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工業型壓力變送器技術參數
測量介質 : 液體或氣體（與接觸材質兼容）
整體材質 : 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、負壓
輸出信號 : 4～20mA 、RS485（標準Modbus-RTU協議）、
（0 ～10VDC 、0 ～5VDC、1 ～5VDC 定制）供電 電壓 : 8-30VDC常規
24VDC本質安全型/粉塵本質安全型
12-30VDC常規（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）
0.5%FS（10kPa≤量程＜100kPa默認） 1%FS（量程＜10kPa默認）
表頭顯示精度0.5級、數碼管（LED）顯示工作 條件 : 介質溫度 -40～85℃
環境濕度 0%～95%RH（無冷凝無結露）
環境溫度 -40～85℃（防爆環境-20～40℃) 溫度補償 : -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
本質安全型 Ex ia ⅡC T6 Ga（限電流輸出）
粉塵本質安全型 Ex iaD 20 T80℃（限電流輸出）
注 ：本質安全必須經由安全柵或本安電源供電抗震
典型應用
石油和天然氣行業
化工和石化行業
能源工業 g重工業
工業型壓力變送器產品特點
a) 采用膜片隔離技術
b) 集成芯片、寬電壓供電
c) 安裝方便、本安防爆
d) 截頻設計、抗干擾能力強、防雷擊
e) 限流、限壓、反接保護（限電流輸出）
f) 精度高、穩定性好、響應速度快、耐沖擊
性能 : 10g(20...2000Hz)
過載能力 : 200%滿量程或120MPa（取最小值）
響應頻率 : 模擬信號輸出10-2400Hz、數字信號輸出10Hz穩
定性能 : ± 0.1% FS/年
溫度漂移 : ± 0.01%FS/℃（溫度補償范圍內）整
體重量 : ≈ 900g
防護等級 : 標準型 IP65
隔爆型 IP66
本質安全型 IP65
粉塵本質安全型 IP66
注：以上防護等級是指電氣連接完整后所達到功率
范圍 : 電流型≤ 0.02Us(W)
數字型≤ 0.015Us(W)
電壓型≤ 0.008Us（W）
注:Us=供電電壓
負載特性 : 電流型負載≤ {（Us-7.5）÷ 0.02 （ Us=供電電壓） }Ω 電壓型負載≥ 100k Ω
負載電阻 （4～20）mADC
型號規格代碼表
型號 | 規格代碼 | 說明 | ||
XN208 | ··································································· | 通用型壓力變送器 | ||
類型 |
Y
| 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 | W.................................................................. | 鑄鋁 | ||
過程連接材質 |
G1 ·································································· G2···································································· |
不銹鋼 定制 | ||
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 定制 | ||
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.................................................................... | 標準 防爆 |
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