HR-E33法蘭安裝差壓式變送器

一、概      述

　　HR-E33法蘭安裝式差壓變送器用于測(cè)量含有固體和沉淀性液體和蒸汽的液位和密度,然后轉(zhuǎn)

變成4～20mA DC的電源信號(hào)輸出。HR-E33可與HART手操器相互通訊，進(jìn)行設(shè)定、監(jiān)控等。

二、標(biāo)準(zhǔn)規(guī)格

(以標(biāo)準(zhǔn)零點(diǎn)為基準(zhǔn)調(diào)校量程，接液部分材質(zhì)代碼“S”3-inch平法蘭型和4-inch凸法蘭型)

三、性能規(guī)格
 
調(diào)量程的參考精度                                                           外部調(diào)零

(包括線性、滯后性和重復(fù)性)                                      在測(cè)量范圍內(nèi)連續(xù)可調(diào)，分辨率為0.01%，用表

±0.25%                                                                          頭上的測(cè)量范圍設(shè)定開(kāi)關(guān)可調(diào)校量程

若量程小于量程上限                                                      安裝位置影響

±[0.2+0.05量程上限 ]%                                              與膜片面平行方向的安裝位置變化不會(huì)造成零漂

            量程                                                                      影響，若安裝位置與膜片面超過(guò)90°的變化，在

                                                                                          0.4kPa范圍內(nèi)的零漂可通過(guò)調(diào)零校正

環(huán)境溫度影響                                                                  輸   出

總影響量/28℃變化                                                       2線制，4～20mA DC輸出，數(shù)字通訊，可編程設(shè)

量程代碼4    ±[0.25%量程+0.056%量程上限]           定線性或平方根輸出方式

量程代碼5、6 ±[0.15%量程+0.028%量程上限]       環(huán)境溫度

靜壓影響                                                                          -40～85℃(-40～185°F)

變化的總影響量                                                              -30～80℃(-22～176°F)［帶LCD表頭］

±[0.058%量程+0.015%量程上                                    接液溫度

限]/0.69MPa{100psi}                                                      -40～120℃(-40～248°F)

零點(diǎn)影響(可通過(guò)在線校正)                                            環(huán)境濕度

±0.02%量程上限/0.69MPa                                          5～99%RH
                                                                                  
穩(wěn)定性                                                                              電源電壓
                                                                                
±0.2%量程上限/12個(gè)月                                               10.5～42V DC(工作狀態(tài))
           
電源影響                                                                         10.5～30V DC(本安型)
                                                                      
±0.015%/V(21.6V～32V DC，350Ω)                           16.4～30V DC(數(shù)字通訊)             

調(diào)    零                                                                             16.4～30V DC(本安型)
        
在膜盒量程的上下限范圍內(nèi)，零點(diǎn)可任意調(diào)校          負(fù)   載
                                                                                         0～1335Ω工作狀態(tài)
                                                      
                                                                                         250～600Ω數(shù)字通訊