Vision Electric Meters Vision Meters Brand new Vision electric meters. Smart Grid Products Smart Grid Products Vision Metering offers several solutions for AMI. Refurbished Electric Meters Refurbished Electric Meters Refurbished mechanical and solid state electric meters Refurbished Gas Meters Refurbished Gas Meters Refurbished American and Rockwell meters. Sentry Products Sentry Products Handheld ERT Readers, Optical Probes, Isolation Relays, etc. Meter Accessories Meter Accessories Replacement covers, meter crates, sealing rings, batteries, etc.