Cart Continue Shopping “Digital ORP-200 Waterproof ORP Meter, -999 to +1000 mV ORP Range” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Digital ORP-200 Waterproof ORP Meter, -999 to +1000 mV ORP Range $119.00 Digital ORP-200 Waterproof ORP Meter, -999 to +1000 mV ORP Range quantity $119.00 Coupon: Apply Coupon Update Cart You may be interested in… pH Meter (Electronic – Waterproof) $90.00 $35.00You Save: $55.00 (61.1%) Add to Cart ORP Meter (-1999 ~ 1999 mv range) Electronic $99.00 $39.00You Save: $60.00 (60.6%) Add to Cart Cart Totals Subtotal $119.00 Total $119.00 Proceed to Checkout