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About Us

Zoro Tools has a simple mission—
We help small business stay competitive!

We do this by offering more than 375,000 great products at super low prices. Small businesses have historically been at a disadvantage to larger companies who can buy stuff at lower prices because of their size. We want to change that!

Zoro Tools has most of the products that the “big guys” have and we offer every single one of them at an everyday low price. There are no complex discount structures to understand and no hidden costs. Every customer pays the same low price for an item—whether you want to buy one or one thousand!

Like you, we believe that the key to success is to always put our customers first.

 meet the staff

Contact Us

We live for the moments that we can make
you happy—that’s the truth!

Most of our business occurs through the internet. However, we know that there are times when you need to communicate with a person. Our customer service staff is here to help you. You can contact us in the way that works best for you.

Our customer service hours are Monday thru Friday from 7AM to 7PM (CST).

Si necesita ayuda en español, por favor, comuníquese con nosotros por teléfono. Gracias.

Phone

855.BUY.ZORO (855.289.9676)

Fax

855.FAX.ZORO (855.329.9676)

Email

askZoro@zorotools.com

Using Our Site

Zoro Tools has designed a unique and intuitive product search feature.

All you need to do is select the product attribute values you are looking for within your search results (size, color, material, etc.) by clicking on the value you want, and the products that meet the criteria you have chosen are immediately shown in a table right below where you made your selections.

The more specific you are in your attribute selections—the narrower the search results will become in your very own “custom made” product table!

If you prefer to search using manufacturer model #, a competitor’s part number or a Zoro Tools part number, just enter that number into the “search bar” at the top of the page, you will immediately be taken to a page that contains the item.

Open Account Billing

Open Account Billing

 learn how to apply

{business customers only}

Catalog Request

Top Products Guide

Right now, Zoro Tools’ FULL CATALOG is our website. So, you have full access to it all the time.

To request our Top Products Guide, please click below and fill out the form. Catalog requests may take up to 3 weeks to fulfill so we have also included a pdf version of the catalog to download.

In addition, you will automatically be placed on the mailing list once you buy from Zoro Tools.

 request a product guide

Questions/Feedback

If you have any questions or if there’s anything we can improve upon, please let us know…

 ask zoro

Differential Pressure Gauges

DWYER
Differential Pressure Gauges
Description : Item : Differential Pressure Gauge, Relay Type : 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Connection Size NPT (In.) : 1/8, Power Requirement : 110 VAC @ 50/60 Hz, Dial Size (In.) : 4-1/2, Ambient Operating Range (F) : 20 Degrees to 120 Degrees, Agency Compliance : CE/UL/CSA, Includes : Instructions, Manufacturers Warranty Length : 1 Year
Product Options
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Scale Type Differential Pressure Range Velocity Range (FPM) Pressure Range Minor Div. Rated Total Pressure Full Scale Accuracy (%) Mfr.# ZoroItem# Price Qty.
Pressure 0 to 1" WC - 0.02" WC 20" Hg to 25 psig +/-2 A3001 G3146367 $322.74/EA
Pressure 0 to 2" WC - 0.05" WC 20" Hg to 25 psig +/-2 A3002 G1644517 $322.74/EA
Pressure 0 to 0.25" WC - 0.005" WC 20" Hg to 25 psig +/-4 A3000-00 G2193484 $322.74/EA
Pressure 0.25 to 0 to 0.25" WC - 0.01" WC 20" Hg to 25 psig +/-2 A3300-0 G3326215 $322.74/EA
Pressure and Air Velocity 0 to 10" WC 2000 to 12,500 0.2" WC 20" Hg to 25 psig +/-2 A3010AV G1117347 $322.74/EA
Pressure 0 to 15 psi - 0.50 psi 20" Hg to 35 psig +/-2 A3215 G1753281 $322.74/EA
Pressure 0 to 50" WC - 1" WC 20" Hg to 25 psig +/-2 A3050 G3378541 $322.74/EA
Pressure and Air Velocity 0 to 2" WC 1000 to 5600 0.05" WC 20" Hg to 25 psig +/-2 A3002AV G0835134 $322.74/EA
Pressure 0 to 0.5" WC - 0.01" WC 20" Hg to 25 psig +/-3 A3000-0 G2463045 $322.74/EA
Pressure 0 to 25" WC - 0.50" WC 20" Hg to 25 psig +/-2 A3025 G2313351 $322.74/EA
Pressure 0 to 10" WC - 0.20" WC 20" Hg to 25 psig +/-2 A3010 G1883761 $322.74/EA
Pressure and Air Velocity 0 to 1" WC 500 to 4000 0.02" WC 20" Hg to 25 psig +/-2 A3001AV G1045712 $322.74/EA
Pressure 0.5 to 0 to 0.5" WC - 0.02" WC 20" Hg to 25 psig +/-2 A3301 G3435162 $322.74/EA
Pressure 0 to 10 psi - 0.20 psi 20" Hg to 35 psig +/-2 A3210 G0964555 $322.74/EA
Pressure 0 to 3" WC - 0.10" WC 20" Hg to 25 psig +/-2 A3003 G3268964 $322.74/EA
Pressure 0 to 5" WC - 0.10" WC 20" Hg to 25 psig +/-2 A3005 G0556744 $322.74/EA
Pressure 0 to 100" WC - 2" WC 20" Hg to 25 psig +/-2 A3100 G0562852 $322.74/EA
Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3001, Z#: G3146367

