Mid-West Instrument
Made in the USA
Tel: (586) 254-6500 · Fax: (586) 254-6509
6500 Dobry Dr., Sterling Heights, Michigan 48314
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Differential Pressure Gauges
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Optional
Switches
±2%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
6000 (400)
1 or 2
±2%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
6000 (400)
1 or 2 switches or a 4-20mA Transmitter
±5%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
3000 (200)
1 or 2
±2%
0-150 PSID (0-10 bar)
0-400 PSID
(0-27 bar)
5000 (340)
1 or 2
±2%
0-5 PSID (0-0.35 bar)
0-150 PSID (0-10.0 bar)
0-110 (0-7.0 bar)
0-400 (0-27.0 bar)
10,000
1 or 2
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Optional
Switches
±2% or 5%
0-5" H20 (0-12.4 mbar)
0-400" H20
(0-1 bar)
500 (34)
1 or 2
±2%
0-25 PSID (0-1.7 bar)
0-100 PSID
(0-7 bar)
3000 (200)
1 or 2
±2%
0-20" H20 (0-50 mbar)
0-25 PSID
(0-1.7 bar)
3000 (200)
1 or 2
±5%
0-5 PSID (0-.35 bar)
0-50 PSID
(0-3.5 bar)
1000 (69)
1
±5%
0-5 PSID
0-50 PSID
1000 (69)
1
±0.50%
0-5 PSID (0-.35 bar)
0-300 PSID
(0-20.0 bar)
2900
1
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Optional
Switches
±1/2% or 1%
0-10" H20 (0-25 mbar)
0-80" H2O
(0-200 mbar)
500-6000
(34-400)
1 or 2
±1/2% or 1%
0-80" H20 (0-200 mbar)
0-400" H20
(0-1 bar)
500-6000
(34-400)
1 or 2
±1/2% or 1%
0-15 PSID (0-1 bar)
0-6000 PSID
(0-400 bar)
500-6000
(34-400)
1 or 2
 
Hazardous Location PDIS
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Switches
±2%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
5000 (340)
1 or 2
Class I DIV I
±2%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
5000 (340)
1 or 2
Class I DIV II
±2% or 5%
0-5" H20 (0-12.4 mbar)
0-400" H20
(0-1 bar)
500 (34)
1 or 2
Class I DIV I
±2%
0-25 PSID (0-1.7 bar)
0-100 PSID
(0-7 bar)
3000 (200)
1 or 2
Class I DIV I
±2%
0-25 PSID (0-1.7 bar)
0-100 PSID
(0-7 bar)
3000 (200)
1 or 2
Class I DIV II
±2%
0-20" H2O (0-50 mbar)
0-25 PSID
(0-1.7 bar)
3000 (200)
1 or 2
Class I DIV II
±2%
0-5 PSID (0-0.35 bar)
0-100 PSID
(0-7 bar)
4000 (275)
1 or 2
Explosion Proof
±2%
0-5 PSID (0-0.35 bar)
0-100 PSID
(0-7 bar)
4000 (275)
1 or 2
Explosion Proof
±2%
0-20" H20 (0-50 mbar)
0-100 PSID
(0-7 bar)
1500 (102)
1 or 2
Explosion Proof
 
Indicating Transmitters
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Output
±2%
0-5 PSID (0-0.35 bar)
0-110 PSID
(0-7 bar)
6000 (400)
4-20mA
±2%
0-5 PSID (0-0.35 bar)
0-150 PSID (0-10 bar)
0-110 PSID
(0-7 bar)
0-400 PSID
(0-27 bar)
10000 (680)
4-20 mA
±2% or 5%
0-25 PSID (0-1.7 bar)
0-100 PSID
(0-7 bar)
3000 (200)
4-20mA
±2%
0-20" H20 (0-50 mbar)
0-25 PSID
(0-1.7 bar)
3000 (200)
4-20mA
±2%
0-5 PSID (0-0.35 bar)
0-100 PSID
(0-7 bar)
4000 (275)
4-20mA
±2%
0-20" H20 (0-50 mbar)
0-100 PSID
(0-7 bar)
1500 (102)
4-20mA
 
