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詳細(xì)介紹
476A型 數(shù)顯壓力計 于實(shí)驗(yàn)室或研究機(jī)構(gòu)，它為單壓測量，范圍從-20到20英寸水柱，精度為1.5%。它是為暖通空調(diào)工程公司而設(shè)計，可用于調(diào)整供風(fēng)壓力，校準(zhǔn)和設(shè)定壓力開關(guān)，調(diào)整減壓器，系統(tǒng)平衡測試等。采用鋁合金外殼，牢固耐用。
478A系列數(shù)顯差壓計可用于測量正壓，負(fù)壓或差壓。它的功能包括：可選工程單位，自動較零，數(shù)據(jù)保持，峰谷值記錄。按住Hold保持鍵可將當(dāng)前數(shù)據(jù)保持顯示。478A帶有零點(diǎn)按鍵可隨時較零。
技術(shù)參數(shù) ：
Service: Air and compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±1.5% Full Scale @ 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis: ±0.1% of Full Scale.
Pressure Limits: 5 psig (.34 bar).
Temperature Limits: 0 to 140°F (-17.8 to 60°C).
Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
Thermal Effect: 0.05% F.S./°F.
Display: 4 digit LCD (.425"H x .234"W digits).
Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
Process Connections: Barbed connection for use with 3/16" or 1/4" I.D. tubing.
Weight: 10.8 oz (306 g).
Agency Approvals: CE.
產(chǎn)品選型 ：
選項及配件 ：
●A-402A - Nylon carrying pouch for various digital manometers - 7-1/2" x 3" x 2-1/4".
UHH-C1 - Soft carrying case
●A-201 - Rubber latex tubing has less tendency to kink in storage and occupies less space, thus is best for portable work. 3/16" ID, 9' length.
478A系列數(shù)顯差壓計可用于測量正壓，負(fù)壓或差壓。它的功能包括：可選工程單位，自動較零，數(shù)據(jù)保持，峰谷值記錄。按住Hold保持鍵可將當(dāng)前數(shù)據(jù)保持顯示。478A帶有零點(diǎn)按鍵可隨時較零。
技術(shù)參數(shù) ：
Service: Air and compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±1.5% Full Scale @ 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis: ±0.1% of Full Scale.
Pressure Limits: 5 psig (.34 bar).
Temperature Limits: 0 to 140°F (-17.8 to 60°C).
Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
Thermal Effect: 0.05% F.S./°F.
Display: 4 digit LCD (.425"H x .234"W digits).
Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
Process Connections: Barbed connection for use with 3/16" or 1/4" I.D. tubing.
Weight: 10.8 oz (306 g).
Agency Approvals: CE.
產(chǎn)品選型 ：
選項及配件 ：
●A-402A - Nylon carrying pouch for various digital manometers - 7-1/2" x 3" x 2-1/4".
UHH-C1 - Soft carrying case
●A-201 - Rubber latex tubing has less tendency to kink in storage and occupies less space, thus is best for portable work. 3/16" ID, 9' length.
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