T3A GAS DETECTOR - CALL FOR PRICING

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The T3A Series Gas Detector ambient air hazardous gas detector is a versatile assembly that uses an electrochemical, infrared, catalytic bead sensor element to detect a variety of gases. Wired power (12 to 35 VDC) with 4-20 mA analog and RS-485 Modbus outputs standard. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics.

The T3A represents the latest leading edge technology in fixed gas detection today.

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Chemical plants

Gas Type	Range	T90	Hazard Classification
LEL Catalytic	0 – 100% (0-5% Vol.)	< 90 sec.	Class 1, Div 1
CL2	0 – 10 ppm	< 60 sec.	Class 1, Div 2
CLO2	0 – 1 ppm	< 120 sec.	Class 1, Div 2
CO	0 – 300 ppm	< 30 sec.	Class 1, Div 1
CO2	0 – 5% vol.	< 30 sec.	Class 1, Div 1
H2S	0 – 100 ppm	< 30 sec.	Class 1, Div 1
H2S 2K	0 – 2000 ppm	< 25 sec.	Class 1, Div 1
HCL	0 – 30 ppm	< 300 sec.	Class 1, Div 2
HCN	0 – 30 ppm	< 70 sec.	Class 1, Div 2
HF	0 – 10 ppm	< 90 sec.	Class 1, Div 2
LEL-IR	0 – 100% (0-5% Vol.)	< 30 sec.	Class 1, Div 1
LEL-IR-HC	0 – 100% LEL	< 30 sec.	Class 1, Div 1
NH3	0 – 100 ppm	< 90 sec.	Class 1, Div 2
NH3 300	0 – 300 ppm	< 120 sec.	Class 1, Div 2
NH3 A	0 – 1000 ppm	< 120 sec.	Class 1, Div 2
NO2	0 – 20 ppm	< 25 sec.	Class 1, Div 2
O2	0 – 25 Vol.	< 15 sec.	Class 1, Div 1
PH3	0 – 5 ppm	< 30 sec.	Class 1, Div 2
SO2	0 – 20 ppm	< 35 sec.	Class 1, Div 1

Sensor Type	Electrochemical, infrared, catalytic bead
Operating Voltage	Wired power (3-Wire) 12 to 35 VDC
Power Draw	2 Watts maximum
Protection	Power electromagnetic interference (EMI) filter 4-20 mA surge suppression RS-485 surge suppression
Display Screen	102×64 Resolution graphical LCD screen transflective (sunlight readable) with white LED backlight
Interface	3 Push-buttons (MENU, ADD and SUB) 3 Magnetic non-intrusive switches for calibration
Customizable Settings	2 Individual-configurable alarm LED/relay set-points
Temperature Range	-40°C to +54°C (-40°F to +129°F)
Output (digital)	RS-485 modbus
Wired (Analog) Output	4-20 mA (3-Wire) Fault terminal, wet relay contact. Has it’s own power. Optional 2 dry-contact relays with replaceable 4 amp fuses.
Product Dimensions	5.5 in, L x 6 in. W x 7 in. H (8 in. W x 17 in. H Max. dimensions with attachments)
Total Weight	6 lbs.
Remote Sensor Kit (Optional Additional Feature)	Remote sensor kit with enclosure (5 pin) • Electrochemical sensor max. length: 250 feet • Infrared sensor max. length: 40 feet • Catalytic bead sensor max. length: 15 feet
Hazardous Location Approvals	Main Enclosure	Certified explosion / flame proof CQPSUS Class I, Division 1 & 2, Groups B, C & D Nema 3, 4, 4X, 7 (B, C, D) 9 (E, F, G) Temp.= -20°C to +60°C
Sensor Housing	Certified explosion / flame proof CQPSUS Class I, Division 1 & 2, Groups B, C & D Temp.= -40°C to +60°C Note: Certification only applies to some gases. Toxic gases not certified for Div. 1 locations are suitable for Div. 2 applications but have no third party approval.
Controllers	Controllers compatible with all RKI Beacon controllers, as well as most DCS / PLC systems: Beacon 110, Beacon 200, Beacon 410A, Beacon 800, and MC-6400
Warranty	1-Year warranty for electronics and sensor

Electrochemical, Infrared or catalytic bead sensors

Wire powered (3-Wire), 12 to 35 VDC operating voltage

Operating temperature range -40°C to +60°C

LCD display with LED back-light

3 Push-button interface (ADD, MENU, SUB)

Non-intrusive buttons using magnetic wand

2 Individually configurable alarms

2 Front panel LED indicators (amber and red)

2 Optional fully programmable alarm relays (dry contacts)

Output options: 4-20mA (3-wire) analog, RS-485 Modbus, both standard Industry Applications

T3A Literature
Product Datasheet	Operating Manuals
T3A Product Datasheet	T3A Operator’s Manual

T3A GAS DETECTOR - CALL FOR PRICING

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