接口尺寸： G1/2（mm） 加工定制： 是
防护等级： IP65 测量范围： 0-160000（kPa）
类型： 陶瓷型压力变送器 防爆等级： EX
型号： S-20 测量介质： 液体 气体
精度等级： 0.125 品牌： WIKA/威卡
输出信号： 4-20（mA） 电源电压： 10-30（V）
WIKA S-20 高精度 高压力范围 压力变送器
精度:0.125 1600bar
Superior pressure transmitter for general industrial applications
Model S-20
Applications
Critical industrial applications
Demanding applications in research and development
Harsh environments in the process industry
Special features
Measuring ranges from 0 ... 0.4 to 0 ... 1,600 bar
Non-linearity of up to 0.125 % of span
Different output signals, e.g. 4 ... 20 mA, DC 0 ... 10 V,
DC 1 ... 5 V and others
Market-standard electrical connections, e.g.
DIN 175301-803 A angular connector
Common international process connections
Description
The model S-20 pressure transmitter for general industrial applications is the ideal solution for customers with demanding measuring requirements. It features a very good accuracy, a robust design and an exceptional number of variants, meaning it can be suited to the widest range of applications.
Versatile
The model S-20 offers continuous measuring ranges between 0 ... 0.4 and 0 ... 1,600 bar in all the major units.
These measuring ranges can be combined in almost any way with all the standard industry output signals, the most common international process connections and a wide number of electrical connections.
Furthermore, it offers numerous options, such as different accuracy classes, extended temperature ranges and customer-specific pin assignments.
High quality
The robust design turns the model S-20 into a very high quality product, which even the most adverse environmental conditions cannot affect. Whether with the lowest temperatures when used outdoors, with extreme shock and vibration in machine building or with aggressive media in the chemical industry, this transmitter can meet all requirements.
Availability
All variants described in this data sheet are available on very short lead times. For particularly urgent demands, there is a sizeable stock available.
Measuring ranges
The given measuring ranges are also available in kg/cm2, kPa and MPa.
Special measuring ranges between 0 ... 0.4 and 0 ... 1,600 bar are available on request.
Special measuring ranges have a reduced long-term stability and increased temperature errors.
Overpressure limit
The overpressure limit is based on the sensor element used. Depending on the selected process connection and sealing, restrictions in overpressure safety can result. A higher overpressure limit will result in a higher temperature error.
Measuring range < 10 bar/150 psi ≥ 10 bar/150 psi
3 times (standard) 2 times 1) (standard)
5 times 3 times 2) 3)
1) Restriction: max. 60 bar/870 psi with absolute pressure
2) Only possible for relative pressure measuring ranges ≤ 400 bar or 5,800 psi
3) Only possible for absolute pressure measuring ranges < 16 bar or 220 psi
Vacuum tightness
Yes
Output signal
Signal type Signal
Current (2-wire) 4 ... 20 mA
20 ... 4 mA
Voltage (3-wire) DC 0 ... 10 V
DC 0 ... 5 V
DC 1 ... 5 V
DC 0.5 ... 4.5 V
DC 1 ... 6 V
DC 10 ... 0 V
Ratiometric (3-wire) DC 0.5 ... 4.5 V
Other output signals on request.
Permissible load in Ω
Current output (2-wire): ≤ (power supply - 7.5 V) / 0.023 A
≤ (power supply - 11.5 V) /
0.023 A (with optional settling time of 1 ms)
Voltage output (3-wire): > maximum output voltage / 1 mA
Ratiometric output (3-wire): > 4.5k
Signal limiting (option)
4 ... 20 mA: Zero point: 3.6 mA 1), 3.8 mA, 4.0 mA
Full scale: 20 mA, 21.5 mA, 23 mA
DC 0 ... 10 V: Full scale: DC 10 V, DC 11.5 V
1) Not possible in combination with zero point adjustment by the customer
Voltage supply
Power supply
Maximum power supply for cULus approval: DC 35 V (DC 32 V with heavy-duty connector)
Current output (2-wire)
4 ... 20 mA: DC 8 ... 36 V (DC 12 ... 36 V with optional settling time of 1 ms)
20 ... 4 mA (inverted): DC 8 ... 36 V
Voltage output (3-wire)
DC 0 ... 10 V: DC 12 ... 36 V
DC 0 ... 5 V: DC 8 ... 36 V
DC 1 ... 5 V: DC 8 ... 36 V
DC 0.5 ... 4.5 V: DC 8 ... 36 V
DC 1 ... 6 V: DC 9 ... 36 V
DC 10 ... 0 V: DC 12 ... 36 V
Ratiometric output (3-wire):
DC 0.5 ... 4.5 V: DC 5 V ±10 %
Dissipation loss
Current output (2-wire): 828 mW (22 mW/K derating of the dissipation loss with ambient temperatures ≥ 100 °C)
Voltage output (3-wire): 432 mW
Current supply
Current output (2-wire): Current signal, max. 25 mA
Voltage output (3-wire): max. 12 mA
欢迎致电咨询定购WIKA S-20 高精度 高压力范围 压力变送器 精度:0.125 1600bar
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