Perusahaan ini terdaftar sebagai Free Member. Hindari melakukan pembayaran sebelum bertemu penjual atau melihat barang secara langsung. COD (Cash On Delivery) atau bertemu langsung dengan penjual merupakan metode transaksi aman yang kami sarankan.
WATER LEVEL INDICATOR The following two models are drum mounted with on / off indicator. A light and audible signal are activated when the probe touches the water. Battery operated, the cable is marked at metre intervals. Type WA- 300 Water Level Indicator, Visual and sonic, 25 metre cable marked at metre intervals. Type WA- 400 Water Level Indicator, Visual and sonic, 50 metre cable marked at metre intervals. Type WA- 500 Water Level Indicator, Visual and sonic, 100 metre cable marked at metre intervals. Simple and economic measurement of groundwater are used to monitor water levels. Observation wells are used to monitor ground water levels. Water level readings are typically obtained with a water level indicator. Feature ª Strong material cable, ª Easy electronics removal / battery replacement, ª Small probe ª Sensitivity adjustment. Advantage : ª Economical components ª Simple to install ª Long-term reliability Function : Measuring the elevation of groundwater. ( The specification can be changed without prior notice for upgrade.)
