Rating: MS5209 Digital Earth resistance tester with measure range 0.1 Ohm - 1000 Ohm. Earth resistance measured by constant current inverter 800Hz/2mA. Rate this product Add to wishlist Manufacturer: MASTECH Warranty: 12 months Price: 179.00лв. VAT Incl. 179.00 BGN SKU: 13585 Weight: 0.800 Kgs Quantity: 6 Quick Buy I agree to the Terms and conditions These are our terms & conditions.