J403-126UE三點真空壓力開關（J403-126 UE three-point vacuum pressure switch ）

Commonly used models of UE J400 series mechanical pressure switches:  Main models and characteristics of J400 series  J400 type, single point output, internally adjustable  J402 type, double point output, internally adjustable  J403 type, three point output, internally adjustable  UE specific parameter  series No. - Model Set point Adjustable range Dead zone Overpressure range Proof pressure Pressure port Wetted material J402-126 -1.0 to 0 bar 13.5 mbar to 0.1 bar 0.2 bar 0.3 bar 1/4" NPTF Ni Plated Brass-Brass-Zn Plated st J402-134 -1.0 to 1.4 bar 13.5 mbar to 0.1 bar 1.4 bar 1.7 bar 1/4" NPTF Ni Plated Brass-Brass-Zn Plated st J402-144 0 to 1.4 bar 13.8 mbar to 0.1 bar 1.4 bar 1.7 bar 1/4" NPTF Ni Plated Brass-Brass J402-146 0 to 2.1 bar 13.8 mbar to 0.1 bar 2.1 bar 2.8 bar 1/4" NPTF Ni Plated Brass-Brass J402-156 0 to 6.9 bar 27.6 mbar to 0.1 bar 6.9 bar 8.6 bar 1/4" NPTF Ni Plated Brass-Brass J402-164 0 to 13.8 bar 41.4 mbar to 0.3 bar 13.8 bar 13.8 bar 1/4" NPTF Ni Plated Brass-Brass J402-126 Vacuum switch -1bar~0mbar imported UE pressure switch J403-126  Technical parameters of UE three-point vacuum pressure switch 400 series pressure switch  . Storage temperature: -54 to 71 degrees;  Ambient temperature: -50 to 71 degrees; For every 28 degrees of ambient temperature change, the typical drift value of the set point is less than 1% of full scale; .Set  point repeatability: temperature switch: plus or minus 2% of the adjustable range;   pressure switch: 126-376, 50-535, 540-547, 570-572, S126-S164B type is adjustable Plus or minus 2% of the adjustable range; 550-559 models are plus or minus 1% of the adjustable range; 610-614 models are plus or minus 3% of the adjustable range;  Shock resistance: After 10 milliseconds, 15G shock test, it can be reproduced Set point;  Vibration resistance: Set point reproducible after 2.5G, 5500Hz vibration test;  Enclosure rating: NEMA 4 requirements;  Switch output: One, two or three SPDT outputs; adjustable within range Set 100% respectively; 521-524, 531-534 type: 50%; 520, 525, 530, 535, 570-572 type: 30%;. The switch can be connected as normally open or normally closed.  Electric rating of electric shock capacity: 15A, 125/250/480VAC, the electrical switch is used for DC power supply, and the electric shock capacity will become smaller.  Weight: 3-7.5 lbs;  Electrical Connection: One 3/4NPT, two 7/8" diameter knockouts;  Pressure Connection: One 1/4" NPT on all models; except S126B-S164B models, 520- 535 type is 1/2NPT, 540-547 is 1/8NPT; Temperature components: The E series uses the same components as the F series, but the measuring range is limited due to the reference scale. Bulb and capillary: 6 inches long, 304 stainless steel; in-line, 120 and 121 models: nickel-plated brass, 316 stainless steel optional;  filling: 1BS type: filled with solvent; 2BS-8BS: filled with organic oil;  temperature Dead zone: Under laboratory conditions, F series is 1% of the full range, E, B & C series is 2%;  differential pressure indication: suitable for J400K, J402K 147-S157B type;  50% of the range is approximately 1.5 %, 3% on both sides of the end point; the indicator window is made of flexible glass; the indicator can be adjusted on site, and its accuracy is 1% of the set point range.      

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