Apt8000 series is a digital pressure transmitter designed for industrial pressure measurement applications. The apt8000 offer configurations for gauge pressure, absolute pressure and vacuum including integrated solutions for industrial applications. Features Updating time of output current in 90 ms Improved performance, increased accuracy, greater stability Two years stability of 0.15% 0.075% accuracy Parameter setting by local keypad or rs485 communication port 4-20 ma output plus direct digital hart communication Automatic zero calibration by press button Explosion proof and weather proof housing Specification Process fluid:liquid, gas or vapor Application:absolute pressure, gauge pressure, vacuum Measuring range: 0 - 10 kpa ~ 0 - 30 kpa ( minimum ) 0 - 7 mpa ~ 0 - 32 mpa ( maximum ) Accuracy:+/- 0.075% of span Working temperature:-25 to +95 deg.C Max. Pressure:32 mpa Display:4 digits programmable & 0-100% bargraph Power supply:13 ~ 38 vdc Digital communication:hart protocol, rs485 Response time:90 ms Mounting:direct instrallation or bracket on 2'' pipe Dimensions:104 mm ( w ) * 158 mm ( h ) * 110 mm ( d ) Weight:1.2 kg Enclosure: Ip67 ( standard ) Intrinsically safe eex ia iic t5 ( standard ) Explosion proof ex d iib t5 Standard