Flow Sensor SS 23.700 Ex Biogas
SCHMIDT® Flow Sensor SS 23.700 Ex Biogas - Flow Sensors for Sewage Treatment Plants and Biogas
SCHMIDT® Flow Sensor SS 23.700 Ex Biogas - Flow Sensors for Sewage Treatment Plants and Biogas. Measuring quantity Standard flow velocity wN based on standard condit
Product Overview
The SCHMIDT® Flow Sensor SS 23.700 Ex Biogas is part of the SCHMIDT Flow Sensors for Sewage Treatment Plants and Biogas line. Flow rates of gases - an important measurement in industrial processes. "Heavy-Duty applications"Double-pin sensor head, sensor elements completely encapsulated in stainless steelFor air and other gases in applications with harsh conditions (medium with aggressive components, contamination, high humidity)Flow and temperature signalProbe length of 250 or 600 mmRemote sensor (optional)Measuring ranges 0 ... 10 m/s up to 0 ... We supply genuine, brand-new SCHMIDT Technology products with selection support, technical documentation and stable supply.
Specifications
| 测量量 / Measuring quantity | Standard flow velocity wN based on standard conditions 1) | Temperature of medium TM技术参数 |
|---|---|
| 被测介质 / Measured medium | Biogas, optional: methane, natural gas, ; special gases and mixtures and others (on request)技术参数 |
| 量程 / Measuring range wN | 0 ... 10 / 20 / 60 / 90 / 140 / 220 m/s | Optional: Customised measuring ranges in steps of 1 m/s技术参数 |
| 最低检出限 / Lower detection limit wN | 0.1 m/s技术参数 |
| 介质温度量程 / Measuring range TM | -20 ... +120 °C技术参数 |
| 测量精度（标准） / Standard wN | ±(3 % of measured value + [0.4 % of fmr; min. 0.08 m/s]) 2)测量精度 |
| 响应时间 / Response time (t90) wN | 10 s (jump of wN from 0 to 5 m/s in air)测量精度 |
| TM (wN > 2 m/s) | ±1 K (10 ... 30 °C); ±2 K (remaining measuring range)测量精度 |
| 传感器探头 / Sensor probe | -20 ... +120 °C工作温度 |
| Electronics | -20 ... +70 °C工作温度 |
| 存储温度 / Storage temperature | -20 ... +85 °C工作温度 |
| 外壳 / Housing | Aluminium, anodised材质 |
| 传感器管 / Sensor tube | Stainless steel 1.4571材质 |
| 传感器头部 / Sensor head | Stainless steel 1.4404材质 |
| 传感器电缆 / Sensor cable (of remote sensor) | Jacket TPE, halogen-free材质 |
| 卡套接头 / Compression fitting | Standard: Stainless steel 1.4571, FKM | PWIS-compliant: Stainless steel 1.4571, coating DurniCoat (NiP)材质 |
| 湿度 / Humidity | Measuring mode: Non-condensing (< 95 % RH)通用参数 |
| 工作压力 / Operating pressure (max.) | 16 bar通用参数 |
| 显示 / Display | 4 x Duo-LEDs (green/red/orange)通用参数 |
| 供电电压 / Supply voltage | 24 V DC ± 20 %通用参数 |
| 电流消耗 / Current consumption | Typ. 80 mA (without pulse outputs); max. 250 mA (excluding signal current of pulse output 2 [relay])通用参数 |
| 模拟输出 / Analog outputs | Type: Auto U / I) | wN, TM | 0 ... 10 V / 4 ... 20 mA (switching of signal characteristic depends on RL) | -Voltage output (0 ... 10 V): RL >= 550 ohm (short-circuit protected) | - Current output (4 ... 20 mA): RL <= 500 ohm | - Change-over hysteresis: 50 ohm | - CL <= 10 nF通用参数 |
| 脉冲输出：信号形式 / Pulse outputs: Signalization | Frequency: wN ~ f = 0 ... fmax; fmax = 10 ... 100 Hz | Optional: 1 pulse/1 m3; 1 pulse/0.1 m3; 1 pulse/0.01 m3 (max. 100 pulses/s)通用参数 |
| 脉冲输出：技术 / Pulse outputs: Technology | 1. Highside-driver (PNP, open collector) at protected supply voltage; not galvanically isolated) | Short-circuit protected (analog): 100 mA | High level: > supply voltage - 3 V | Leckage current: IOFF < 10 µA | 2. Semiconductor relay; output galvanically isolated | Output voltage/current: Max. 30 V / 50 mA通用参数 |
| 电气连接 / Electrical connection | Plug-in connector M12 (A-coded), male, 8-pin (shielded), screwed通用参数 |
| 最大电缆长度 / Maximum cable length | Voltage interface / current interface / pulse outputs: 100 m | Voltage mode: Use AGND and RL >= 10 k (mass offset)通用参数 |
| 安装位置 / Mounting position | Arbitrary (exception: Temperature element may never be placed "above" heater element)通用参数 |
| 安装公差 / Mounting tolerance | ±3° relative to flow direction (unidirectional)通用参数 |
| 最小插入深度 / Minimum immersion depth | DN40通用参数 |
| 防护等级 / Protection type | Sensor probe: IP67; enclosure: IP65 (with correctly attached cable)通用参数 |
| 防护等级 / Protection class | III (PELV)通用参数 |
| ATEX-Declaration | Gas (zone 2): II 3G Ex ec ic IIC T4 Gc | Dust (zone 22): II 3D Ex ic tc T135°C Dc通用参数 |
| 探头长度 / Probe length | Compact version: 250/600 mm | Remote version: Probe 250/600 mm; cable: 1 ... 10 m (steps: 1 m)通用参数 |
| 重量 / Weight | Approx. 500 g max. (without connection cable)通用参数 |
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