Brandt Instruments Representing Otis Instruments Fixed Gas Detection System, OI-7543 WireFree 6-Channel Receiver for Gen II Fixed Gas Detection Systems
                    Brandt Instruments Representing Otis Instruments
   


Otis Instruments Fixed Gas Detection Systems Logo

Otis Instruments OI-7543-6
WireFree™ 6-Channel Remote Gas Sensor Monitor
Fixed Point Gas Detection Systems

home » otis instruments fixed point detectors » OI-7543-6 » OI-7543 WIreFree 6-Channel Remote Sensor Monitor

 

     Otis Instruments OI-7543 WireFree 4-Channel Monitor Receiver for WireFree Gen II Assemblies

WirelessHart Network Module Reference


OI-7543-6-X-X-I
WireFree™ 6-Channel Monitor
For Gen II Remote Sensors

The Otis Instruments OI-7543-6 six channel monitor with 3 Dry Contact Relays can monitor up to 6 individual GEN II WireFree sensor assemblies and transmitters. Standard DC or optional AC power option.

An RS-485 Modbus output allows for data communication to a PLC or other system monitoring device. The OI-7543-6 is available with an optional WirelessHART® module that allows the received sensor readings to be viewable on a WirelessHART® network.

The ability to mount the device near the entrance of a site allows the technician to immediately determine if it is safe to enter the site, making this device incredibly useful in any environment hosting hazardous gas.


    Connect up to 6 Otis GEN II WireFree sensor inputs
    Ability for each relay to be latched or non-latched
   Ability to disable alarm relays
   AC or DC power-in option
   Easy radio interface with Otis remote WireFree sensors 
   Rapid response and clearing time
   3 dry contacts for lights & accessories
    Non-intrusive setup with MENU, ADD and SUB buttons
   Optional pre-mounted alarms for quicker, easier installation

   Radio Options:
              Gen II radio 900 MHz, 200mW
               (2.4 GHz ISM, 100mW available for international use)

                                                                                     


OI-7543-6 WireFree 6-Channel Remote Sensor Monitor
Technical Specifications

Enclosure
 Fiberglass Enclosure w/ Clear Window
Size & Weight 8 " x 8" x 4" (Max. Dimensions w/ Attachments) | 12.8 lbs
Display 128x64 Resolution Graphical LCD Screen
Transflective (Sunlight Readable) with LED Backlight
Channels

6 Channels with individually configurable set-poiints
Interface 3 Push-Buttons (MENU, ADD, and SUB)
3 Magnetic Non-Intrusive Switches
Networks -52 Networks (GEN II 900 MHz Radio)
78 Networks (GEN II 2.4 GHz Radio)
255 Addresses per Network
Relays 3 Dry-Contact Relays with 4 Amp Replaceable Fuses
Wet Contact Fault Terminal
3 Individually-Configurable Alarm Set-Points/Channel
Latching and Non-Latching Relay Settings/Channel
Output RS-485 Modbus
Optional WirelessHART® Module (disables RS-485 Modbus Output)
Tamb Temperature Range -40° C to 70° C | -40° F to 158° F
Operating Voltage 12V to 35V DC
Power Supply 3.13A (75W), 85/264V AC to 24V DC (Optional)
Current Draw 275 mA Maximum
Radio Options 1.  2.4 GHz ISM, 100mW, 3 miles line-of-sight
2.  900 MHz, 200mW
Radio Transmission Every 1 minute with no change from sensor
Every 5 seconds with change from sensor
Warranty

Hardware: One year (limited)

Part Number Formula OI-7543-6-[Radio]-[Power]-[Enclosure]
OI-7543-6-X-X-I
Optional WirelessHART® Kit OI-HART-KIT - WirelessHART® Module with 2.4 GHz external antenna
Otis WireFree Logo

Otis OI-7543-6 Data Sheet

   OI-7543-6 Manual

For additional accessories & options:  Accessories

CSA Certification Icon
ATEX Certification Icon

Otis Instruments OI-7543 WireFree 6-Channel Monitor

OI-7543-6 WireFree 6-Channel Monitor Diagram

Otis Instruments Replacement Gas Sensors
For Wired or WireFree™ Remote Sensor Assemblies

Part # Description Range Resolution
Accuracy
OI-254-O2 O2, Oxygen 0 - 25% vol 0.1%
± 2%
OI-2018-SB-CB2 LEL, Combustible Gas
(Catalytic Bead) (OI-6000 only)		 0 - 100% LEL 1.0% Increments
±1%
OI-140-IR-LEL LEL, Combustible Gas (Infrared)
(OI_6000 only)		 0 - 100% LEL 1.0% Increments
± 2%
OI-254-CO CO, Carbon Monoxide 0 - 1000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-140-IR-CO2 CO2, Carbon Dioxide
(OI-6000 only)		 0 - 5% vol 0.1 ppm
± 2%
OI-254-H2S H2S,  Hydrogen Sulfide 0 - 100 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-H2S-2K H2S, Hydrogen Sulfide (Ext.Temp) 0 - 2000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-NH3 NH3, Ammonia 0 - 100 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-NH3A-N NH3, Ammonia (Ext) 0 - 1000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-Cl2 Cl2, Chlorine 0 - 10 ppm 0.1 ppm
± 5%
OI-254-F2 F2, Florine (Call for availability) 0-1 ppm 0.01 ppm
± 5%
OI-254-CH2O CH2O, Formaldeyde 0-10 ppm 0.01 ppm
± 2%
OI-254-H2 H2, Hydrogen 0- 4% vol 0.1 ppm
± 10%
OI-254-HCL-A HCL, Hydrogen Chloride 0- 100 ppm 0.1 ppm
± 5%
OI-254-HCN-2 HCN, Hydrogen Cyanide 0- 100 ppm 0.1 ppm
± 5%
OI-254-HF HF, Hydrogen Floride 0 - 10 ppm 0.1 ppm
± 10%
OI-254-NO2-N NO2, Nitrogen Dioxide 0-50 ppm 0.1 ppm
± 5%
OI-254-O3 O3, Ozone 0-100 ppm .1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-SO2 SO2, Sulfur Dioxide 0 - 20 ppm .1 to 10 ppm, 1 ppm thereafter
± 2%
OI-254-PH3-5-5 PH3, Phosphine 0 - 5 ppm 0.1 ppm
± 2%
OI-PID-A1 PID, Photo Ionization Detector for volatile organic compounds (VOCs) 0-2000 ppm 0.1 to 10 ppm, 1 ppm thereafter
± 5%
OI-254-AH PID, Photo Ionization Detector for volatile organic compounds (VOCs)

0-50 ppm

0.1 to 10 ppm, 1 ppm thereafter
± 3%


Note: Other gases and ranges available. Contact us for additional information

Green_Back-To-Top_Icon


WARNING! Otis Instruments equipment should only be used in conjunction with the manufacturer's instructions.
Failure to follow such instructions could result in serious injury or fatalities.

Return to Brandt Instruments
For more information  Email Mail
Brandt Instruments, Inc. 
    18568 Oak Grove Parkway 
    Prairieville, LA  70769 
1-800-337-6291  
Phone: 225-673-6776
 Fax: 225-673-6725

Visa, MC, AmEx, Discover Cards

Copyright © 2002-2022 Brandt Instruments, Inc.

 
s