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工業(yè)型壓力變送器技術(shù)參數(shù)
測量介質(zhì) : 液體或氣體（與接觸材質(zhì)兼容）
整體材質(zhì) : 膜片 316L不銹鋼（接觸）
過程連接 304 不銹鋼 （接觸）
外殼 壓鑄鋁
密封件 丁腈橡膠 （接觸）
壓力量程 : -100kPa～0 ～100MPa（詳見量程選型表） 壓力方式 : 表壓、絕壓、負(fù)壓
輸出信號 : 4～20mA 、RS485（標(biāo)準(zhǔn)Modbus-RTU協(xié)議）、
（0 ～10VDC 、0 ～5VDC、1 ～5VDC 定制）供電 電壓 : 8-30VDC常規(guī)
24VDC本質(zhì)安全型/粉塵本質(zhì)安全型
12-30VDC常規(guī)（帶顯示或輸出0～10VDC）精度 等級 : 0.1%FS （量程≥ 100kPa定制）
0.25%FS （量程≥ 100kPa默認(rèn)）
0.5%FS（10kPa≤量程＜100kPa默認(rèn)） 1%FS（量程＜10kPa默認(rèn)）
表頭顯示精度0.5級、數(shù)碼管（LED）顯示工作 條件 : 介質(zhì)溫度 -40～85℃
環(huán)境濕度 0%～95%RH（無冷凝無結(jié)露）
環(huán)境溫度 -40～85℃（防爆環(huán)境-20～40℃) 溫度補(bǔ)償 : -10～70℃（精度為0.25%FS、0.5%FS 、1%FS）
-40～80℃（精度為0.1%FS ）防
爆類型 : 隔爆型 Ex d Ⅱ C T6 Gb
本質(zhì)安全型 Ex ia ⅡC T6 Ga（限電流輸出）
粉塵本質(zhì)安全型 Ex iaD 20 T80℃（限電流輸出）
注 ：本質(zhì)安全必須經(jīng)由安全柵或本安電源供電抗震
典型應(yīng)用
石油和天然氣行業(yè)
化工和石化行業(yè)
能源工業(yè) g重工業(yè)
工業(yè)型壓力變送器產(chǎn)品特點(diǎn)
a) 采用膜片隔離技術(shù)
b) 集成芯片、寬電壓供電
c) 安裝方便、本安防爆
d) 截頻設(shè)計、抗干擾能力強(qiáng)、防雷擊
e) 限流、限壓、反接保護(hù)（限電流輸出）
f) 精度高、穩(wěn)定性好、響應(yīng)速度快、耐沖擊
性能 : 10g(20...2000Hz)
過載能力 : 200%滿量程或120MPa（取最小值）
響應(yīng)頻率 : 模擬信號輸出10-2400Hz、數(shù)字信號輸出10Hz穩(wěn)
定性能 : ± 0.1% FS/年
溫度漂移 : ± 0.01%FS/℃（溫度補(bǔ)償范圍內(nèi)）整
體重量 : ≈ 900g
防護(hù)等級 : 標(biāo)準(zhǔn)型 IP65
隔爆型 IP66
本質(zhì)安全型 IP65
粉塵本質(zhì)安全型 IP66
注：以上防護(hù)等級是指電氣連接完整后所達(dá)到功率
范圍 : 電流型≤ 0.02Us(W)
數(shù)字型≤ 0.015Us(W)
電壓型≤ 0.008Us（W）
注:Us=供電電壓
負(fù)載特性 : 電流型負(fù)載≤ {（Us-7.5）÷ 0.02 （ Us=供電電壓） }Ω 電壓型負(fù)載≥ 100k Ω
負(fù)載電阻 （4～20）mADC
型號規(guī)格代碼表
型號
規(guī)格代碼
說明
XN208
···································································
通用型壓力變送器
類型
P
Y
W.....................................................................
Q......................................................................
K .
通用
液位
高溫
齊平膜
差壓
卡盤
輸出信號
S1 ···································································
S2·····································································
S3·····································································
4~20mA 兩線制
RS485通訊
定制
測量量程
18·····································································
19·····································································
20·····································································
21·····································································
22·····································································
23·····································································
量 程： 0~35Kpa
量 程： 0~100Kpa
量 程： 0~250KPA
量 程： 0~1MPA
量 程： 0~2.5MPA
其他量程定制
外殼材質(zhì)
W..................................................................
鑄鋁
過程連接材質(zhì)
G1 ··································································
G2····································································
不銹鋼
過程連接尺寸
M2 ··································································
M1··································································
G2
··································································
G4 ··································································
D......................................................................
M20*1.5外螺紋
M14*1.5外螺紋
G1/2 外螺紋
G1/4 外螺紋
電氣連接
M2..................................................................
M20*1.5
表頭顯示
S.......................................................................
F.......................................................................
有顯示
無顯示
精度等級
A.......................................................................
B.......................................................................
C.......................................................................
0.1%
0.2%
0.5%
防爆類型
NA...................................................................
K5....................................................................
標(biāo)準(zhǔn)
防爆
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