• Call Me Back
    • (800) 884-5767 (Toll-Free)
    Skip to main content
    Mega Depot_img
    Help
    Sign In My Account
    Search Mega Depot
    Search
    0 Quote Cart
    0 My Cart
    All
    Close
    • Account
    • DEALS
    • Shop by Departments
    • DEALS
    • Brands
    • Industries
    • Resources
    • Help
    • My account
    • Call Me Back
    • (800) 884-5767 (Toll-Free)

    Save $20

    on any order of $599+

    Code: 20OFF

    Save $30

    on any order of $999+

    Code: 30OFF

    Save $50

    on any order of $1499+

    Code: 50OFF

    View All Coupon Codes

      • Home
      • Test Equipment
      • Meters
      • Resistance Meters
      • Earth Ground
      • Hoyt 1820 ER-A
    Mega Depot
    info@MegaDepot.com
    (800) 884-5767
    +1 (332) 900-3727 (Intl.)

    Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester

    • Brand ["extech","flir"] Hoyt
    • Part # 1820 ER-A

    Identifiers

    • Condition
      Brand New
    • Factory warranty
    Hoyt
    Hoyt 1820 ER-A
    • List Price
      $595.00
      • Sale Price
        Price $507.00 Kit
        14.8%
    • Free Shipping

      This item qualifies for Free Ground...  

      *
    • List Price
      $595.00
      • Sale Price
        $507.00 Kit
    • Free Shipping

      This item qualifies for Free Ground...  

    Buy in Bulk 4 Applicable Promotion(s)
    Show All Show Less
    • Buy 5 pcs, get 4% off

      Save 4% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 5 or more

    • Buy 4 pcs, get 3% off

      Save 3% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 4 or more

    • Buy 3 pcs, get 2% off

      Save 2% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 3 or more

    • Buy 2 pcs, get 1% off

      Save 1% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 2 or more

    Availability
    3-4 Weeks Factory Lead Time
    Check Availability
    Quantity
    Sum.
    Share:
    • Send to Email
    • Print
    • List Price
      $595.00
      • Sale Price
        Price $507.00 Kit
        14.8%
    • Free Shipping

      This item qualifies for Free Ground...  

      *
    • List Price
      $595.00
      • Sale Price
        Price $507.00 Kit
        14.8%
    • Free Shipping

      This item qualifies for Free Ground...  

      *
    • List Price
      $595.00
      • Sale Price
        Price $507.00 Kit
        14.8%
    • Free Shipping

      This item qualifies for Free Ground...  

      *
    Running Special Offers
    Hoyt Special Offer!

    Get a FREE GIFT With Your Purchase of Selected Hoyt Products!

    All sales are final
    All sales are final
    • These are made-to-order items.
    • This product is not eligible for return or exchange unless defective.
    • The average lead-time is 1 or 2 weeks.
    Buy in Bulk 4 Applicable Promotion(s)
    Show All Show Less
    • Buy 5 pcs, get 4% off

      Save 4% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 5 or more

    • Buy 4 pcs, get 3% off

      Save 3% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 4 or more

    • Buy 3 pcs, get 2% off

      Save 2% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 3 or more

    • Buy 2 pcs, get 1% off

      Save 1% each on Hoyt 1820 ER-A 3 Wire Digital Earth Resistance Tester when you purchase 2 or more

    Choose your Gift:

    1820 ER-A Includes Only:

    • Instruction manual
    • Test leads (red-15m, yellow-10m, green-5m)
    • Auxiliary earth spikes
    • Simplified measurement probe
    • Shoulder belt
    • Batteries.

    Features:

    • Capable of measuring earth resistance and earth voltage.
    • 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.
    • The test leads are supplied as standard accessories for a simplified two-wire measuring system.
    • Battery operated.
    • Data hold function.
    • Low battery indication.
    • Calibration performed with supplied test leads.

    3 Wire Digital Earth Resistance Tester with 3-1/2 digit (2000 counts) display.

    See more product information See less

    We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.

