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Dwyer德威爾 二氧化碳濃度變送器/溫度變送器 CDT-2D44 CDT-5W44
價 格:詢價
產(chǎn) 地:美國更新時間:2020-09-28 11:39
品 牌:德威爾型 號:CDT-2D44 CDT-5W44
狀 態(tài):正常點擊量:2303
上海非利加實業(yè)有限公司
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傳 真: 400-006-7520
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Dwyer德威爾 二氧化碳濃度變送器/溫度變送器 CDT-2D44 CDT-5W44
對于二氧化碳濃度和溫度的輸出方式都是現(xiàn)場可任意選擇的4 to 20 mA, 0 to 5 VDC,
或者0 to 10 VDC,可適用于任何樓宇管理系統(tǒng)的控制器。另外溫度輸出方式還可以
訂購熱敏電阻輸出或熱電阻輸出??蛇x的帶可調設定點的開關輸出能用于控制排風
扇,自動開窗,或控制風門,或聲光報警。
如果在應用中需要帶顯示,墻裝式可選擇帶有LCD指示。如果訂購的墻裝式和風管
安裝式變送器不帶現(xiàn)場指示,可以選購A-449遠傳指示器,直接插入變送器的連接口
就能現(xiàn)場顯示,還可以設定為單獨顯示溫度,或CO2,或溫度和CO2同時顯示。標
準配置中帶有按鍵,可通過選擇菜單來配置,墻裝式可以訂購為不帶配置按鍵的產(chǎn)
品。為了安全保護變送器不被誤操作,可選擇內(nèi)部的跳線開關屏蔽外部的按鍵???/p>
通過菜單配置的參數(shù)有:工程單位,開關輸出的設定點值,顯示方式,變送器輸出
范圍,環(huán)境大氣壓,和現(xiàn)場校準
產(chǎn)品參數(shù)
Dwyer德威爾 二氧化碳濃度變送器/溫度變送器 CDT-2D44 CDT-5W44
Range: CO2: 0 to 2000 or 0 to 5000 ppm (depending on model); Temperature: 32 to 122°F (0 to 50°C).
Accuracy: CO2: ±40 ppm ±3% of reading; RH: ±2% (10 to 90% RH); Temperature: ±1°C @ 25°C.
Temperature Dependence: ±8 ppm/°C at 1100 ppm.
Non-Linearity: 16 ppm.
Pressure Dependence: 0.13% of reading per mm of Hg.
Response Time: 2 min for 99% step change.
Temperature Limits: 32 to 122°F (0 to 50°C).
Humidity Limits: 10 to 95% RH (non-condensing).
Power Requirements: 16 to 35 VDC or 19 to 28 VAC.
Power Consumption: Average: 2 w; Peak: 3.75 w.
Output: Current: 4 to 20 mA (max 500 Ω); Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω);
Relay: SPST NO 2 A @ 30 VDC;
Weight: 4.4 oz (125 g).
Sensor: Single beam, dual-wavelength NDIR.
Agency Approvals: CE.
Duct Air Velocity Range: 0-4000 FPM (20.32 m/s).
Temperature: ±1°C @ 25°C.
Warranty: 5 year limited warranty.
產(chǎn)品介紹
Dwyer德威爾 二氧化碳濃度變送器/溫度變送器 CDT-2D44 CDT-5W44
Range: CO2: 0 to 2000 or 0 to 5000 ppm (depending on model); Temperature: 32 to 122°F (0 to 50°C).
Accuracy: CO2: ±40 ppm ±3% of reading; RH: ±2% (10 to 90% RH); Temperature: ±1°C @ 25°C.
Temperature Dependence: ±8 ppm/°C at 1100 ppm.
Non-Linearity: 16 ppm.
Pressure Dependence: 0.13% of reading per mm of Hg.
Response Time: 2 min for 99% step change.
Temperature Limits: 32 to 122°F (0 to 50°C).
Humidity Limits: 10 to 95% RH (non-condensing).
Power Requirements: 16 to 35 VDC or 19 to 28 VAC.
Power Consumption: Average: 2 w; Peak: 3.75 w.
Output: Current: 4 to 20 mA (max 500 Ω); Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω);
Relay: SPST NO 2 A @ 30 VDC;
Weight: 4.4 oz (125 g).
Sensor: Single beam, dual-wavelength NDIR.
Agency Approvals: CE.
Duct Air Velocity Range: 0-4000 FPM (20.32 m/s).
Temperature: ±1°C @ 25°C.
Warranty: 5 year limited warranty.