Check the listing for details. TPS WP-81Z Water pH ORP Conductivity and Temperature Meter. Condition: Used. Listed at 643.40 USD. Industry Surplus Australia is based in Perth, Australia and specialises in surplus goods from the military, mining and medical industries. We proudly stand by our reputation and encourage you to review our Feedback. On offer is a: ORP CONDUCTIVITY METER "For testing pH, Conductivity and Temperature the WP-81 is the go-to choice. You'll get the data you need with options for ORP, TDS and Salinity." Specifications:Condition: UsedType: Portable Conductivity and Temperature MeterMake: TPS AustraliaModel: WP-81ZSerial: 447543Fware: V7.0Measures: pH, mV, Conductivity, TDS, Salinity, TempSensor 1: Conductivity, EC1001, Rev1, Cable: ~1.0mSensor 2: pH, EPBUFN-421 Rev1Accesorries: AC Charger (new)Batts: Internal NiMh RechargeableEnclosure: IP67Weight: 1.0kg Replacement price on this item is approximately AUD$1560 The unit is sold with a 30 Day Warranty. Returns as per Australian Consumer Law. Please contact me if you need technical help, better photos or User Manuals: ......Nevan, Industry Surplus Australia PAYMENT: Preferred method is by Bank Transfer or Credit Card. Credit Cards can be processed over the phone. RETURN POLICY: We are an established Secondhand Dealer who pride ourselves on our service. Should you feel that your item has been misrepresented, contact us immediately and we will resolve the situation to mutual satisfaction.