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Diaphragm Type
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Model 114
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/12/114.png)
Differential Pressure Range:
0-0.72 PSID (0-20" H20) to 0-20 PSID (0-600" H2O)
Tank Level Applications
Tank Level Applications
Accuracy:
±3/2/3%
Working Pressure:
1000 PSI
Electrical Available:
CE / LVD, RoHS Compliant, NEMA 4X, 4-20mA Transmitter
Material:
Aluminum, Brass, 316/316L Stainless Steel (Wetted Part)
Model 130
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/130-2.png)
Differential Pressure Range:
0-5" H2O to 0-15 PSID (0-400" H2O)
Accuracy:
0-5" H2O to 0-9.9" H2O
±5%
0-10" H2O to 0-15 PSID
±3/2/3%
±5%
0-10" H2O to 0-15 PSID
±3/2/3%
Working Pressure:
Up to 500 PSI
Electrical Available:
CE / LVD, RoHS Compliant, NEMA 4X, Class 1-Div. 1
Material:
Polysulfone Engineered Plastic, Brass, Aluminum and 316/316L Stainless Steel (Wetted Part)
Model 140
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/140-AA-Front.png)
Differential Pressure Range:
0-50" H2O to 0-100 PSID
Accuracy:
0-50" H2O to 0-399" H2O
±5%
0-15 PSID to 0-100 PSID
±3/2/3%
±5%
0-15 PSID to 0-100 PSID
±3/2/3%
Working Pressure:
Up to 3,000 PSI
Electrical Available:
CE / LVD, RoHS Compliant, NEMA 4X, Terminal Strip, Class 1-Div. 1, Class 1-Div. 2, 4-20mA Transmitter
Material:
Aluminum, Brass, 316/316L Stainless Steel, Aluminum/Bronze & Monel(Wetted Part)
Model 142
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/142.png)
Differential Pressure Range:
0-20" H2O to 0-25 PSID
Accuracy:
±3/2/3%
Working Pressure:
Up to 3,000 PSI
Electrical Available:
CE / LVD, RoHS Compliant, NEMA 4X, Terminal Strip, Class 1-Div. 2, 4-20mA Transmitter
Material:
Aluminum, Brass, 316/316L Stainless Steel, Aluminum/Bronze & Monel(Wetted Part)
Model 240
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/240-AC-Front.png)
Differential Pressure Range:
0-20" H2O to 0-100 PSID
Accuracy:
±3/2/3%
Working Pressure:
Up to 1500 PSI
Electrical Available:
CE / ATEX / RoHS Compliant CSA, UL & KOSHA CERTIFIED, NEMA 4X, Terminal Strip, Class 1-Div. 1, Class 1-Div. 2, 4-20mA Transmitter
Material:
Aluminum and 316 Stainless Steel Wetted Pressure containing body assembly
Model 522
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/12/522.png)
Differential Pressure Range:
0-5 PSID to 0-50 PSID
Accuracy:
±5%
Working Pressure:
1,000 PSI
Electrical Available:
CE / LVD, RoHS Compliant
Material:
Aluminum, Acetal Plastic and 316/316L Stainless Steel, (Wetted Part)
Model 522C (3-Color Dial)
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/522a.png)
Differential Pressure Range:
0-5 PSID to 0-50 PSID
Accuracy:
±5%
Working Pressure:
1,000 PSI
Electrical Available:
CE / LVD, RoHS Compliant
Material:
Aluminum, Acetal Plastic and 316/316L Stainless Steel, (Wetted Part)
Model 555A (3-Color Dial)
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/10/555gaugefront9746.png)
Differential Pressure Range:
0-3.5 PSID to 0-43 PSID
Accuracy:
±5%
Working Pressure:
300 PSI
Electrical Available:
Not Available
Material:
Glass Filled Nylon (GFN) (Wetted Part)
Model 700 / 710 / 715
Diaphragm Type
![](https://www.midwestinstrument.com/wp-content/uploads/2018/12/700-scaled.jpg)
Differential Pressure Range:
0-5 PSID to 0-300 PSID
Accuracy:
±0.50%
Working Pressure:
2,900 PSI
Electrical Available:
2-Wire
4-20 mA Transmitter 15-28 VDC, LCD = 4-20 mA Transmitter 18-28 VDC, LED = 4-20 mA Transmitter 20-28 VDC
3 Wire
15-28 VDC/1-5 VDC, 15-28 VDC/0-5 VDC, 15-28 VDC/0-10 mADC, 15-28 VDC/0-20 mADC, 15-28 VDC/0-10 VDC
4-20 mA Transmitter 15-28 VDC, LCD = 4-20 mA Transmitter 18-28 VDC, LED = 4-20 mA Transmitter 20-28 VDC
3 Wire
15-28 VDC/1-5 VDC, 15-28 VDC/0-5 VDC, 15-28 VDC/0-10 mADC, 15-28 VDC/0-20 mADC, 15-28 VDC/0-10 VDC
Material:
321 Stainless Steel(Wetted Part)
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Mid-West Instrument will be closed Friday August 30 and Monday September 2 for the Labor Day holiday.
We will return on Tuesday, September 3 at 7:30 am EST.