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    Calibration Services
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Pressure
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Air Quality
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Air Velocity
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Flow
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Level
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Temperature
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Test Equipment
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Valves
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Miscellaneous
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Hazardous Rated
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Power Supplies & Transformers
    Power supplies and transformers are for power instrumentation. Some models are power supplies and others are transformers. Applications include BAS, HVAC, Test and Balance.
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    Accessories
    Accessories for instrumentation products. Including filters, cooling extensions, gage fluids, gage guards, fittings, mounting, connectors, and tubing.
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    • Most Popular
    • Questions

    Most Popular

    Static Pressure Tips & Accessories
    Mounting Options
    Gage Tubing Accessories
    Fittings/Filters/Mufflers

    Questions

    Question
    Will a Dwyer pressure switch be damaged if the pressure exceeding the maximum set-point is applied to the switch?
    Answer
    No. Not unless the maximum pressure rating of the switch is exceeded.
    Related
    Series A-3000
    Series PDPS
    Series 3000MR/3000MRS
    Series ADPS/EDPS
    Series 1900
    Series 1800
    Question
    How do I hook up my Magnehelic® gage for an air velocity application with a pitot tube?
    Answer
    In our Application Guides on flow products, we explain very well how to take air velocity readings. The total pressure connection on the pitot tube is connected to one of the high pressure ports on the gage. The other high pressure port is plugged. The static pressure connection on the pitot tube is connected to one of the low pressure ports on the gage. The other low pressure port is plugged.
    Related
    Static Pressure Tips & Accessories
    Series 2000
    Series 160
    Question
    How often should I replace the filter on my 1205A-0 handheld CO analyzer?
    Answer
    This filter should be replaced if it begins to appear wet or dirty and can be replaced with Model F195 Air Filter.
    Related
    Model F195
    Question
    Trying to measure differential pressure between OSA and indoors. Using transmitters with a range of +25pa to -25pa. Monitoring pressure variations occur from basically 0pa to 20pa over a short period of time (15 to 30 sec) Building is basically closed during testing, suspect OSA fluctuating due to winds? eddy currents etc. Any ideas, Building under positive pressure is critical for safety reasons Any ideas?
    Answer
    Whenever you are using outside air for a static pressure reference, fluctuations in outside conditions can cause erratic differential pressure readings. By using one of our outdoor static reference probes, you can diminish the influence of outdoor weather on your reading.
    Related
    Static Pressure Tips & Accessories
    Question
    I need to protect a pressure transmitter from power surges and spikes. The model of the transmitter is: 626-09-GH-P1-E1-S1
    Answer
    If you are worried about power surges and spikes, we recommend that you use a regulated power supply in your system. See our Model BPS-005 low cost DC regulated power supply.
    Related
    Model BPS-005
    Series 626 & 628
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