SEAWARD Key Features ■ True 4 wire measurement eliminates lead resistance errors ■ 6 push button ranges 40mQ - 4kQ with long scale length ■ 10|jQ resolution on 40mQ range ■ Input protection up to 415Vrms ■ Zero control thermal E.M.F. compensation ■ Digital calibration ■ Mains/rechargeable battery operation ■ Open circuit lead warning ■ Rugged industrial maintenance free design ■ Universal mains supply 100/200/ 220/240V +10% - 13% Ideal For ■ Aerospace ■ Drivers and electrical machines ■ Military ■ Manufacturing ■ Utilities, electrical, water and gas DO4A Rugged, portable digital ohmmeter with 415V protection, digital calibration and 4,000 count The DO4A is a practical instrument for low resistance measurement, ideal for use in the workshop, field or test facilities. It is of rugged construction contained in an aluminium case with tilt handle. The DO4A has many advanced features, including protection up to 415Vrms, digital calibration and long scale length (4,000 count). The rechargeable sealed lead acid battery means real portability with more than 14 hours continuous operation. Full measurement capability is maintained while charging. For ease of operation the control functions have been kept to a minimum and are clearly marked. It is of course direct reading, warning LEDs illuminate when an open circuit lead condition is detected. Over range and low battery indication is also provided. The DO4A is supplied ready for immediate use with battery, mains cord and measuring leads, no extras are normally necessary. The 15mm LCD provides easy viewing and the instrument can be used in any position for many and varied applications. The test leads provided have a length of 1m with spade tags for connection to the ohmmeter terminals. They are terminated in combined current and potential probes that will accept conductor diameters up to 6mm. www.seaward.co.uk/DO4A For USA, Canada and Mexico enquiries Tel: +1 (813) 886 - 2775 For all other enquiries Tel: +44 (0) 191 587 8741 Email: [email protected]

Dimensions 15 x 250 x 88mm / 0.5 x 9.8 x 3.5” (w x d x h) approx 1/2 19” rack 2U high 467 x 374 x 216mm / 18 x 15 x 8.5” (w x d x h) packed in carton Mass 3.5kg / 8lbs approx. 4.5kg / 10lbs packed in carton Working Temperature 0 to +40°C re. humidity 80% max. non-condensing Storage Temperature -20 to +50°C Services 1 year warranty (subject to product registration with Seaward. Visit www.seaward.co.uk/register-product) Service and calibration by Calibrationhouse. Go to www.calibrationhouse.com for more information. Part Number 930127 www.seaward.co.uk/DO4A For USA, Canada and Mexico enquiries...