SD 305 Series
Waterproof (IP67) handheld meters for pH/redox, conductivity/TDS/salinity, and dissolved oxygen.
- Genuine, authorised-distributor stock
- Full manufacturer warranty & support
- Calibration & traceability available
About the SD 305 Series
Rugged, IP67 water-resistant handheld meters for field use, with PC interface options (USB/serial or analog) and automatic buffer detection on the pH model.
SD 305 Series specifications
| SD305 pH/ORP, instrument only (724630) | pH -2 to 16; Redox -2000.0 to 2000.0 mV; Temp -5 to 150°C |
|---|---|
| SD305 pH/ORP Set 1 (724640) / Set 2 (724641) / Set 3 (724642) | pH -2 to 16; Redox -1999.9 to 1999.9 mV (Sets 2-3); Temp -5 to 150°C |
| SD315 Oxi, Sets 1-3 (724680 / 724690 / 724695) | O₂ 0-70 mg/L; Saturation 0-600%; Temp 0-50°C |
| SD325 Con, Sets 1-3 (724740 / 724750 / 724760) | Conductivity 0-200/1000/200 mS or µS; Salinity 0-70 g/kg; TDS 0-5000 mg/L |
| Ingress rating | IP67 |
| Applications | Boiler water, cooling water, drinking water, pool water, wastewater |
Specifications are as published by Lovibond. Ask us to confirm the exact variant, range and part number for your application before you order.
SD 305 Series: common questions
Is the SD 305 Series genuine and warranty-backed?
Yes. Measurands is an authorised distributor, so every Lovibond instrument is genuine, carries the full manufacturer warranty and is supported with firmware and service — never a grey-market import.
Can you supply the SD 305 Series to Batam, Bintan or Singapore?
Yes — we supply Lovibond instruments to customers across Singapore, Batam and Bintan. Request a quote with your application and we'll confirm availability, lead time and price.
Can it be supplied calibrated and traceable?
Yes. Through our sister calibration laboratory we can deliver the instrument calibrated with traceable documentation, so it is audit-ready on arrival.
Request a quote for the SD 305 Series
Genuine, warranty-backed— we'll confirm specifications, availability and a competitive price within one business day.
- Authorised distributor — no grey imports
- Calibration & traceability available
- Local Singapore support
Want a quote on the SD 305?
Tell us your application and we'll confirm specs, availability and price.