iTrans Stainless Steel
  • O2, toxic or combustible gas detector
  • Corrosion resistant housing
  • Dual sensor platform (on-board & remote placement)
  • 4-20 mA and ModBus RTU output

Enclosed within an explosion-proof stainless steel housing, the Stainless Steel iTrans™ is built to withstand corrosion in harsh environments such as offshore drilling platforms, chemical plants or applications near a saltwater coastline.

The iTrans monitors employ an intelligent electronics platform to provide maximum flexibility, superior performance and lower installation costs. The three or four wire system allows gas sensors to be mounted on-board or remotely up to 200 meters away, and can accommodate more than 200 transmitters in RS485 bus configuration. Able to monitor any combination of gases for a specific environment, iTrans™ uses our industry-proven “smart” sensor technology and safety features including automatic sensor recognition, zero and cal fault protection, and access code security.

The microprocessor-controlled transmitters are capable of independent operation or multi-point system configuration and can transmit a 4-20mA signal or ModBus RTU digital output to any control device or PLC. With optional on-board relays, the monitor has the added ability of stand-alone operation, activating alarms, horns, or fans and can also shut down a system without the need to wire back to a central control panel.

iTrans also offers a relay deactivation feature to prevent accidental alarm activation during calibrations. The units also feature simple non-intrusive calibration, ultra-bright LED display, programmable alarms, and on-board sensor life indicators.

Feature
Benefit
Single or dual channel configuration
Flexible platform allows for any combination of sensors. Lower price point per channel for monitoring more than one gas in an area.
 
ModBus RTU interface
Allows system integrators to connect iTrans to SCADA, HMI, and PLC systems.
 
Remote sensors
Sensors are designed to be mounted remotely from the iTrans head (up to 200 meters away) or in a stand-alone fashion (in ModBus applications).
 
Non-intrusive calibration
Allows field calibration in hazardous locations.
 
LED display
Large, bright display that can be seen from across plant; easy to read in dark environments.
 
On-board relays
Enables user to activate alarms, horns, fans, locally without the need for a controller.
 
Low-cost
Extremely low price per point of detection
 
Push button/keypad operation
Intuitive, easy-to-use interface makes it simple to program alarms, set relays, zero, calibrate, and change span gas settings.
 
Field upgradable “smart” sensors
Second sensor can be added at any time in the field. Sensor type can also be changed in the field.
 
Programmable alarms
Programmable low and high alarms for each channel; flashing alarm message on LED display activates to indicate hazardous conditions.
 

Enclosure:

Cast aluminum, poly-bonded coating or 316 stainless steel. Both are explosion-proof, NEMA 7X, IP66 rated

Sensors:
Combustible Gases: Catalytic bead and/or Non-Dispersive Infrared (NDIR)
Oxygen/Toxic Gases: Electrochemical diffusion
Ranges:

 

Gas Symbol Range Increments
Combustible gases LEL 0 to 100% LEL 1%
Hydrogen H2 0 to 999 ppm 1 ppm
Oxygen O2 0 to 30.0% of volume 0.1%
Ammonia NH3 0 to 200 ppm 1 ppm
Carbon Monoxide CO 0 to 999 ppm 1 ppm
Hydrogen Sulfide H2S 0 to 500 ppm 1 ppm
Sulfur Dioxide SO2 0.2 to 99.9 ppm 0.1 ppm
Hydrogen Cyanide HCN 0.2 to 30 ppm 0.1 ppm
Hydrogen Chloride HCL 0.2 to 30 ppm 0.1 ppm
Phosphine PH3 0 to 1 ppm 0.01 ppm
Nitrogen Dioxide NO2 0.2 to 99.9 ppm 0.1 ppm
Nitric Oxide NO 0 to 999 ppm 1 ppm
Chlorine Cl2 0.2 to 99.9 ppm 0.1 ppm
Chlorine Dioxide ClO2 0.02 to 1 ppm 0.01 ppm
Display:
Dual-channel split-screen LED display (4 digit, 7 segment arrangement per channel) provides simultaneous display of one or two gases.
Input Voltage:
12-28 VDC operating range (24 VDC typical)
Input Current (max.):

Toxic Gas/Oxygen: 150 mA @ 24 VDC (single gas)
Combustible gases (Catalytic): 175 ma @ 24 VDC, 0.6 A peak (single gas)
Combustible gases (Infrared): 150 ma @ 24 VDC, 0.6 A peak (single gas)
Combined catalytic/infrared: 280 ma @ 24 VDC (two gas)

Signal Output:
4-20 ma, (linear analog) and ModBus RTU (digital) RS485 digital communication with ModBus RTU software protocol system at 9600 baud. Three or four wire system capable of accommodating over 200 devices in bus configuration. Address selection through on-board 8-position dipswitch.
Alarm Relays:
3 alarm relays: Two user-programmable relays, SPST, N.O.; plus one fault relay, SPST, N.C.
Contact Capacity:
5 Amps @ 30 VDC
Temperature Range:
-20°C to 50°C (-4°F to 122°F), typical

Humidity Range:

15-90% RH (non-condensing), typical
Approvals:
(sensor-specific)

NRTL/c and CSA: Class I, Div. 1, 2, Groups B, C, D; AEx  d IIB + H2
ATEX: Ex d IIB + H2 T5 (sensor-specific)
IEC: Ex d IIB + H2 T5 (sensor-specific)
China: GB 3836.1-Ex d IIC T4; LEL version
             GB15322-94 Fire protection

Consult factory for current approval status

Remote Alarms / Alarm Modules
Part Number Description
 
77016632 24 VDC Audio/Visual Alarm Red Lens
 
77016640 24 VDC Audio/Visual Alarm Amber Lens
 
77016657 24 VDC Audio/Visual Alarm Clear Lens
 
68100296 Alarm Indicating Station, 24 VAC Audio/Visual Alarm
 
68100304 Alarm Indicating Station, 24 VDC Audio/Visual Alarm
 
68100312 Alarm Indicating Station, 120 VAC Audio/Visual Alarm
 
78100112 120 VAC Visual Remote Alarm
 
78100138 24 VDC Visual Remote Alarm
 
78100146 120 VAC Audio Remote Alarm w/o Silence Switch
 
78100161 24 VDC Audio Remote Alarm w/o Silence Switch
 
78100054 120 VAC Audio/Visual Remote Alarm w/ Silence Switch
 
78100070 24 VDC Audio/Visual Remote Alarm w/ Silence Switch
 
77016814 12 / 24 VDC Banshee Alarm
 
   
iTrans Replacement Sensors
Part Number Description
 
77024453 Ammonia Sensor
 
77024438 Carbon Monoxide Sensor
 
77024479 Chlorine Sensor
 
77024511 Chlorine Dioxide Sensor
 
77024446 Hydrogen Sensor (ppm)
 
77024461 Hydrogen Chloride Sensor
 
77025898 Hydrogen Cyanide Sensor
 
77024420 Hydrogen Sulfide Sensor
 
77024404 LEL Catalytic Sensor
 
77024487 Nitric Oxide Sensor
 
77024495 Nitrogen Dioxide Sensor
 
77024412 Oxygen Sensor
 
77025872 Phosphine Sensor
 
77024503 Sulfur Dioxide Sensor
 
77027944 Carbon Monoxide (H2 Null)
 
     
Power Supplies 
Part Number Description
 
78101151 Model 6510 Power Supply Standard 110 VAC to 24 VDC, 50 W output
 
78101169 Model 6565 140 W Offline-type UPS w/ Internal 24 VDC, 50 W output
 
78101581 Model 6580 400 W / 800 W Peak Battery Backup System, Expandable offline-type UPS, 110 VAC, w/ modified sine wave output
 
   
Mounting Kits
Part Number Description
 
78104312-STND Duct Mount Kit for iTrans Catalytic/Toxic/Oxygen
 
78104312-IR Duct Mount Kit for iTrans Infrared
 
   
Remote Sampling Pumps
Part Number Description
 
78104130 Remote Sample Pump 24 VDC Operation
 
78104122 Remote Sample Pump 120 VAC Operation
 
   
Accessories
Part Number Description
 
77015741 Calibration Cup for Infrared Sensor 
 
77014579 By-Pass/Flow-thru Kit (not for infrared sensor)
 
77015303 Splash Guard/Remote Cal Cup for Toxic, O2 and LEL
 
77018083 Replacement Filter for 77015303
 
77020063 Splash Guard/Remote Cal Cup for Infrared Sensor
 
77019644 Replacement Filter for 77020063
 
77024065 iTransTM Calibration Wand
 
77023588 iTransTM Splash Guard
 
77023513 iTransTM Calibration Cup
 
   

iTrans™ offers a wide variety of sensor configurations and relay options for maximum flexibility and affordability. Use the following guide to select the options that best fit your monitoring needs and applications. Industrial Scientific recommends that a fixed system application survey be completed to help provide the most accurate assessment of your equipment requirements.

iTransTM Base Part Number: 7814635ABCDEFG + sensor options as listed below. 
Dual reading LED display, magnetic calibration tool and calibration cup are standard items with all iTransTM monitors.
 

