... SMT, 0.2 grade designed CE Multi Channels , pressure indicator Universal or single signal inputSize: 72*72*105mmRs232 rs485 communicationMAX ... relay ouputRS232 printing KH105-F is high quality Multi-Channel Indicator (72x72x105mm, up to 4 channels), used the advanced SMT ... accuracy: +-(0.2FS%+1) digit.dual windows, 4 digit, 7 segments LED displaySingle or universal signal input( RTD, T/C , mA, ...