Profile: J W Instruments Ltd. is a supplier of electricity meters. Our product line includes electricity & pre-pay meters, data loggers, and power analyzers. Our single phase A100 meters feature a pulsed output (optional), active & reactive energy measurement, and offer fraud protection. We offer a unique service specifically aimed at sub-metering applications for small to medium sized organizations in the public & private sector. Our P2G is an integrated data logger, GSM modem, and safety isolation unit in a single device. The internal GSM modem provides a reliable means to communicate data by SMS messages as a part of an AMR, energy management, or monitoring system.