UE压力开关J120-191

specifications

Storage temperature

-65 to 160°F (-54 to 71°C)

Ambient temperature limits

-58 to 160°F (-50 to 71°C); models 36-39, 520-525, 540-548, 701-705, 15834-15839: 0 to 160°F (-17 to 71°C); types 820E, 822E: -40 to 160°F (-40 to 71°C) set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change;less than 2% for types E121& E122

Set point repeatability

Temperature models: Type B, C and F: ±1% of full scale range
Type E: ±2% of full scale range
Pressure models 126-164, S126B-S164B, 171-174, 270-274, 358-376, 520-535, 540-543, 701-705, 15622, 15834,-15839: ±1% of full scale range; models 450-457, 550-559: ±1/2% of full scale range; models 36-39, 183-194, 483-494, 544-548,565-567, 612-680, 15875: ±1-1/2% of full scale range

Shock

Set point repeats after 15 G, 10 millisecond duration

Vibration

Set point repeats after 2.5 G, 5-500 Hz

Enclosure

Die cast aluminum, epoxy powder coated; gasketed; cover lock; internal set point lock standard on types J, C, F; gasketed stainless steel tamper-resistant dial cover on types B,H, E; aluminum nameplate

Enclosure classification

Certified to enclosure type 4X. Class I, Division 1 product meets enclosure type 7; Class II, Division 1 product meets enclosure type 9. Certified to IP66 requirements

Switch output

One or two SPDT; dual switch may be separated up to 100% of range; except type  822E where switch #2 can be set up to 25% of range span below switch #1 setpoint; switches may be wired “normally open” or “normally closed”.

Electrical rating

15A 125/250/480 VAC resistive (standard), 2A @ 30 VDC, 1A @ 48 VDC, 0.5A @ 125 VDC; except types J120-15622, 15834-15839, H121-15875: 20A 125/250/480 VAC resistive, 6A @ 30 VDC, 0.5A @ 125 VDC, 0.25A @ 250 VDC; except types B121-13272,B122-13322, E121-13273, E122-13321: 22A 480 VAC resistive, 2A @ 30 VDC, 1A @ 48 VDC, 0.4A @ 125 VDC.

Reference scales

Types B, E & H: external dial. Scale divisions vary with range (see model charts)

Weight

3-8 lbs. Varies with type and model

Electrical connection

Type H, B, E; one 3/4" NPT E/C; type J, C, F, 820E, 822E; two 3/4" NPT E/C;terminal block standard

Pressure connection

Models S126B-S164B, 171-194, 483-494, 520-535: 1/2" NPT (female); models 565-567:1-1 ⁄ 2" flush mount connection; models 540-548: 1/8" NPT (female); all others: 1/4" NPT(female)

Temperature assembly

Bulb and capillary: 6 feet 304 stainless steel (standard) except for E121-13273 and E122-13321: 10 feet; Fill: Non-toxic oil filled
Immersion stem: Nickel-plated brass (standard) except for B121-13272 and B122-13322: stainless steel.

Temperature deadband

Type F120, 820E, 822E: typically 1%; type B-, C-, and E- 121 and 122: typically 2% of range under laboratory conditions (70°F [21°C] ambient circulating bath at rate of 1/2°F per minute change)