 

Ordering example: An iTransTM with an on-board LEL (4-20 mA scale 0-100) and remote mount H2S (4-20 mA scale 0-500) with optional relays would have a part number of 7814635-6C21741 
 

A - Sensor 1 Coniguration

E - Sensor 2 Coniguration
0 = No Sensors 0 = No Sensors
6 = XP 316 Stainless Steel / On-Board
 
7 = XP 316 Stainless Steel / Remote
      (max. distance = 200m)
7 = XP 316 Stainless Steel / Remote
      (max. distance = 200m)
 
      

B - Gas Sensor 1

 
F - Gas Sensor 2
1 = Carbon Monoxide (CO)
 
1 = Carbon Monoxide (CO)
2 = Nitric Oxide (NO) 2 = Nitric Oxide (NO)
3 = Ammonia (NH3) 3 = Ammonia (NH3)
4 = Hydrogen Sulfide (H2S)
 
4 = Hydrogen Sulfide (H2S)
5 = Sulfur Dioxide (SO2) 5 = Sulfur Dioxide (SO2)
6 = Nitrogen Dioxide (NO2)
 
6 = Nitrogen Dioxide (NO2)
7 = Chlorine (Cl2)
 
7 = Chlorine (Cl2)
8 = Chlorine Dioxide (ClO2)
 
8 = Chlorine Dioxide (ClO2)
9 = Hydrogen Cyanide (HCN)
 
9 = Hydrogen Cyanide (HCN)
A = Oxygen (O2)
 
A = Oxygen (O2)
B = LEL Infrared (factory Methane calibration)
 
B = LEL Infrared (factory Methane calibration)
C = LEL Catalytic Plug-In (factory Pentane calibration)
 
C = LEL Catalytic Plug-In (factory Pentane calibration)
D = Carbon Monoxide - Hydrogen Null (CO - H2)
 
D = Carbon Monoxide - Hydrogen Null (CO - H2)
F = Hydrogen Chloride (HCl)
 
F = Hydrogen Chloride (HCl)
G = LEL Infrared Propane
 
G = LEL Infrared Propane
K = Phosphine (PH3)
 
K = Phosphine (PH3)
L = Hydrogen (H2)
 
L = Hydrogen (H2)
 

C - 4-20 ma Output Scale for Sensor 1

G- 4-20 ma Output Scale for Sensor 2
0 = 0 - 999
 
0 = 0 - 999
1 = 0 - 500
 
1 = 0 - 500
2 = 0 - 100
 
2 = 0 - 100
3 = 0 - 50
 
3 = 0 - 50
4 = 0 - 30
 
4 = 0 - 30
5 = 0 - 10
 
5 = 0 - 10
6 = 0 - 2
 
6 = 0 - 2
7 = 0 - 1
 
7 = 0 - 1
8 = 0 - 20
 
8 = 0 - 20
9 = 0 - 200
 
9 = 0 - 200
 

D - Power Supply

 
0 = No Relay Module
 
1 = With On-board Relays
 
 
 
Common Configurations
Part Number Description
7814635-6C21741 Stainless Steel iTransTM, On-Board LEL and Remote H2S, With Relays
7814635-6C210 Stainless Steel iTransTM, On-Board LEL, With Relays
7814635-6G000 Stainless Steel iTransTM, On-Board IR LEL, No Relays
7814635-61010 Stainless Steel iTransTM, On-Board CO, With Relays
7814635-64110 Stainless Steel iTransTM, On-Board H2S, With Relays
7814635-7C21741 Stainless Steel iTransTM, Remote LEL and Remote H2S, With Relays
7814635-63110 Stainless Steel iTransTM, On-Board NH3, With Relays
7814635-73207C2 Stainless Steel iTransTM, Remote NH3 and Remote LEL Catalytic, No Relays



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