Its result is read out directly from its meter head with 4-digits LCD display. It is an ideal instrument to examine whether the protective water or inspected water is conforming to the standard or not. The instrument is convenient, accurate, portable and easy to operate, especially for field measurement. Technical Specification: * Measuring range: 10～1990us/cm * Accuracy: ±2% F.S * Resolution: 10 us/cm * Display: 3-digital LCD * Temperature: 0～50℃ * Temperature compensation：0～50℃ * Power supply: DC 4×1.5V(AG13) * Dimension: 150mm(L)×29mm(W)×15mm(H) * Weight: 51g Characteristics:* No need to adjust normally * Easy operation * Reliable and stable * Easy to carry The instrument is widely used in environment-protection, chemical industry, main-water plant, sewage-water processing and laboratories etc. if you have any question about the products, don't hesitate to contact us. We are willing to try our best to make full answer to you, even if you are not our regular customers. Always, we are waiting for your question.