This is a Midwest Instrument 3-color differential pressure indicator. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing. Made in USA.
Technical Specs
| Item | 3-Color Differential Pressure Indicator |
| Process Connection Size | 1/4 in |
| Process Connection Type | NPT |
| Process Connection Gender | Female |
| Accuracy | ±5% of Full Scale |
| Case Material | 316 Stainless Steel |
| Lens Material | Acrylic |
| Maximum Working Static Pressure | 1,000 psig |
| Nominal Dial Size | 2-1/2 in |
| Sensor Type | Diaphragm |
| Series | 522 |
| Adjustable Set Points | Yes |
| Case Shape | Square |
| Housing Material | 316 Stainless Steel |
| O-Ring Material | Buna-N |
| Over-Pressure Limit | 40% to 95% of Full Scale |
| Panel-Mountable | Yes |
| Seal Material | Buna-N |
| Sensor Material | Buna-N |
| Switch Connector Type | DIN 43650/IP65-PG9 NEMA 4X Plug-In |
| Switch Output Current | 3 A |
| Switch Voltage Output | 240VAC/DC |
| Switch Wattage Output | 60 W |
| Manufacturer Part Number | 522S-020-LE |
| Pressure Measurement - Maximum | 20 psid |
| Pressure Measurement - Minimum | 0 psid |
| IP Rating | IP65 |
| NEMA Enclosure Rating | 4X |
| Change Filter Pressure Measurement - Maximum | 15 psid |
| Change Filter Pressure Measurement - Minimum | 10 psid |
| Clean Filter Pressure Measurement - Maximum | 10 psid |
| Clean Filter Pressure Measurement - Minimum | 0 psid |
| Dial Scale Color | Green-Yellow-Red |
| Dirty Filter Pressure Measurement - Maximum | 20 psid |
| Dirty Filter Pressure Measurement - Minimum | 15 psid |
| Process Media Temperature - Maximum | 200 °F |
| Process Media Temperature - Minimum | -40 °F |
| Pressure Range | 0 psid to 20 psid |
| IP/NEMA Rating | IP65 ; 4X |
| Transition Point Range – Yellow | 10 psid to 15 psid |
| Transition Point Range – Green | 0 psid to 10 psid |
| Transition Point Range – Red | 15 psid to 20 psid |