压力传感器 WU-20, WU-25, WU-26 高纯度 半导体、平板显示器 紧凑型

应用

• 气体面板（OEM工具）

• 半导体、平板显示器和太阳能光伏产品

• 特种气体和大宗气体分配

功能特性

• 紧凑型设计

• ATEX Zone 2 防爆认证

• 自动温度补偿

• ***的长期稳定性

• 符合RoHS指令

参数

量程
0 ... 0.1 MPa 至 0 ... 36 MPa

精度
0,15 % RSS

输出信号
4 ... 20 mA，2- 线制
0 ... 10 V，3 - 线制
0 ... 5 V，3 - 线制

过程连接
1/4" VCR
1/2" VCR
型焊接接头
焊接接头

电气连接 
圆形接头 M12x1， 4-pin
电缆出线盒，IP 67
卡口接头，4-pin
Sub-D HD接头，15-pin

Accuracy specifications Non-linearity per BFSL per IEC 61298-2 For measuring ranges > 2 bar ≤ 0.1 % of span For measuring ranges ≤ 2 bar ≤ 0.15 % of span Accuracy → See “Max. measuring deviation” Max. measuring deviation RSS (root sum squares) ■ ≤ 0.15 % of span ■ ≤ 0.4 % of span with measuring ranges ≤ 2 bar Per IEC 61298-2 ■ ≤ 0.3 % of span ■ ≤ 0.6 % of span with measuring ranges ≤ 2 bar Zero point setting Current output -3.5 ... +3.5 % of span (via potentiometer) Voltage output -2 ... +3.5 % of span (via potentiometer) Non-repeatability per IEC 61298-2 ≤ 0.12 % of span Mean temperature coefficient at -20 ... +80 °C [-4 ... +176 °F] (actively compensated) Zero point ≤ 0.1 % of span/10 K Span ≤ 0.15 % of span/10 K Long-term drift per IEC 61298-2 Typical ≤ 0.25 % of span, at reference conditions Measuring ranges ≤ 2 bar ≤ 0.4 % of span Reference conditions Per IEC 61298-1 Measuring ranges, model WU-20 and model WU-25 bar psi 0 ... 2 0 ... 30 0 ... 4 0 ... 60 0 ... 7 0 ... 100 0 ... 11 0 ... 160 0 ... 17 0 ... 250 0 ... 25 0 ... 350 0 ...36 0 ... 500 0 ... 70 0 ... 1,000 0 ... 100 0 ... 1,500 0 ... 145 0 ... 2,000 0 ... 225 0 ... 3,000 0 ... 360 0 ... 5,000 Other measuring ranges on request. Further details on: Measuring range Overpressure limit ■ 2-fold ■ 4-fold for measuring range 0 ... 2 bar [0 ... 30 psi] Measuring ranges, model WU-26 bar psi 0 ... 2 0 ... 30 0 ... 4 0 ... 60 0 ... 7 0 ... 100 0 ... 11 0 ... 160 0 ... 17 0 ... 250 WIKA data sheet PE 87.07 ? 11/2021 Page 3 of 9 Output signal Signal type ■ 4 ... 20 mA, 2-wire ■ DC 0 ... 5 V, 3-wire ■ DC 0 ... 10 V, 3-wire Load in Ω 4 ... 20 mA ≤ (U+ – 10 V) / 0.02 A DC 0 ... 5 V > 5 kΩ DC 0 ... 10 V > 10 kΩ Voltage supply Supply voltage Output signal DC 0 ... 5 V / 4 ... 20 mA DC 10 ... 30 V Output signal DC 0 ... 10 V DC 14 ... 30 V Power Pmax 1 W Dynamic behaviour Rise time (10 ... 90 %) ≤ 300 ms Electrical connection Connection type IP code 1) Wire cross-section Cable diameter Cable lengths Bayonet connector (4-pin) IP67 - - - Circular connector M12 x 1 (4-pin) IP67 (NEMA 4) - - - Cable outlet IP67 (NEMA 4) 0.22 mm? (AWG 24) 4.8 mm ■ 1.5 m [5 ft] ■ 3 m [10 ft] Sub-D connector (9-pin) IP54 - - - Sub-D HD connector (15-pin) IP54 - - - 1) The stated IP codes only apply when plugged in using mating connectors that have the appropriate IP code. Further details on: Electrical connection Connection type → See above Wire cross-section → See above Cable diameter → See above Cable length → See above Pin assignment → See below Ingress protection (IP code) per IEC 60529 → See above Short-circuit resistance S+ vs. U- (short time) Reverse polarity protection U+ vs. UInsulation voltage DC 500 V