Flow switch

Flowphant® T DTT31, DTT35

熱式流量開(kāi)關(guān)

Flowphant® T  DTT31

Application

Flow switch for monitoring and displaying relative massflow rates of liquid media in the range from0.03 to 3 m/s (0.1 to 9.84 ft/s):

應(yīng)用：

流量開(kāi)關(guān)用于監(jiān)測(cè)和顯示相對(duì)質(zhì)量液體介質(zhì)流量的范圍從0.03到3米/秒（0.1至9.84英尺/秒）。

Application examples:

• Monitoring cooling water circulation systems ofpumps, turbines, compressors and heat exchangers

• Monitoring pump functionality

• Leak monitoring in process lines

• Monitoring lubrication systems

• Filter monitoring in the beverage industry

應(yīng)用實(shí)例：

•監(jiān)控系統(tǒng)的循環(huán)冷卻水泵，渦輪機(jī)，壓縮機(jī)，熱交換器

•監(jiān)測(cè)泵功能

•監(jiān)控過(guò)程中，泄漏線

•監(jiān)視潤(rùn)滑系統(tǒng)

•過(guò)濾器的監(jiān)控，在飲料行業(yè)

Benefits at a glance

This compact flow switch impresses with the latest intechnology being used:

• Practically no pressure loss

• Configuration software ReadWin® 2000 or FieldCarefor quick configuration and reliable storage of devicesettings

• Optional: 4 to 20 mA analog output to read out theflow rate as percentage value

• Optional: second switch output or 4 to 20 mA analogoutput for temperature monitoring

• Function check and process information onsite thanksto digital display at device

• Top housing section which can be rotated 310° and rotatable display make it possible to read the measuredvalues in all orientations

• DTT35: 3-A marked

• CIP-compliant up to 130 °C (266 °F)

優(yōu)點(diǎn)

這種緊湊型流量開(kāi)關(guān)最新的令人印象深刻技術(shù)被用于：

•易于安裝和靈活的過(guò)程連接感謝到模塊化連接

•幾乎沒(méi)有壓力損失

•配置軟件ReadWin® 2000快速配置和可靠的存儲(chǔ)設(shè)備設(shè)置

•可選：4至20 mA模擬輸出讀出流速值的百分比

•可選：第二個(gè)開(kāi)關(guān)輸出或4?20 mA模擬輸出用于溫度監(jiān)控

•功能檢查和處理信息的現(xiàn)場(chǎng)感謝要在數(shù)字顯示設(shè)備

•頂級(jí)外殼設(shè)計(jì)，可旋轉(zhuǎn)310°，可旋轉(zhuǎn)屏幕，讓人們有可能讀取測(cè)量在所有方向上的值

•擴(kuò)展溫度高達(dá)130℃（266℉）

Measured variable

• Flow velocity of liquid media (calorimetric measuring principle)

• Temperature (RTD), optional for two switch outputs or additional analog output

測(cè)量項(xiàng)：

介質(zhì)流速（熱式原理）

溫度（RTD）、任意兩個(gè)開(kāi)關(guān)量輸出或者額外的模擬量輸出

Measuring range測(cè)量范圍：

• Flow: 0.03 m/s to 3 m/s (0.1 to 9.84 ft/s), as relative value between 0 and 100%; maximum displayresolution: 1%

• Temperature: -20 °C to +85 °C (-4 to 185 °F); display resolution: 1 °C (1 °F)

流速：0.03 m/s to 3 m/s (0.1 to 9.84 ft/s),相對(duì)值0到100%、最大分辨率：1%。

溫度：-20 °C to +85 °C (-4 to 185 °F);分辨率：1 °C (1 °F)。

Output輸出

signal DC voltage version: (short-circuit proof version)

• 1x PNP switch output (flow) or

• 2x PNP switch outputs (flow or temperature, adjustable) or

• 1x PNP switch output and 1x 4 bis 20 mA output, active (flow or temperature, adjustable)

直流電壓信號(hào)

1x PNP開(kāi)關(guān)量輸出（流量）

2x PNP開(kāi)慣了輸出（流量或溫度，值可以調(diào)節(jié)）

1x PNP開(kāi)關(guān)量輸出或1個(gè)4.—20mA有源輸出（流量、溫度、可調(diào)節(jié)）

Switch point non-repeatability

開(kāi)關(guān)點(diǎn)重復(fù)性

Measuring range (water as medium)	% of maximum value	Influence of medium temperature1)	Influence of ambient temperature
0.03 to 0.5 m/s (0.1 to 1.6 ft/s)	≤ 2 %	0.05 %/K	0.04 %/K
0.03 to 1 m/s (0.1 to 3.28 ft/s)	≤ 3 %	0.10 %/K	0.05%/K
0.03 to 2 m/s (0.1 to 6.56 ft/s)	≤ 5 %	0.15 %/K	0.10 %/K
0.03 to 3 m/s (0.1 to 9.84 ft/s)	≤ 10 %	0.20 %/K	0.30 %/K

Long-term drift長(zhǎng)期飄移性

0.5% per year under reference operating conditions

參照操作條件下0.5%每年。

Switch output response time

開(kāi)關(guān)輸出響應(yīng)時(shí)間：100 ms

Weight approx.重量

300 g (10.6 oz), depends on sensor length and process connection

300克，依賴于傳感器長(zhǎng)度與過(guò)程條件。

Ordering information選型信息

見(jiàn)英文資料