Flow Sensor SS 20.515 LED
SCHMIDT® Flow Sensor SS 20.515 LED 流量传感器
SCHMIDT® Flow Sensor SS 20.515 LED 流量传感器，量程 0 ... 1 / 2.5 / 10 m/s；介质温度量程 -20 ... +70 °C；供电电压 24 V DC ± 10 %，原装全新正品，支持选型
产品概述
SCHMIDT® Flow Sensor SS 20.515 LED 属于 SCHMIDT 实验室、制药与洁净室用流量传感器（Flow Sensors for Laboratory, Pharmaceutical and Clean Room Technology）产品线，量程 0 ... 1 / 2.5 / 10 m/s；介质温度量程 -20 ... +70 °C；供电电压 24 V DC ± 10 %；模拟输出 0 ... 10 V (RL > 10 kohm; CL <= 10 nF; short-circuit protected) | 4 ... 20 mA (RL < 300 ohm; CL <= 100 nF)。我司经销 SCHMIDT Technology 原装全新正品，可提供选型支持、技术资料与稳定供货。
技术参数
| 测量量 / Measuring quantity | Standard flow velocity wN based on standard conditions sup>1) | Temperature of medium TM技术参数 |
|---|---|
| 被测介质 / Measured medium | Air or nitrogen, other gases on request技术参数 |
| 量程 / Measuring range wN | 0 ... 1 / 2.5 / 10 m/s技术参数 |
| 最低检出限 / Lower detection limit wN | 0.06 m/s技术参数 |
| 介质温度量程 / Measuring range TM | -20 ... +70 °C技术参数 |
| 测量精度（标准） / Standard wN | ±(3 % of measured value + 0.05 m/s) 2)测量精度 |
| 测量精度（高精度可选） / High precision (optional) wN | ±(1 % of measured value + 0.04 m/s) 2)测量精度 |
| 响应时间 / Response time (t90) wN | 3 s (jump from 0 to 5 m/s)测量精度 |
| 温度梯度 / Temperature gradient wN | < 2 K/min (at wN = 5 m/s in air)测量精度 |
| TM (wN > 1 m/s) | ±1 K (10 ... 30 °C); ±2 K (remaining measuring range)测量精度 |
| Sensor | -20 ... +70 °C工作温度 |
| 存储温度 / Storage temperature | -20 ... +85 °C工作温度 |
| 传感器头部 / Sensor head | PBT (glass-fibre reinforced), stainless steel 1.4571, protective coating (optional)材质 |
| 传感器管 / Sensor tube | Stainless steel 1.4404材质 |
| Connector plug | Stainless steel 1.4404材质 |
| 光环 / Light ring | PC材质 |
| 湿度 / Humidity | Measuring mode: Non-condensing (< 95 % RH)通用参数 |
| 工作压力 / Operating pressure (max.) | Atmospheric (700 ... 1,300 hPa)通用参数 |
| 供电电压 / Supply voltage | 24 V DC ± 10 %通用参数 |
| 电流消耗 / Current consumption | Typ. < 60 mA / max. 100 mA (signal currents included)通用参数 |
| 模拟输出 / Analog outputs (wN and TM) | 0 ... 10 V (RL > 10 kohm; CL <= 10 nF; short-circuit protected) | 4 ... 20 mA (RL < 300 ohm; CL <= 100 nF)通用参数 |
| 故障信号 / Error signal | Only current interface: 2 mA (according NAMUR NE43)通用参数 |
| Electical connection | Connector M9, male, 7-pin (shielded), screwed通用参数 |
| 最大电缆长度 / Maximum cable length | Voltage interface: 10 m; current interface: 100 m通用参数 |
| 安装位置 / Mounting position | Arbitrary (preferred in vertical down flow direction)通用参数 |
| 防护等级 / Protection type | IP65; electrical connector: IP67 (with correctly attached cable)通用参数 |
| 防护等级 / Protection class | III (SELV or PELV)通用参数 |
| 探头长度 / Probe length | Angled: 150/270 mm (vertical) x 300 mm (horizontal) | Straight: Standard 300 mm; special length >300 ... 1,000 mm (step: 10 mm)通用参数 |
| 重量 / Weight | 300 g max. (straight, 1000 mm, type 3)通用参数 |
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