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壓力表
壓力表，開關(guān)變送器一體化
介質(zhì): 可兼容的液體或氣體.
接液材質(zhì): 316L SS.
外殼: Glass filled plastic.
精度: ±1% of F.S. including linearity, hysteresis, and repeatability (indicator and transmitter).
穩(wěn)定性: < ±2% of F.S. per year.
壓力限制: Ranges up to 6,000 psi: 1.5 x range; 8,000 psi range: 10,000 psi.
溫度限制: Ambient: 20 to 140°F (-6.6 to 60°C); Process: 0 to 176°F (-18 to 80°C).
補(bǔ)償溫度限制: 32 to 122°F (0 to 50°C).
熱效應(yīng): ±0.05% of F.S./°F.
顯示: 4-digit backlit LCD (Digits: 0.60"H x 0.33"W).
電源: 12 to 30 VDC/AC.
能耗: 2.5 watts.
電氣連接: Removable terminal blocks with two 1/2" female NPT conduit connections.
封裝等級(jí): Meets NEMA 4X (IP65).
預(yù)熱時(shí)間: <10 seconds.
安裝方向: Any position.
重量: 1.18 lbs (535 g).
認(rèn)證: CE and UL.
開關(guān)特性:
開關(guān)類型: 2 SPDT relays.
電氣額定: 5 A @ 120/240VAC, 1 A @ 30 VDC.
重復(fù)性: ±1% of FS (switching only).
設(shè)定點(diǎn): Adjustable 0-99% of FS.
開關(guān)指示: External LED for each relay on the front panel.
開關(guān)復(fù)位: Manual or Automatic.
變送器特性:
輸出: 4-20 mA, 1-6 VDC, 1-5 VDC, 0-5 VDC, or 0-10 VDC (direct or reverse output selection).
最小激勵(lì)電壓: 14 VDC.
零滿調(diào)整: Menu scalable within the range
顯示單位: psi, kg/cm², bar, in Hg, ft w.c., kPa, MPa, %FS, in w.c., mbar, cm w.c., mm Hg, or oz/in² (choices depend on range).
測(cè)試方式: Simulates input over the range without pressuring to easily test switches and transmitter output feature.
故障保護(hù): For sensor failure, over pressure, high temperature limit, low temperature limit, or keypad short. User chooses if relay is de-energized, energized, or no action. With transmitter option, user chooses an output of 3.6 mA 22 mA, or no action.
交替: Selectable alternation of set points between the relays for even wear on duplex pump applications.
選型表：
| 舉例 | EDA | W | N1 | E1 | 02 | T0 | NIST | Series EDAW-N1E1-02T0-NIST Electronic Pressure Controller, weatherproof housing, 1/4" male NPT process connection, (2) 1/2" conduit connections, range 0-20 psig, with NIST certificate. |
| 系列 | EDA |
|
|
|
|
|
| Electronic Pressure Controller |
| 封裝 |
| W |
|
|
|
|
| Weatherproof |
| 連接 |
|
| N1 |
|
|
|
| 1/4" Male NPT |
| 接線口 |
|
|
| E1 |
|
|
| Two 1/2" NPT |
| 范圍 |
|
|
|
| 02 |
|
| 0-20 psig |
| 變送器 |
|
|
|
|
| T0 |
| None |
| 可選 |
|
|
|
|
|
| NIST | NIST Certificate |
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