 Software fault unexpected state) occurs then call service Voltage out of specification 0x00000002 Voltage rail out of range Call service Voltage out of specification 0x00000004 Voltage rail out of range 3.3V...

  • Page 50: Sensor Maintenance

    Power-cycle/Check Sensor EEPROM Read Error in reading from sensor sensor 0x00800000 Fault EEPROM connection/Replace Sensor Module Sensor EEPROM Write Error in writing to sensor 0x01000000 Fault EEPROM Call service Sensor EEPROM CRC Error in CRC from sensor Power-cycle/Replace 0x02000000 Fault EEPROM Sensor Module Sensor EEPROM...
  • Page 51 IP66 Product arrangement shown for reference; Remote Daughterboard PCB shown (used for Remote IP66 Sensor Configurations). Note: Cable Glands and labeling are factory installed. 1100-2294 Rev 0...

  • Page 52: Replacing The Sensor Module

    5.4.2 Replacing the Sensor Module CAUTION: This product uses semiconductors which can be damaged by electrostatic discharge (ESD). When handling the PCB, care must be taken so that the electronics is not damaged. To replace the gas detector’s sensor module: 1.

  • Page 53: Additional Information

    6. Additional Information 6.1 Sensor Principle 6.1.1 Electrochemical Sensors Electrochemical sensors measure the partial pressure of gases under atmospheric conditions. The monitored ambient air diffuses through a membrane into the liquid electrolyte in the sensor. The electrolyte contains a measuring electrode, a counter-electrode and a reference electrode. An electronic “potentiostat”...

  • Page 54: Semiconductor Sensors

    IMPORTANT: Certain substances in the atmosphere to be monitored may impair the sensitivity of the sensors. Such substances include, but are not limited 1. Polymerizing substances such as acrylonitrile, butadiene and styrene, 2. Corrosive compounds such as halogenated hydrocarbons (releasing halogens such as bromine, chlorine or fluorine when oxidized) and halogen hydride acids as well as acidic gaseous compounds such as sulfur dioxide and nitrogen oxides, Catalyst poisons such as sulfurous and phosphorous compounds, silicon...

  • Page 55: Infrared Sensors

    However, this device has not been registered for household usage. Therefore it must not be disposed of through these channels. The device can be returned to your national Bacharach Sales Organization for disposal. Please do not hesitate to contact Bacharach if you have any further questions on this issue.

  • Page 56: Technical Specifications

    6.3 Technical Specifications 6.3.1 General Specifications Category Specifications Signals to Analog Current Normal operation:..........4 to 20 mA Central Controller Drift below zero:............. 3.8 mA Measuring range exceeded:......... 20.5 mA Instrument fault:..........≤ 1.2 mA Fault on analog interface:........> 21 mA Offline mode/Maintenance signal:..
  • Page 57 Power Supply Operating voltage 19.5 to 28.5 VDC; 24 VAC ± 20%, 50/60 Hz and Relays Inrush current 1.5 A Operating current, MGS-410: 2W, 85mA @ 24VDC max. MGS-450/60: 4W, 170mA @ 24VDC Relay rating 3 SPDT 1 A at 24 VAC/VDC, resistive load (10 cm) Audible alarm Internal Buzzer ≥72 dB at 4”...

  • Page 58: Sensor Specifications

    Elevation 0 to 10,000 ft. (3,050 m) altitude Sensors See Section 6.3.2 for sensor specifications. Influences For influences on the measurement performance and restrictions of a particular sensor see sensor data sheet. Agency CE, EN 50270:2015, UL/CSA/IEC/EN 61010-1 Approvals Company Certifications 6.3.2 Sensor Specifications Sensor...

  • Page 59: Modbus Registers

    EC Sensors Formula Measuring Range(s) Ammonia 0 to 100, 0 to 1,000, 0 to 5,000 ppm Carbon Monoxide 0 to 1,000 ppm Nitrogen Dioxide 0 to 20 ppm Oxygen 0 to 30 Vol% 6.4 Modbus Registers IMPORTANT: If items span two registers (e.g., 1005 and 1006), then the registers are “long”...

