Sierra Monitor Corporation 5100-28-IT User Manual
Page 2

Sentry
IT
Gas Sensor Module
IT
Combustible - Infrared
Sierra Monitor Corporation 1991 Tarob Ct. Milpitas, CA 95035 (408) 262-6611 (800) 727-4377 Fax: (408) 262-9042
Web site: www.sierramonitor.com E-Mail: [email protected]
Specifications:
Sensor type:
Infrared, Dual Wavelength
Performance
Dual
Range:
Default:
0-100% LEL Methane
User Setting:
0-100% by vol. Methane
Repeatability:
+/-1%
LEL
Accuracy:
+/- 1% for 0-50% LEL range
+/- 2% for 51-100% LEL range
Sensor Life:
Typically >5 years
Heated Sensor:
Heated cell to prevent condensation
Response
Time: T90<10sec*
Output:
Display:
Fixed and Scrolling LED
Signal Outputs:
Sentry digital bus
Analog 4-20 mA Linear
3-wire
Non-Isolated
4-wire
Isolated
Serial RS-485 Modbus RTU
Relay
:
Optional
Options:
Relays:
5 amp Alarm, Warning (0.25 amp Trouble)
5A@ 250 VAC, 5A@ 30VDC (Alarm, Warning)
Board includes auxiliary connection for Sentry
multiplexing
HART:
Termination
board
includes HART, Modbus RS-
485, 4-20mA, Digital Input, 2A Relay output, No
Sentry Bus
Power:
Power consumption:
3 watts
Input voltage:
24 VDC nominal: 10-30VDC
Operating Range:
Ambient Temp Range:
-40
o
to 140
o
F (-40
o
to 60
o
C)
Relative
Humidity:
0-99%
Non-Condensing
Construction:
Dimensions:
(H x W x D)
(A1 & A2)
7.8 x 5.7 x 3.9 in. (19.8 x 14.5 x 9.9 cm)
(S1 & S2)
7.5 x 4.4 x 4.9 in. (19 x 11 x 12 cm)
Weight:
(A1 & A2)
3.4 lb. (1.5 Kg)
(S1 & S2)
7.2 lb. (3.3 Kg)
Enclosure:
Epoxy coated Aluminum or 316 Stainless Steel
Housing:
AL or SS (same as enclosure)
Hazardous
Area
Classification: Explosion proof, Class 1, Div. I, Groups C, D
Class I, Zone 1
Group IIC, IP66, IP65, NEMA 4X, T6
TA = - 40
o
C to 85
o
C II2 GD, Ex d IIC
Warranty:
2
years
Approvals:
FM Approval 6320 Combustible Gas Detector Performance
FM Approval 3600 Class I Div. 1, Groups C, D
SIL-2 Certified
Certified by Lloyd's Register (IEC 61508)
CSA
For enclosure in hazardous locations
ABS
Certificate of Compliance
CQST
Specifications subject to change without notice
* T60<10 sec NRTL Approved option for noise suppression
Ordering Information:
Model
Enclosure
Relay/Connection
Output
Gas Type
Sensor
Protection
Remote Option
5100-28-IT
- XX
- XX
- XX
- X
- X
- A1 = AL ¾” NPT
- 01 = No Relays (std)
- 01 = Methane (Std.)
- 0 = Standard
- 0 = None
- A2 = AL M20 x 1.5
- 02 = Relays Option
- 2 = Conformal
- 1 = Remote
- S1 = SS ¾” NPT
- 05 = HART Option
Transmitter
Sensor
- S2 = SS M20 x 1.5
Accessories:
5311-00
Rainshield
5311-02
Rainshield with calibration port
Calibration Accessories:
5358-01
Calibration Head, Standard
5360-00
Calibration Gas Delivery Fitting
Calibrators High Capacity:
1250-01
Gas Sensor Calibration Kit, Type A (CO, H
2
S)
1260-02
Combustible Gas 50% LEL Gas Cylinder Type A
Rev. 5/13