S453

S453复杂工况及防爆型热式质量流量计（管道式）

S453 压缩空气流量计专为重型和爆炸性环境设计，提供精准可靠的热质量流量测量，适用于您的工业过程。该设备结合了先进技术和坚固的结构，确保在最苛刻条件下保障最佳性能。

S453 采用不锈钢和镀镍组件制造，具有在恶劣环境中耐用的特点。其 IP67 防护等级外壳使其适合户外和工业应用。

该流量计具有 ±(1.5% 读数 + 0.3% 满刻度) 的高精度，并具备 0.25% 的重复性。集成的彩色显示屏和适用于 Android 和 iOS 的 S4C-FS 应用程序支持现场轻松验证和无线配置。

集成的数据记录仪能够记录和存储测量数据。多种输出选项，包括 Modbus/RTU、2 个 4-20 mA 输出、脉冲/报警信号，以及通过以太网/APL 的 Modbus/TCP，提升了设备的连接性。

S453 支持 DN25 到 DN80 的管道尺寸，配备 R 螺纹或法兰连接。对于非防爆版本，其工作压力可达 5.0 MPa；对于防爆认证应用，其工作压力可达 1.6 MPa。

有关更多详细信息，请参阅产品文档或联系我们的销售团队。

广泛的应用范围

S453 适用于危险和恶劣环境，以及需要测量各种气体的工业过程，如空气、氮气、氧气、二氧化碳、氩气、天然气和氢气。它也适合用于制药和食品行业，确保符合严格的行业标准。

Measurement
Flow
Accuracy	±(1.5 % of reading + 0.3 % full scale)
Selectable units	m³/h, m³/min, l/min, l/s, cfm, kg/h, kg/min, kg/s
Repeatability	0.25 % o.RDG
Sensor	Thermal mass flow sensor
Sampling rate	3 samples / sec
Turn-down ratio	200:1
Response time (t90)	0.5 sec
Consumption
Selectable units	m³, ft³, t, lb, l, kg
Pressure
Accuracy	0.5 % FS
Selectable units	bar, psi, kPa, MPa
Measuring range	0 ... 1.6 MPa (g) or 0 ... 5.0 MPa (g)
Sensor	Piezzo resistive sensor
Temperature
Accuracy	0.5 °C
Selectable units	°C, °F
Measuring range	-40 ... +120 °C
Sensor	Pt1000
Reference conditions
Selectable conditions	20 °C 1000 mbar (ISO1217), 0 °C 1013 mbar (DIN1343) freely adjustable

Signal / Interface & Supply
Analog output
Signal	2 x 4 ... 20 mA (4-wire), isolated
Scaling	0 ... max flow, freely adjustable
Load	Max. 400 Ohm
Update rate	Value updated ever 1 sec
Pulse/Alarm output
Signal	Switch output, normally open, max. 30 VDC, 200 mA
Scaling	1 pulse per consumption unit (selectable)
Alarm	Channel and threshold freely setable
Feldbus
Protocol	Modbus/RTU, Modbus/TCP
Supply
Voltage supply	16 ... 30 VDC
Current consumption	200 mA

General Data
Configuration
Wireless	S4C-FS App for Android and iOS
Others	3 touch button at display
Display
Integrated	Color graphics display
Material
Process connection	Stainless steel 1.4404 (SUS 316L)
Housing	Al alloy
Sensor	Stainless steel 1.4404 (SUS316L), 4J50 nickel plated, glass
Metal parts	Stainless steel 1.4404 (SUS 316L)
Miscellaneous
Electrical connection	Screw terminals
Protection class	IP67, Ex option: IP65
Approvals	CE, RoHS, FCC IECEx / GB : Ex db ib IIC T4 Gb Ex ib tb IIIC T135°C Db ATEX: II 2G Ex db ib IIC T4 Gb II 2D Ex ib tb IIIC T135°C Db
Process connection	S451: G3/4" (ISO 228/1) S453: Measuring section with R-thread or Flange
Weight	S451 300mm: 2.15kg S451 200mm: 2.08kg S453 without section: 1.86kg
Operating conditions
Medium	Air, N₂, O₂, CO₂ and other non corrosive gases
Medium temperature	S451: -30 ... +140 °C (applicable for Non-Ex-Option) -30 ... +90 °C (applicable for Ex-Option) S453: -30 ... +90 °C
Medium humidity	< 90 %, no condensation
Operating pressure	0 ... 1.6 MPa applicable for Ex-Option and A1558 option 0 ... 5.0 MPa applicable for Non-Ex-Option* of S451 with A1559 option 0 ... 4.0 MPa applicable for Non-Ex-Option of S453 with A1559 option *For pressure above 1.5 MPa use the installation device A530 1119 or A530 1120 to install S451.
Ambient temperature	-40 ... +65 °C
Storage temperature	-40 ... +70 °C
Transport temperature	-40 ... +70 °C
Pipe sizes	S451: >= DN25 S453: DN25 ... DN80