Liquid Level Cryo/Liquified Gas
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Switches
±1%
0-10" H20 (25 mbar)
0-50" H20
(0-125 mbar)
1500
1 or 2
±1%
0-70" H20 (175 mbar)
0-800" H20
(0-2 bar)
500 Standard
1000 Optional
1 or 2
 
Indicators
Model
Accuracy
Min. ∆P Range
Max. ∆P Range
Max. Line
Pressure
PSIG (bar)
Optional
Switches
±5%
0-5 PSID (0-0.35 bar)
0-20 PSID
(0-1.4 bar)
3000 (200)
1 or 2
±5%
0-25 PSID (0-1.7 bar)
0-100 PSID
(0-7 bar)
3000 (200)
1 or 2
±5%
0-50" H20 (0-125 mbar)
0-30 PSID
(0-2.0 bar)
1000 (69)
1 or 2
±5%
0-5 PSID (0-0.35 bar)
0-25 PSID
(0-1.7 bar)
300 (20)
none
±5%
0-5 PSID (0-0.35 bar)
0-50 PSID
(0-3.5 bar)
1000 (69)
1 or 2
±5%
0-5 PSID (0-0.35 bar)
0-50 PSID
(0-3.5 bar)
300 (20)
none
 
Backflow Test Kits
Model
Accuracy
Gauge Type
Max. Range
PSID (kPa)
Max. Line
Pressure
PSIG (bar)
Carrying Case
±0.2 PSID
Diaphragm Differential
0-15 (0-100)
200 (14)
Included
±0.2 PSID
Diaphragm Differential
0-15 (0-100)
200 (14)
Included
±0.2 PSID
Diaphragm Differential
0-15 (0-100)
200 (14)
Included
±0.2 PSID
Diaphragm Differential
0-15 (0-100)
200 (14)
Included
±0.2 PSID
Diaphragm Differential
0-15 (0-100)
200 (14)
Included
 
Flow Test Kits
Model
Accuracy
Gauge Type
Max. Range
PSID (kPa)
Max. Working
Pressure
PSIG (bar)
Carrying Case
±0.1%
Bellows Differential Pressure
0-10 (0-100)
500
Included
±0.1%
Bellows Differential Pressurel
0-80 (0-100)
500
Included
±0.1%
Bellows Differential Pressurel
0-5 (0-100)
500
Included
±3-2-3%
Bellows Differential Pressure
0-5 (0-100)
500
Included
±3-2-3%
Bellows Differential Pressure
0-5 (0-400)
300
Included
±3-2-3%
Bellows Differential Pressure
0-50 (0-100)
500
Included
±3-2-3%
Bellows Differential Pressure
0-50 (0-100)
500
Included
±3-2-3%
Bellows Differential Pressure
0-10 (0-100)
400
Included
 
Pulsation Dampener and Pressure Limiting Valve
Model
Material Type
Max. Line Pressure
PSIG (bar)
Product Description
Brass, 316 S.S., Aluminum
3000 - 10,000
(200-680)
Provides Infinitely Adjustable Dampening
Brass, 316 S.S., Aluminum
5000 - 10,000
(340-680)
Pressure Limiting Valve Prevents Instrument Over-range
 
Averaging Pitot Tubes
Model
Material
316 Stainless Steel - Attaching Hardware; Carbon Steel or 316 SS (opt)
316 Stainless Steel - Attaching Hardware; Carbon Steel or 316 SS (opt)
CPVC, Carbon Steel, 316 Stainless Steel

 
 
Manifolds
Model
Product Description
3-Valve 316 S.S Single Block Mini-Manifold (1/4" FNPT Connections)
3-Valve 316 S.S Single Block Manifold (1/2" FNPT Connections)
5-Valve 316 S.S Single Block Manifold (1/2" FNPT Connections)