Evaluation unit NLSW45-3 Ex SIL2, flow monitoring for ATEX areas with SIL2 certification
✅ Flow monitoring with SIL2 certification according to IEC 62061 (corresponds to performance level d according to EN ISO 13849-1)
✅ Can be used in ATEX zones 1 and 2 in conjunction with the 4 Zener barriers supplied
✅ Large measuring range from 0.1 to 20 m/s with media temperatures from 0°C to 60°C
✅ with switching output suitable for switch cabinet installation
✅ Developed for demanding industrial applications, IP40
✅ Redundant design of the evaluation electronics and use of 2 sensors required
✅ Example areas of application: HVAC systems, fire and smoke protection systems, industrial and process applications, power plant and energy systems, automotive industry and test benches
Detail
Parameters
产品手册
使用说明书
Medium
Gases
Device type
Flow evaluation unit for switch cabinet installation
Flow range
0.1 ... 20 m/s
Medium temperature
0 ... 60°C
Display
LED (voltage & switching point)
Switching point
Stepless adjustment (potentiometer)
Protection class evaluation unit
IP65
Special features
4 Zener barriers included in the scope of delivery, 2 sensors required (SIL2)
Output signal
Switching output
Switching output specification
2 changeover contacts (per channel)
Sensor break output signal
Relay drops out
Sensor short-circuit output signal
Relay drops out
Relay output specification
2 changeover contacts (per channel)
Housing material
Polyamide (UL94V-0)
Housing dimensions
85 mm x 165 mm x 55 mm
Mounting
Mounting kit included, Mounting on DIN rail optional, to be mounted outside the ATEX zone
Power supply
24 V DC ±5%, 24 V AC ±5%, 230 V AC ±5%
Electrical connection
Terminal strip
Max. power consumption
5 VA
Recommended cable cross-section
2.5 mm²
Current and contact rating
250 VAC, 8 A, 2 kVA
Minimum switching capacity
10 mA, 5 V DC
Ambient temperature
-20 ... 50°C
Certificates
CE
ATEX certification
II 3G Ex ic IIC T4 Gc, simple electrical equipment; Zone 1
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