Model 126
OEM Indicators
Model 126 – Our most affordable OEM piston type indicator with a Full scale accuracy of ±5% combined with Differential pressure range of 0-5 PSID to 0-20 PSID. Model 126 is available with clamp-on and flat pack electrical switch options. Model 126 has a lower price point while still delivering exceptional performance. Intended for use indoors or enclosed in weather protected enclosures.
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Product Features/Benefits
- Competitively Priced
- Rugged Piston Type design Sensing Element
- Corrosion Resistant
- Shatter Resistant Lens
- Over-Range Protection, High over Low and Low over High
- 1 Year Warranty
- For complete model details See Bulletin_126_127.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 0-20 PSID (0-0.35 bar to 0-1.4 bar)
- Working Pressures up to 3000 PSIG (69 Bar)
- Operating Temp -40°F to +200°F (-40°C to +93°C)
- 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 End connections
- Elastomers (O-rings) Buna-N, Viton, Neoprene, and Ethylene Propylene
- For complete specifications see: Specificationsheet_126_127.pdf
Common Applications
- Filter Monitoring
- Strainer Monitoring
- Water System Applications
- Refrigerant Filtration Systems
- Compressed Air
- Hydraulic
- Heat Exchanger Pressure
- Drop Monitoring
Switch Electrical Specifications:
Mid-West Instrument Model 126 Clamp-On and Flat Pack switches are available both adjustable and non-adjustable. The adjustable switch allows customer to set the switch within a defined adjustment span of range of the instrument. Mid-West can also pre-set switch set point(s) upon customer request.
- SPDT 3W, 0.25 Amp, 125 VAC/VDC
- SPST 60W, 3.0 Amp, 240 VAC/VDC (Normally Open)
CE Marked to RoHS and Low Voltage Directives upon request.
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 126Documents
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 |
