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UE溫度開(kāi)關(guān)一體機(jī)系列產(chǎn)品*
型號(hào)輸入類型（范圍）zui大開(kāi)關(guān)額定值（SPST）溫度
降額
分鐘。加載
需求
關(guān)閉狀態(tài)
泄漏
2W2D00
2X2D00
2線24 VDC離散
輸入電壓供電（12-30
VDC）@ 750μA（zui大值）
12-30 VDC @40毫安
NA
2.3毫安0.75毫安
zui大值
2W4D00
2X4D00
2線48 VDC離散
輸入電壓供電（30-50
VDC）@ 750μA（zui大值）
30-50 VDC @40毫安2.0毫安0.8毫安
zui大值
2W3A00
2X3A00
2線120 V離散
輸入供電（90-130
VAC / VDC）電流為1mA
90-130 VAC / VDC @ 0.1 A3.75毫安1.0毫安
zui大值
2WLP41
2XLP41
2線24 VDC模擬
輸入回路供電（10-36
VDC）@ 4-20毫安
0-140 VAC / VDC @ 0.6 A
每10℃，8％
上述21°C0毫安0.01毫安
2WLP43
2XLP43
2線24 VDC模擬
輸入回路供電（10-36
VDC）@ 4-20毫安
0-280 VAC / VDC @ 0.3 A
4W3A01
4X3A01
四線120 VAC外部
電源（90-130
VAC）@15毫安
24-280伏交流@ 10 A
每一個(gè)1.8
10℃以上
38℃，
150毫安0.1毫安
8W2D42
8X2D42
8線24 VDC外部
電源（10-30 VDC）
@30毫安
SW1：75-250 VAC @ 1.5 A
SW2：75-250 VAC @ 1.5 A每10％的10℃
上述21°C50毫安5毫安
8W2D44
8X2D44
8線24 VDC外部
電源（10-30 VDC）
@30毫安
SW1：75-250 VAC @ 1.5 A
SW2：0-140 VAC / VDC @ 0.6 A
每10℃，8％
上述21°C0毫安0.01毫安
8W2D45
8X2D45
8線24 VDC外部
電源（10-30 VDC）
@30毫安
SW1：0-140 VAC / VDC @ 0.6 A
SW2：0-140 VAC / VDC @ 0.6 A
精度：滿量程的0.5％，在室溫下
重復(fù)性：滿量程的0.1％
工作環(huán)境
溫度范圍：
顯示工作
溫度范圍：
10°F（-12°C）158°F（70°C）
規(guī)格
批準(zhǔn)的工作環(huán)境溫度范圍
通過(guò)cULus（司系統(tǒng)）通過(guò)cULus和ATEX（區(qū)系統(tǒng)）
2W2D -40°F（-40°C）176°F（80°C）-40°F（-40°C）176°F（80°C）
2W4D NA NA NA NA
2WLP -40°F（-40°C）176°F（80°C）-40°F（-40°C）140°F（60°C）
2W3A -40°F（-40°C）185°F（85°C）-40°F（-40°C）140°F（60°C）
4W3A -40°F（-40°C）158°F（70°C）-40°F（-40°C）140°F（60°C）
8W2D -40°F（-40°C）176°F（80°C）-40°F（-40°C）140°F（60°C）
2X2D -40°F（-40°C）185°F（85°C）-40°F（-40°C）185°F（85°C）
2X4D -40°F（-40°C）185°F（85°C）-40°F（-40°C）185°F（85°C）
2XLP -40°F（-40°C）176°F（80°C）-40°F（-40°C）176°F（80°C）
2X3A -40°F（-40°C）185°F（85°C）-40°F（-40°C）185°F（85°C）
4X3A -40°F（-40°C）158°F（70°C）-40°F（-40°C）158°F（70°C）
8X2D -40°F（-40°C）176°F（80°C）-40°F（-40°C）176°F（80°C）
UE溫度開(kāi)關(guān)一體機(jī)系列產(chǎn)品*
Refers to conditions or hazards which could result in serious personal injury or death.
Refers to conditions or hazards which could result in personal injury.
Refers to conditions or hazards which could result in equipment or property damage.
Alerts you to facts or special instructions.
ALL DANGER, WARNING, AND CAUTION NOTICES MUST BE COMPLIED WITH IN FULL
Min./Max. Supply Pressure Minimum - 3 psig (21 kPa)
Above maximum output
Maximum - 100 psig (700 kPA)
Supply Pressure Sensitivity <± 0.1% of span per psig
(<± 0.15% of span per 10 kPa)
Linearity <± 0.75% of span
Repeatability < 0.5% of span
Hysteresis < 1.0% of span
Flow Rate 4.5 scfm (7.6 m3/hr ANR) at
25 psig (175 kPa) supply
12.0 scfm (20.0 m3/hr ANR) at
100 psig (700 kPa) supply
Maximum Air Consumption .05 scfm (.07 m3/hr) midrange typical
Port Sizes 1/4 NPT (Pneumatic)
1/2 NPT (Electric)
Description
The ET500 Type converts a current or voltage input signal to a linearly proportional pneumatic output pressure.
This versatile instrument is designed for control applications that require a high degree of reliability and
repeatability at an economical cost.
Principle of Operation
The ET500 Type is a force balance device in which a coil is suspended in the field of a magnet by a flexure.
Current flowing through the coil generates axial movement of the coil and flexure. The flexure moves towards the
nozzle and creates back pressure which acts as a pilot pressure to an integral booster relay. Input signal increases
(or decreases for reverse acting) cause proportional output pressure increases.
Zero and Span are calibrated by turning adjust screws on the front face of the unit. Adjustment of the zero screw
repositions the nozzle relative to the flexure. The span adjustment is a potentiometer that controls the amount of
current through the coil.
Mounting
Unit may be pipe, panel, or bracket mounted. Mounting may be at any angle, though may require field
adjustment. High external vibration may cause output fluctuations. Mounting in a vibration-free area is
recommended.