Model 146
OEM Indicators
Model 146 – Our most affordable OEM diaphragm type indicator with a Full scale accuracy of ±5% combined with Differential pressure range of 0-5 PSID to 0-30 PSID. Model 146 is available with Plug-In DIN and Flying Lead electrical switch options. Model 146 has a lower price point while still delivering exceptional performance.
Contact Us Today For Availability
Product Features/Benefits
- Competitively Priced
- Rugged Diaphragm Type design Sensing Element
- Weather Resistant (Electrical with DIN Connector) & Corrosion Resistant
- Shatter Resistant Lens
- Over-Range Protection, High over Low and Low over High
- 1 Year Warranty
- For complete model details See Bulletin_146.pdf
Specifications / Configuration
- Dial Sizes available: Oval, Single Side or Dual Side: 1-1/4” x 2-1/4”
- Differential Full Scale Ascending Accuracy ±5% (ASME B40.1 Grade D)
- Dial Scale Range: 0-5 PSID to 0-30 PSID (0-0.35 bar to 0-2.0 bar)
- Working Pressures up to 1000 PSIG (69 Bar)
- Operating Temp -40°F to +200°F (-40°C to +93°C)
- Weather Protection NEMA 4X / IP65 DIN Option Only
- Material of Construction of Body – Aluminum or 316 Stainless Steel (Wetted Part)
- Internal wetted parts-316 Stainless Steel Piston & Ceramic Magnet
- Available with 1/8” FNPT Bottom or Back connections
- Elastomers (O-rings) Buna-N, Viton, Silicone, Neoprene (25 PSID & below),and Ethylene Propylene
- For complete specifications see: Specificationsheet_146.pdf
Common Applications
- Filter Monitoring
- Strainer Monitoring
- Water System Applications
- Refrigerant Filtration Systems
- Compressed Air
- Hydraulic
- Heat Exchanger Pressure
- Drop Monitoring
Mid-West Instrument Model 146 Plug-In DIN and Flying lead switches are available non-adjustable. Mid-West will pre-set switch set point(s) upon customer requirements.
- Switches are optional
- Hermetically Sealed Switch Outputs: 3 amps in SPST and 0.25 Amp in SPDT configuration.
- Available with Flying Leads or with DIN IP65 / NEMA 4X Plug-in Connector.
- SPDT 3W, 0.25 Amp, 125 VAC/VDC
- SPST 60W, 3.0 Amp, 240 VAC/VDC
- DIN Compression Plug seals on Cable OD. We can match Plug to Cable OD.
- Upon request CE Marked for Compliance with the Low Voltage & RoHS Directives
Additional Options:
- Mounting Holes
The Mid-West Advantage
- 1 year warranty
- 30 + Years Hazardous Location product manufacturer.
- OEM and Private Label Capabilities
- Fast on-time Deliveries
- Friendly Customer Support
- Certified Quality System CSA B51-09 SAI GLOBAL
Model 146Documents
OEM Indicators “Piston Type”
| Model No. | Differential Pressure Range | Accuracy | Working Pressure | Electrical Available | Specifications | Installation/ Operation Manual | Electrical IOM | Drawing |
|---|---|---|---|---|---|---|---|---|
| Model 126 | 0-5 PSID to 0-20 PSID | ±5% | 3,000 PSI | Available CE Marked to LVD & RoHS | N/A | N/A | ||
| Model 127 | 0-25 PSID to 0-100 PSID | ±5% | 3,000 PSI | Available CE Marked to LVD & RoHS Directives | N/A | N/A |
OEM Indicators “Diaphragm Type”
| Model No. | Differential Pressure Range | Accuracy | Working Pressure | Electrical Available | Specifications | Installation/ Operation Manual | Electrical IOM | Drawing |
|---|---|---|---|---|---|---|---|---|
| Model 146 | 0-3 PSID (0-50" H2O) to 0-30 PSID | ±5% | 1,000 PSI | Electrical Enclosures Weather-Resistant, NEMA 4X | N/A | N/A | ||
| Model 444 | 0-5 PSID to 0-30 PSID | ±5% | 300 PSI | None available | N/A | N/A | N/A | |
| Model 522 (OEM)OEM | 0-5 PSID to 0-50 PSID | ±5% | 1,000 PSI | Available CE Marked to LVD & RoHS Directives, SPST & SPDT Switches | N/A | N/A | N/A | N/A |
| Model 555 (OEM)Tri-Color | 0-3.5 PSID to 0-43 PSID | ±5% | 300 PSI | Not Available | N/A | N/A |
