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Product Specifications:
| Item | Switch |
| Accuracy | ±3-2-3% |
| Accuracy Details | +/-3.00/2.00/3.00% Full Scale Ascending ASME B40.1 Grade B |
| Adjustable Set Points | Yes |
| Ambient Operating Temperature Range | -40°F to +200°F, -40°C to +93°C |
| Application | Compressors, Filtration Monitoring, Hydraulics, Pressure Detection, Pumps, Refrigeration, Valves |
| Calibration Certificate Included | No |
| Case Construction | Hermetically Sealed |
| Case Dia. | 4 1/2" |
| Case Material | Plastic |
| Compatible Process Media | Pressure Drop |
| Dial Size | 4 1/2" |
| For Panel Cut-out Size | 5.3" |
| Hazardous Location Rating | Not Rated |
| Housing Grade | Grade 316 |
| Housing Material | Stainless Steel |
| Includes Mounting Hardware | No |
| Ip Rating, Nema Rating | IP65, NEMA 4X |
| Lens Material | Shatter Resistant Acrylic |
| Manufacturer Warranty Length | 5 yrs. |
| Maximum Working Static Pressure | 6000 psi |
| Mounting Hardware Included | No |
| Mounting Type | Panel Mount, Pipe Mount |
| Movement Material | Stainless Steel |
| Nominal Dial Size | 4 1/2" |
| Number Of Switches | 1 |
| O-ring Material | Buna N |
| Over-pressure Limit | Over Range Protection To Maximum Pressure |
| Panel Mount Characteristics | 5.30" Dia Panel Cutout And 0.19" Holes 5.63" Dia Bolt Circle |
| Power Source | 125V AC/DC |
| Pressure Gauge Type | Differential Pressure Gauge With Switch |
| Pressure Range | 0 psid to 110 psid |
| Process Connection Gender | Female |
| Process Connection Location | Back |
| Process Connection Size | 1/4" |
| Process Connection Type | NPT |
| Process Temperature Range | -40°F to +200°F |
| Relay Type | SPDT |
| Seal Material | Buna N |
| Sensor Material | Buna N |
| Sensor Type | Piston |
| Series | 120 Series |
| Standards | Ce Marked, Csa B51-09, Csa Listed, Rohs Compliant, Ul Listed |
| Switch Contact Type | SPDT |
| Switch Electrical Requirements | 0.25A @ 125V AC/DC |
| Wetted Parts Material | Stainless Steel, Buna N |
Shipping Info:
| Ship weight (kg) | 1.35 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Housing Material | Dial Size | Case Dia. | For Panel Cut-out Size | Nominal Dial Size | Process Connection Location | Sensor Type | Relay Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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120AC-00-O-AA-25P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | 4 1/2" | Back | Piston | SPDT | €512.06 | |
![]() |
120AC-00-O-AA-30P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | 4 1/2" | Back | Piston | SPDT | €512.06 | |
![]() |
120AC-00-O-AA-100P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | - | Back | Piston | SPDT | €512.06 | |
![]() |
120AC-00-O-AA-50P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | 4 1/2" | Back | Piston | SPDT | €554.92 | |
![]() |
120AA-00-O-AA-30P | Aluminum | 2 1/2" | 2 1/2" | 3" | 2 1/2" | Back | Piston | SPDT | €519.22 | |
![]() |
120AC-00-O-AA-15P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | 4 1/2" | Back | Piston | SPDT | €554.92 | |
![]() |
120AC-00-O-AA-75P | Aluminum | 4 1/2" | 4 1/2" | 5.3" | 4 1/2" | Back | Piston | SPDT | €512.06 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MIDWEST INSTRUMENTS 120SC-00-O-AA-100P Differential Pressure Gauge And Switch, 0 To 110 PSId, Back, Spdt, 120, Piston, Npt
€749.50 /unit