  • Page 60: Integration - Static Sensor Data

    Accumulated PPM Hours since sensor 1105 32-bit unsigned PPM Hours manufacture (100ppm for 2 hours = 200ppm Integer hours) 1106 Current sensor temperature sensor reading 16-bit signed 1107 Temperature (°C) (°C) Integer 1108 Bit packed sensor fault flags currently active 32-bit unsigned Fault Code (see faults sheet for details of flags)
  • Page 61 Local High Alarm Set point 16-bit unsigned 1128 (PPM/PPB/VOL/LEL) High Alarm in display units (alias of 2107) Integer Calibration Gas Concentration Sensor Calibration gas concentration in 16-bit unsigned 1129 (PPM/PPB/VOL/LEL) display units Integer Sensor Squelch, Unit Value below which gas concentration reads 16-bit unsigned 1130 dependent...

  • Page 62: Integration - General System Setup

    Alias Characters (16 char alias string = 16-bit unsigned 1150 Alias Text Char 3,4 "XXXXXXXXXXXXXXXX") Integer Alias Characters (16 char alias string = 16-bit unsigned 1151 Alias Text Char 5,6 "XXXXXXXXXXXXXXXX") Integer Alias Characters (16 char alias string = 16-bit unsigned 1152 Alias Text Char 7,8 "XXXXXXXXXXXXXXXX")
  • Page 63 Set voltage output (0=1-5V, 1=0-5V, 2=0-10V, 16-bit unsigned 2108 Analogue output Range 3=4-20mA, 4=2-10V) ( if hardware override - Integer write exception / read dip 2&3) Sets Analogue output zero offset to allow 16-bit unsigned 2109 Analogue output Zero Adjust output calibration (in DAC codes) Integer Sets Analog output scaling factor to allow...

  • Page 64: Integration - Calibration

    6.4.4 Integration – Calibration Holding Register (Function 03/06 Read/Write) Concentration of calibration gas applied during Sensor Calibration gas calibration (must be set before calibration if 16-bit unsigned 2200 applied (PPM/PPB/VOL/LEL) using gas != sensor nominal) set to sensor Integer nominal on reset 6.4.5 Integration - User Debug Tools Holding Register (Function 03/06 Read/Write) Setting this flag places the unit into offline...

  • Page 65: Mgs Compatibility - Status Flags

    6.4.6 MGS Compatibility - Status Flags Read Input Status (Function 02 Read) Alarm flag (0 or 1 = alarm) for Set if low or high alarm state Boolean 3000 Any Alarm Relay state (0 or Set if any relay is active (follows relay logical Boolean 3001 1=energized) for any Relay...

  • Page 66: Integration - User Tasks

    6.4.9 Integration - User Tasks Read/Force Coil (Function 01/05 Read/Write) 4100 Restart Force application restart Boolean 4101 Factory Reset Restore system settings to defaults Boolean Clear any fault flags held in the last fault 4102 Clear last faults registers. Any active faults will remain set in Boolean the last fault register Acknowledge latched...

  • Page 67: Ordering Information

    7. Ordering Information 7.1 Part Numbers 7.1.1 MGS-410 Configurations IMPORTANT: In the following table, “MGS-410 Gas Detector” includes an instrument and one sensing head mounted directly to the instrument enclosure. Remote or secondary local sensors must be ordered as separate items. Part Number Description Sensor Type...
  • Page 68 6302-0092 IP66-Rated Enclosure, Modbus Output (CO2 0-20,000 ppm) 6302-0093 IP66-Rated Enclosure, Modbus Output (CO2 0-30,000 ppm) 6302-0094 IP66-Rated Enclosure, Modbus Output (CO2 0-40,000 ppm) 6302-0095 IP66-Rated Enclosure, Modbus Output (CO2 0-50,000 ppm) 6302-0101 IP66-Rated Enclosure, Modbus Output (R134a 0-1,000 ppm) 6302-0103 IP66-Rated Enclosure, Modbus Output (R404A 0-1,000 ppm)
  • Page 69 ppm) 6302-0162 IP66-Rated Enclosure, Modbus Output (R514A 0-1,000 ppm) 6302-0163 IP66-Rated Enclosure, Modbus Output (R452B 0-1,000 ppm) 6302-0164 IP66-Rated Enclosure, Modbus Output (R454A 0-1,000 ppm) 6302-0165 IP66-Rated Enclosure, Modbus Output (R422 0-1,000 ppm) 6302-0166 IP66-Rated Enclosure, Modbus Output (R422D 0-1,000 ppm) 6302-0167 IP66-Rated Enclosure, Modbus Output (R427A 0-1,000...