Product Description: Differential Pressure Gage, Pressure Range 0-1 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.02, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3002, Z#: G1644517

Product Description: Differential Pressure Gage, Pressure Range 0-2 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.05, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3000-00, Z#: G2193484

Product Description: Differential Pressure Gage, Pressure Range 0-0.25 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-4% @70 Deg F Full Scale, Pressure Range Minor Div 0.005, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3300-0, Z#: G3326215

Product Description: Differential Pressure Gauge, Scale Type Pressure, Pressure Range Minor Div. 0.01 In. WC, Rated Total Pressure 20 In. Hg to 25 psig, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Full Scale Accuracy ( Percent) +/-3, Connection Size NPT (In.) 1/8, Power Requirement 110 VAC @ 50/60 Hz, Dial Size (In.) 4-1/2, Ambient Operating Range (F) 20 Degrees to 120 Degrees , Agency Compliance CE/UL/CSA, Includes Instructions, Manufacturers Warranty Length 1 Year

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3010AV, Z#: G1117347

Product Description: Differential Pressure Gage, Pressure Range 0-10 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.2, Rated Total Pressure 20 In Hg to 25 PSIG, Velocity Range 2000-12,500 FPM, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3215, Z#: G1753281

Product Description: Differential Pressure Gage, Pressure Range 0-15 PSI, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.5, Rated Total Pressure 20 In Hg to 35 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3050, Z#: G3378541

Product Description: Differential Pressure Gage, Pressure Range 0-50 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 1, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3002AV, Z#: G0835134

Product Description: Differential Pressure Gage, Pressure Range 0-2 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.05, Rated Total Pressure 20 In Hg to 25 PSIG, Velocity Range 1000-5600 FPM, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3000-0, Z#: G2463045

Product Description: Differential Pressure Gage, Pressure Range 0-0.5 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-3% @70 Deg F Full Scale, Pressure Range Minor Div 0.01, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3025, Z#: G2313351

Product Description: Differential Pressure Gage, Pressure Range 0-25 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.5, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3010, Z#: G1883761

Product Description: Differential Pressure Gage, Pressure Range 0-10 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.2, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3001AV, Z#: G1045712

Product Description: Differential Pressure Gage, Pressure Range 0-1 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.02, Rated Total Pressure 20 In Hg to 25 PSIG, Velocity Range 500-4000 FPM, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3301, Z#: G3435162

Product Description: Differential Pressure Gage, Pressure Range 0.5-0-0.5 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.02, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3210, Z#: G0964555

Product Description: Differential Pressure Gage, Pressure Range 0-10 PSI, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.2, Rated Total Pressure 20 In Hg to 35 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3003, Z#: G3268964

Product Description: Differential Pressure Gage, Pressure Range 0-3 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.1, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3005, Z#: G0556744

Product Description: Differential Pressure Gage, Pressure Range 0-5 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.1, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions

Product Details

Differential Pressure Gauges

Brand: DWYER
Mfr#: A3100, Z#: G0562852

Product Description: Differential Pressure Gage, Pressure Range 0-100 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 2, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions