Precision Flow Test Kits

Whether you are looking for a high accuracy portable test kit for flow indication and leak detection – or a more rugged medium accuracy portable test kit – Mid-West Instrument has designed and manufactures the RIGHT flow test kit for your budget and your application.

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Flow Test Kit – 805

Range: 0-10″ H2O thru 0-79.9″ H2O

High accuracy portable test kit for precise flow indication and leak detection. This kit is equipped with a precise (±1% of full scale) accuracy differential pressure gauge. Popular applications include but are not limited to: measuring the pressure drop across various types of equipment i.e. filters, balancing HVAC systems, checking pump performance, orifice plates, checking calibration of transmitters, or reading flow directly when ordered with a square root dial etc.

Bulletins/IOMs Bulletin_805

Precision Flow Test Kit 805

Flow Test Kit – 806

Range: 0-80″ H2O thru 0-800″ H2O

High accuracy portable test kit for precise flow indication and leak detection. This kit is equipped with a precise (±1% of full scale) accuracy differential pressure gauge. Popular applications include but are not limited to: measuring the pressure drop across various types of equipment i.e. filters, balancing HVAC systems, checking pump performance, orifice plates, checking calibration of transmitters, or reading flow directly when ordered with a square root dial etc.

Bulletins/IOMs Bulletin_806

Precision Flow Test Kit 806

Flow Test Kits – 809

Range: 0-15 PSID thru 0-500 PSID

High accuracy portable test kit for precise flow indication and leak detection. This kit is equipped with a precise (±1% of full scale) accuracy differential pressure gauge. Popular applications include but are not limited to: measuring the pressure drop across various types of equipment i.e. filters, balancing HVAC systems, checking pump performance, orifice plates, checking calibration of transmitters, or reading flow directly when ordered with a square root dial etc.

Bulletins/IOMs Bulletin_809

Precision Flow Test Kit 809

Flow Test Kit – 820

Range: 0-5 PSID thru 0-100 PSID

Rugged Medium Duty Portable Test Kit. This test kit is equipped with a ±3-2-3% of full scale accuracy (ascending) piston type differential pressure gauge. Popular applications include but are not limited to, measuring pressure drop across various types of equipment, filters, checking pump performance, balancing valves, checking equipment for excessive pressure drop, leakage, etc.

Bulletins/IOMs Bulletin_820

Precision Flow Test Kit 820

Flow Test Kit – 831

Range: 0-5″ H2O thru 0-400″ H2O

Sensitive yet rugged medium duty diaphragm type portable test kit. Ideally suited for applications where differential pressures of 0-5” to 0-400” H2O may be encountered. Popular applications are balancing heating & cooling systems, checking pump performance, leakage, checking equipment for excessive pressure drop, (i.e. filters, balancing valves, averaging pitot tubes, orfice plates etc.) Model 831 test kit provides differential pressure ranges and accuracies as follows; 0-5″ H2O to 0-9.9″ H2O ±5% / 0-10″ H2O to 0-400″ H2O ±3/2/3% full scale (ascending). Popular applications are balancing heating & cooling systems, checking pump performance, leakage, checking equipment for excessive pressure drop, (i.e. filters, balancing valves, averaging pitot tubes, orfice plates etc.) Dials may be for reading differential pressure, or reading flow directly, if ordered with a flow (square root) dial.

Bulletins/IOMs Bulletin_831

Precision Flow Test Kit 831

Flow Test Kit – 841

Range: 0-50″ H2O thru 0-100 PSID

Rugged Medium Duty Portable Test Kit. This test kit is equipped with diaphragm type differential pressure gauge with differential pressure ranges and accuracies as follows; 0-50″ H2O to 0-400″ H2O ±5% / 0-15 PSID to 0-100 PSID ± 3-2-3% full scale (ascending).

Popular applications include but are not limited to, measuring pressure drop across various types of equipment, filters, checking pump performance, balancing valves, checking equipment for excessive pressure drop, leakage, etc.

Bulletins/IOMs Bulletin_841

Precision Flow Test Kit 841

Flow Test Kit – 842

Range: 0-50″ H2O thru 0-100 PSID

Rugged (2) gauge medium duty portable flow test kit (Model 841 & Model 821). This kit is equipped with two differential pressure gauges with complimentary dials ranges, enabling it to cover a broad range differential pressures and accuracies;

Model 841, 0-50″ H2O to 0-400″ H2O ±5% / 0-15 PSID to 0-100 PSID ± 3-2-3% full scale (ascending).

Model 821, 0-5 PSID to 0-100 PSID ± 3-2-3%, full scale (ascending). Both gauges are protected against over-range to the maximum working pressure of the test kit. While primarily used for balancing HVAC systems it has numerous other applications which include but  are not limited to: checking pump performance, checking pressure drop across filters, leakage, etc.

Bulletins/IOMs Bulletin_842

Precision Flow Test Kit 842

Flow Test Kit – 843

Range: 0-5″ H2O thru 0-100 PSID

Rugged (2) gauge medium duty portable flow test kit (Models 831 & 841). This kit is equipped with two differential pressure gauges     with complimentary dials ranges, enabling it to cover a broad range differential pressures and accuracies;

Model 831, 0-5″ H2O to 0-9.9″ H2O ±5% / 0-10″ H2O to 0-400″ H2O ±3/2/3% full scale (ascending).

Model 841, 0-50″ H2O to 0-400″ H2O ±5% / 0-15 PSID to 0-100 PSID ±3/2/3% full scale (ascending).

Both gauges are protected against over-range to the maximum working pressure of the test kit. While primarily used for balancing HVAC systems it has numerous other applications which include but are not limited to: checking pump performance, checking pressure drop across filters, leakage, etc.

Bulletins/IOMs Bulletin_843

Precision Flow Test Kit 843

843 Flow Kit
Model No. Differential Pressure Range Accuracy Working Pressure Electrical Available Specifications Installation/ Operation Manual Electrical IOM Drawing
Precision Flow Test Kit 805 0-10" H2O to 0-79.9" H2O ±1% 500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 806 0-80" H2O to 0-400" H2O ±1% 500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 809 0-15 PSID to 0-500 PSID ±1% 500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 820 0-5 PSID to 0-100 PSID ±3/2/3% 500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 831 0-5" H2O to 0-9.9" H2O
0-10" H2O to 0-400" H2O
±5%
±3/2/3%
300 PSI N/AN/AN/AN/A
Precision Flow Test Kit 841 0-50" H2O to 0-400" H2O
0-15 PSID to 0-100 PSID
±5%
±3/2/3%
500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 8422 Gauge Test Kit (841)
0-50" H2O to 0-400" H2O
0-15 PSID to 0-100 PSID
(820)
0-5 PSID to 0-100 PSID
(841)
±5%
±3/2/3%
(820)
±3/2/3%
500 PSI N/AN/AN/AN/A
Precision Flow Test Kit 8432 Gauge Test Kit (831)
0-5" H2O to 0-9.9" H2O
0-10" H2O to 0-400" H2O
(841)
0-50" H2O to 0-400" H2O
0-15 PSID to 0-100 PSID
(831)
±5%
±3/2/3%
(841)
±5%
±3/2/3%
(831)
300 PSI to
(841)
500 PSI
N/AN/AN/AN/A
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