  • Page 70: Mgs-450 Configurations

    7.1.2 MGS-450 Configurations IMPORTANT: In the following table, “MGS-450 Gas Detector” includes an instrument and one sensing head mounted directly to the instrument enclosure. Remote or secondary local sensors must be ordered as separate items. Part Number Description Sensor Type 6302-1003 IP41-Rated Enclosure, 3×Relays, Analog &...
  • Page 71 6302-1090 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-5,000 ppm) 6302-1091 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-10,000 ppm) 6302-1092 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-20,000 ppm) 6302-1093 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-30,000ppm) 6302-1094 IP41-Rated Enclosure, 3×Relays, Analog &...
  • Page 72 (R452A 0-1,000 ppm) 6302-1158 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R513A 0-1,000 ppm) 6302-1159 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R434A 0-1,000 ppm) 6302-1160 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R450A 0-1,000 ppm) 6302-1161 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R1234yf 0-1,000 pm) 6302-1162 IP41-Rated Enclosure, 3×Relays, Analog &...
  • Page 73 6302-1308 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (NH3 0-1,000 ppm) 6302-1309 IP41-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (NH3 0-10,000 ppm) 6302-2003 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (O2 low alarm 0-30%) 6302-2026 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (NH3 0-100 ppm, LO TEMP) 6302-2028 IP66-Rated Enclosure, 3×Relays, Analog &...
  • Page 74 (CO2 0-20,000 ppm) 6302-2093 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-30,000 ppm) 6302-2094 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-40,000 ppm) 6302-2095 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-50,000 ppm) 6302-2101 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R134a 0-1,000 ppm) 6302-2103 IP66-Rated Enclosure, 3×Relays, Analog &...
  • Page 75 6302-2160 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R450A 0-1,000 ppm) 6302-2161 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R1234yf 0-1,000 ppm) 6302-2162 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R514A 0-1,000 ppm) 6302-2163 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R452B 0-1,000 ppm) 6302-2164 IP66-Rated Enclosure, 3×Relays, Analog &...

  • Page 76: Mgs-460 Configurations

    7.1.3 MGS-460 Configurations IMPORTANT: In the following table, “MGS-460 Gas Detector” includes an instrument and one sensing head mounted to a remote enclosure via 5m of cable (included). Part Number Description Sensor Type 6302-4003 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (O2 low alarm 0-30%) 6302-4026 IP66-Rated Enclosure, 3×Relays, Analog &...
  • Page 77 6302-4090 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-5,000 ppm) 6302-4091 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-10,000 ppm) 6302-4092 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-20,000 ppm) 6302-4093 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (CO2 0-30,000 ppm) 6302-4094 IP66-Rated Enclosure, 3×Relays, Analog &...
  • Page 78 Outputs (R452A 0-1,000 ppm) 6302-4158 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R513A 0-1,000 ppm) 6302-4159 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R434A 0-1,000 ppm) 6302-4160 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R450A 0-1,000 ppm) 6302-4161 IP66-Rated Enclosure, 3×Relays, Analog & Modbus Outputs (R1234yf 0-1,000 ppm) 6302-4162 IP66-Rated Enclosure, 3×Relays, Analog &...

  • Page 79: Mgs-400 Series Accessories

    Strobe; red lens; MP120K 120 V AC adapter 3015-8042 Horn + strobe 24 V DC; amber lens 3015-8045 Strobe; amber lens; MP120K 120 V AC adapter 7.1.5 MGS-400 Pre-calibrated Sensor Modules Part Number Description Sensor Type 6302-9003 O2 low alarm 0-30%...
  • Page 80 6302-9070 NH3 0-30k ppm 6302-9090 CO2 0-5,000 ppm 6302-9091 CO2 0-10,000 ppm 6302-9092 CO2 0-20,000 ppm 6302-9093 CO2 0-30,000 ppm 6302-9094 CO2 0-40,000 ppm 6302-9095 CO2 0-50,000 ppm 6302-9101 R134a 0-1,000 ppm 6302-9103 R404A 0-1,000 ppm 6302-9105 R407A 0-1,000 ppm 6302-9107 R410A 0-1,000 ppm 6302-9109...

  • Page 81: Service Center Locations

    Merchandise Authorization Number (RMA #). All returned goods must be accompanied by a RMA #. Pack the equipment securely (in its original packing, if possible), as Bacharach cannot be held responsible for any damage incurred during shipping to our facility.

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