Model S4000CH
58
7.3 Specifications
7.3.1 System
Specifications
Sensor Type:
Continuous diffusion, low temperature catalytic bead
Sensor Life:
3 to 5 years typical
Accuracy:
+3% LEL up to 50% LEL
+5% LEL > 51% LEL
Zero Drift:
Less than 5% of full scale per year
Response Time:
T50<10 sec. T90<30 sec. with 100% LEL methane applied
Measuring Ranges:
0-100% LEL
Modes:
Calibration, gas check, setup
Approvals
Classification:
CSA/FM
: Class I, Division 1, Groups B, C, D, T6 (Tamb=-40°C
to +75°C)
CSA:
Ex db IIB + H
2
T4 Gb (Tamb=-40°C to +70°C)
Ex tb IIIC T135°C Db
ATEX/IECEx
: II 2 GD Ex db IIB+H
2
T4 Gb, Ex tb IIIC T135°C Db
(Tamb=-40°C to +70°C) EN 60079-29-1
Pressure Limits:
Up to 3 atmospheres, sensor requires 15 minutes from start up to
stabilize
Warranty:
Two years
7.3.2 Mechanical
Specifications
Length:
6.4 in (161 mm)
Height:
3.4 in (86 mm)
Width:
4.1 in (104 mm)
Weight:
5.5 lbs (2.5 kg) AL, 14.0 lbs (6.4 kg) SS
Mounting Holes:
5.0 inches (127mm) center to center
Housing:
Aluminum alloy (6061-T6 cover, A356-T6 base) or 316 SST
7.3.3 Electrical
Specifications
Input Voltage:
24 VDC nominal, 20 to 36 VDC 250 mA max.
Average Current
(No ARGC) 24 V:
200 mA including sensor, all relays on
30 volts:
175 mA including sensor, all relays on
20 volts:
228 mA including sensor, all relays on
Current ARGC only:
.035 mA in addition to S4000CH current
Power ARGC only:
.85 Watts This is additional power required by the ARGC
Relay Ratings:
8 A @ 250 VAC/8 A @ 30 VDC resistive max.
(3x) SPDT - Warning, Alarm & Fault
Analog Signal:
0-20 mA (650 Ohms max. load) All re0.05 mA
Mode
HART not
enabled
HART
HART
modified AO
Malfunction
0 mA
3.5 mA
1.25mA
Calibration
1.5 mA
3.5 mA
1.5 mA
Gas Check
1.5 mA
3.5 mA
1.5 mA
Setup
1.5 mA
3.5 mA
1.5 mA
Startup
4.05 mA
4.05 mA
4.05 mA
Zero reading
4.05 mA
4.05 mA
4.05 mA
0-100% LEL
4-20 mA
4.0 – 20 mA
4.0 – 20 mA
Over-range
20-22 mA
20 – 21.7 mA
20 – 21.7 mA
Содержание S4000CH
Страница 2: ...Model S4000CH i This page intentionally left blank ...
Страница 10: ...Model S4000CH 2 Figure 3 Sensor Remote Installation in inches Figure 4 ARGC Remote Installation ...
Страница 22: ...Model S4000CH 14 Figure 12 S4000CH Terminal Block Locations Figure 13 Remote Junction Box Terminal Block ...