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Electronics > Electronic Instruments > Test Equipment > Extech GRT300-NISTL Four-Wire Earth Ground Resistance Tester Kit with Limited NIST Certificate; 4-wire, 3-wire, and 2-wire testing; Large dual line LCD; Automatic I (current) and P (potential) spike check; Test Hold function for easy operation; Autoranging; Automatic Zero adjustment; Data Hold and Auto Power off; AC Earth Voltage; Overrange and low battery indication; UPC: 793950383117 (EXTECHGRT300NISTL GRT300-NISTL TESTER)
Extech GRT300-NISTL Four-Wire Earth Ground Resistance Tester Kit with Limited NIST Certificate; 4-wire, 3-wire, and 2-wire testing; Large dual line LCD; Automatic I (current) and P (potential) spike check; Test Hold function for easy operation; Autoranging; Automatic Zero adjustment; Data Hold and Auto Power off; AC Earth Voltage; Overrange and low battery indication; UPC: 793950383117 (EXTECHGRT300NISTL GRT300-NISTL TESTER)
Extech GRT300-NISTL Four-Wire Earth Ground Resistance Tester Kit with Limited NIST Certificate; 4-wire, 3-wire, and 2-wire testing; Large dual line LCD; Automatic I (current) and P (potential) spike check; Test Hold function for easy operation; Autoranging; Automatic Zero adjustment; Data Hold and Auto Power off; AC Earth Voltage; Overrange and low battery indication; UPC: 793950383117 (EXTECHGRT300NISTL GRT300-NISTL TESTER)
SKU: GRT300NISTL
Brand: Extech
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Extech GRT300-NISTL Four-Wire Earth Ground Resistance Tester Kit with Limited NIST Certificate; 4-wire, 3-wire, and 2-wire testing; Large dual line LCD; Automatic I (current) and P (potential) spike check; Test Hold function for easy operation; Autoranging; Automatic Zero adjustment; Data Hold and Auto Power off; AC Earth Voltage; Overrange and low battery indication; UPC: 793950383117 (EXTECHGRT300NISTL GRT300-NISTL TESTER); Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries; Dimensions: 9.8 x 7.8 x 4.3 in.; Weight: 4 pounds

General Information
Manufacturer

Extech

Manufacturer Part Number

GRT300-NISTL
Product Name

Four-Wire Earth Ground Resistance Tester Kit with Limited NIST Certificate
UPC 793950383117

Features
  • 4-wire, 3-wire, and 2-wire testing
  • Large dual line LCD
  • Automatic I (current) and P (potential) spike check
  • Test Hold function for easy operation
  • Autoranging
  • Automatic Zero adjustment
  • Data Hold and Auto Power off
  • AC Earth Voltage
  • Overrange and low battery indication
  • Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries

Specifications
Earth Ground Resistance ranges 2ohm / 20ohm / 200 ohm / 2000ohm
Basic Accuracy More or less (2 percent rdg + 3d)
Resolution 0.01ohm / 0.1ohm /1 ohm /0.01 kohm
Test Current / Frequency Less than 2mA / 820Hz
AC Earth Voltage / Frequency 0 to 300VAC / 40 to 500Hz
Accuracy More or less (2 percent rdg+3d)
Power supply Eight 1.5V 'AA' Batteries
Dimensions 9.8 x 7.8 x 4.3 in.
Weight 4 pounds

M-20190129-1614-244-L
M-20220517-1454-200-L
M-20220628-1454-200-L

 *This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.S
*** DISCLAIMERS: 1) Availability is not always guaranteed: Please call or email us to double-check stock before placing your order. We ship from our inventory and also drop-ship from hundreds of suppliers. We try very hard to show only available products but sometimes products sell out before we can update the product webpage.  2) Some information may have been supplied by 3rd Party Content Suppliers: We are not responsible for Data or Image errors.  3) We do not offer Installation, Training or Technical Support on this product.***

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