    Authorized Distributor

    Technical Details

    Reviews
    Measuring systemEarth resistance by constant current inverter 820 Hz, 2mA approx.
    Open circuit indicationLED will be unlit
    Display3-1/2 digit (2000 counts)
    Over range indication"1"(MSD)
    Measuring ranges
    • Earth resistance: 0-20Ohm / 0-200Ohm / 0-2000Ohm
    • Earth voltage: 0-200 Vac(40-500Hz)
    Accuracy
    • Earth resistance: ±(2%rdg+2dgt) or ±0.1Ohm, which is greater
    • Earth voltage: ±(1%rdg+2dgt)
    • Earth resistance resolution: 0-20Ohm : 0.01Ohm / 0-200Ohm: 0.1Ohm / 0-2000Ohm : 1Ohm
    Dimensions170(L) x 165(W) x 92(D)mm
    Weight (battery included)Approx. 1040g
    Power source1.5V (AA) x 8
    Safety StandardEN 61010-1 CAT II 300V, IEC 61557-1, IEC 61557-5, EN 61326-1
    Notes

    * Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

    Product Details
    Measuring systemEarth resistance by constant current inverter 820 Hz, 2mA approx.
    Open circuit indicationLED will be unlit
    Display3-1/2 digit (2000 counts)
    Over range indication"1"(MSD)
    Measuring ranges
    • Earth resistance: 0-20Ohm / 0-200Ohm / 0-2000Ohm
    • Earth voltage: 0-200 Vac(40-500Hz)
    Accuracy
    • Earth resistance: ±(2%rdg+2dgt) or ±0.1Ohm, which is greater
    • Earth voltage: ±(1%rdg+2dgt)
    • Earth resistance resolution: 0-20Ohm : 0.01Ohm / 0-200Ohm: 0.1Ohm / 0-2000Ohm : 1Ohm
    Dimensions170(L) x 165(W) x 92(D)mm
    Weight (battery included)Approx. 1040g
    Power source1.5V (AA) x 8
    Safety StandardEN 61010-1 CAT II 300V, IEC 61557-1, IEC 61557-5, EN 61326-1
    Note

    Note: Please read description carefully. Do not base your order on the picture presented.

    Reviews

    Reviews

    Mega Depot
    info@MegaDepot.com
    (800) 884-5767
    +1 (332) 900-3727 (Intl.)
    • Great value We offer competitive prices on over 1,000,000 products

    • Safe payment Pay with the world's most popular and secure payment methods

    • Shop with confidence Our buyer Protection covers your purchase from the first click to delivery

    • Worldwide delivery We ship throughout the United States, Canada and to over 200 countries worldwide

    • Warranty All products on the website are covered by manufacturer's warranties

    • Accessibility Our website supports all desktop, mobile & tablet devices

    • Mega Depot's ratings
      • …
      • Mega Depot LLC Business Review
      • …
      • …
    • We care about security
      • Webutation
      • Official PayPal Seal
      • Webutation
    • payment methods we accept
      • Visa
      • MC
      • AmEx
      • Discover
      • PayPal
      • Apple Pay
      • Google Pay
      • PO
      • Payoneer
      • Coupa
    • Follow US
    • Facebook
    • Twitter
    • Pinterest
    • Linkedin
    • Instagram
    • Customer Service
      • Returns or Exchanges
      • Missing Package
      • Manufacturer Support
      • Help & FAQs
      • Affiliate Program
      • Contact Us
      • Leave Feedback
    • Why Buy From Us?
      • Authorized Distributor
      • Volume Discounts
      • Promotions
      • Safe & Secure Shopping
    • Order Support
      • Get a Quote
      • International Sales
      • My Account
      • Check Order Status
    • Company Information
      • About Us
      • Company Policies
      • News
      • Customer Testimonials
    • Contact Information
      Phone:
      (800) 884-5767
      +1 (332) 900-3727 (int.)
      Fax:
      +1-718-504-6285
      Email:
      info@MegaDepot.com
      Address:
      234 Commerce St,
      PO Box 117,
      Hinesburg, VT 05461
      Regular mail only.
      No parcels (UPS, FedEx, etc.) are accepted.
    • Hours of Operation
      • Monday - Friday
      • 8:00 AM - 5:00 PM Eastern Time

        Saturday and Sunday Closed (email only)
        Closed during holidays (email only)

      • Current time is 7:26 PM EST.
      • Our office will resume its operations in 12 hour(s), 34 minute(s)

    © 2004-2025 MegaDepot.com

    Mega Depot is a trademark registered in the US Patent and Trademark Office.

      Any unauthorized copying without permission of MegaDepot.com is prohibited.