Toxalert Tox540-28-IT User Manual
Page 2

TOXALERT INTERNATIONAL, INC.
P.O. BOX 159, MOUND, MINNESOTA 55364 * (952) 472-4541 * FAX (952) 472-4960
Visit our website at www.toxalert.com
Specifications:
Remote Sensor Option
It is often necessary to sample the combustible gas at
some distance from the gas sensor module. The IT Se-
ries enables the user to mount the sensor remotely from
the transmitter without the need for expensive and high-
maintenance sample pumps. The Remote Sensor Option
provides a separate gas sensor that can be mounted up
to 100 feet from the transmitter and connected via a
cable included.
Ordering Information
Model
Enclosure
TOX540-28-IT
-XX
Relay/Connection
-XX
Gas Type
-XX
Remote
-X
- A1
- 01 = No Relays (Std.)
- 01 = Methane (standard)
- 0 = None (Standard)
- S1
- 02 = Relays/Option.
- 02 = Ethanol
- 1 = Remote Sensor Option
- 03 = Hart Protocol
- 03 = Propane
- 04 = Butane
- 05 = Ethylene
- 06 = Pentane
- 07 = Hexane
- 99 = Custom Type Refer to Factory
Sensor type:
Infrared, Dual Wavelength
Performance:
Dual Range:
Default:
0-100% LEL Methane or Propane
User Setting: 0-100% by vol. Methane
Other Gases: % LEL Ethanol, Ethylene, Hexane,
Butane, Propane, Pentane
Repeatability: +/-1% LEL
Response Time: <10 sec.to 60% full scale
Accuracy:
+/- 1% for 0-50% LEL range
+/- 2% for 51-100% LEL range
Sensor Life:
Typically >5 years
Output:
Display:
Fixed and Scrolling LED
Signal Output: Analog 4-20mA (Trouble 2.5 mA),
Calibration (1.5mA)
Serial Rs-485 Modbus RTU
Relay:
0.25 Amp. Trouble
Optional Relays: 8 amp Alarm, Warning
8A @ 250 VAC, 5A @ 30VDC
Electrical Data:
Power Consumption: 3 watts
Connection Type:
3 or 4 wire
Input Voltage:
24 VDC nominal 10-30 VDC
Operating Range:
Ambient Temp Range: -4° to 140°F
(-20° to 60°C)
Relative Humidity:
5-99%
Construction:
Dimensions:
(A1) 8.1 x 4.8 x 4.9 in. (21 x 12 x 12 cm)
(S1) 7.5 x 4.4 x 4.9 in. (10 x 11 x 12 cm)
Weight:
(A1) 2.7 lb. (1.3 kg) – (S1) 5.4 lb (2.7 Kg)
Housing:
Epoxy Coated Aluminum or
316 Stainless Steel
Hazardous Area
Classification:
Explosion Proof, Class I, Div. 1,
Groups B, C. D Class I, Zone 1
Group IIC, IP66, IP65, NEMA 4X
TA = - 40°C to 85°C II2 GD, Ex d IIC
Warranty:
1 year
Specifications subject to change without notice
Accessories
Rainshield
Rainshield with calibration port
TOX540-28-IT
Rev’d 05/11