Dwyer 1800系列 壓差開(kāi)關

1800系列 工(gōng)業級微差壓開(kāi)關尺寸小(xiǎo)、價格低(dī)，重複精度爲2%，廣泛用(yòng)于各種工(gōng)業場合。可牆面或儀表盤面闆上(shàng)安裝，并能(néng)很(hěn)方便的調整設定點。産品通過了(le)UL和(hé)CSA，FM的認證。
警告：隻能(néng)用(yòng)于空(kōng)氣及兼容氣體

技術參數 ：

介質：空(kōng)氣和(hé)不易燃，兼容氣體
材質：請(qǐng)向廠(chǎng)家咨詢
溫度範圍：-30 至180°F（-34 至82.2°C）。1823-00，-20 至180°F（-28.9
至82.2°C）
壓力範圍：持續壓力10 psig（68.95 kPa），沖擊壓力25 psig（172.4 kPa）
開(kāi)關類型：單刀(dāo)雙擲（SPDT）
可重複性：±2%
電氣指标：15 A @ 120-480 VAC，60 Hz. Resistive 1/8 HP @125 VAC，1/4
HP @ 250 VAC，60 Hz. De-rate to 10 A for operation at high cycle rates.
電氣連接：3 個旋緊接線端，一般，常開(kāi)和(hé)常閉
連接件：1/8? NPT。内螺紋
安裝定位：膜片用(yòng)于垂直方向，其它定位請(qǐng)向廠(chǎng)家咨詢
設定點調節：外(wài)殼内螺絲調節
重量：1 lb，5 oz（595 g）
機構認證：CE，UL，CSA，FM.

産品選型 ：

選項及配件 ：

OPTIONS:
Weatherproof Housing - 16-ga. steel enclosure with gasketed cover (NEMA 4, IP66) for wet or oily conditions. Withstands 200 hour salt spray test. Wt. 5-1/2 lbs. (2.5 kg). Switch must be factory installed. Change 1823 base number to 1824 and add -WP suffix. Example: 1824-1-WP.
Explosion-proof Housing - Cast iron base with aluminum cover. Rated Class I, Group D; Class II, Div. 1 & 2, Groups E,F,G; Class III and NEMA 7 C,D, NEMA 9 E,F,G. Wt. 7-1/2 lbs. (3.4 kg). Switch must be factory installed. Change base number to 1824 and add -EXPL suffix. Example: 1824-1-EXPL.
MIL Environmental Construction - Unlisted Model 1820 can be furnished with a special sealed snap switch for protection against high humidity, fungus and/or military applications. Similar to Model 1823 except dead band is slightly greater and some lower set points may not be possible. To order, add suffix -MIL. Example: 1820-2-MIL.
ACCESSORIES:
A-389 - Mounting bracket, 16 ga steel, zinc plated and Dichromate dipped for corrosion resistance.
A-489 - 4" 303 SS straight static pressure tip with flange.
A-491 - 6" straight SS static pressure tip with mounting flange.
A-493 - 8" straight SS static pressure tip with mounting flange.
A-302F-B - 303 SS Static pressure tip with mounting flange, for 3/16" rubber or plastic tubing. 6" insertion depth, includes mounting screws
A-302F-A - 303SS static pressure tip with mounting flange, 4" hook style. For 3/16" ID rubber or plastic tubing, includes mounting screws.
A-302F-C - 303 SS Static pressure tip with mounting flange, for 3/16" rubber or plastic tubing. 8" insertion depth, includes mounting screws