I. Overview ZHY300A1 series digital pressure gauge for the whole electronic structure, battery-powered, easy on-site installation. Front-end high-precision piezoresistive pressure sensor, the output signal from the high-precision, low temperature drift amplifier processed into high-precision A / D converter, converted into digital signals can be processed by the microprocessor, after operation processing, by LCD display shows the actual pressure value. The intelligent digital pressure gauge flexible, easy to operate, easy to debug, safe and reliable. Widely used in water and electricity, water, petroleum, chemical, mechanical, hydraulic and other industries, the pressure of the fluid medium to be measured is displayed. Second, the characteristics ◆ Large-screen LCD display, high resolution, ignoring the value of the error. ◆ peak hold function, record measurements The maximum pressure value during the percentage of dynamic display ◆ pressure, (the progress bar shows) ◆ select five kinds of engineering units: psi, bar, kpa, kg / c㎡ Mpa ◆ Select 1 ~ 15min automatic shutdown. ◆ micro-power, the power-saving mode can work for more than two years of continuous work 2000 hours. ◆ parameter correction, live instrumentation capable of zero, error correction values ??define the upper and lower range ◆ ◆ Sampling rate: Pressure 1/3 seconds ◆ for various gases and liquids compatible with stainless steel measuring three technical parameters: Measuring range 1MPa accuracy class 0.5% 200% overload pressure type gauge the stability of ≤0.1% / year 9VDC battery voltage display LCd display range -1999 to 9999 Ambient temperature -20 ℃ ~ 70 ℃ Relative humidity ≤80% mounting thread M20 * 1.5 interface Stainless steel four or five dimensions, installation ZHY300A1 by pressure fittings (M20 * 1.5) (other sizes available connectors when ordering), directly mounted on the hydraulic piping. In critical applications (such as severe vibration or shock), pressure fittings can be carried out by micro-mechanical decoupling hose NOTE: Range must be mounted vertically 100KPa less than six, operating instructions:. ◆ open, shut down: press "ON / OFF "button ◆ Unit switch: Press" ON / OFF "button ◆ Peak cleared: Press" ZERO "key ◆ Display cleared: Press" ZERO "key (Note: This feature is only in the absence of stress state use) ◆ Auto power off time setting: Press the "ZERO" "ON / OFF", pay the screen "LOCK", enter 1000 (short press "ZERO" to modify the current value flashes, press Shift), press the "ON / OFF "key to confirm payment screen offt, the current value of the revised to require automatic shutdown time, press" ON / OFF "button to confirm exit. 00- continuous work. 01 to 15 for the automatic shutdown time. Seven of Use: storage and use of appropriate instruments at an ambient temperature of -20 ℃ ~ 70 ℃, humidity less than 80% now on the occasion meter connector connecting pipeline should be in service level as concentric use 9V alkaline battery replacement. battery. Eight, Ordering Information: Ordering should indicate the range, accuracy class, interface size nine, warranty users in compliance with the use and protection of the rule conditions, the instrument from the factory of the company from the date one year after the one year warranty repairs. The company always welcome customers letter calls advice and recommendations. We will not name those low price but sell inferior products business price. We bring to you is absolutely assured. We have no profits, just get a reasonable profit. Reasonable price to ensure that we not only provide you with great value upon receipt of a surprise for you to create a sincere and quality service! ! ! Constant --------- Baoji Instrument Co. sales hotline: 0917-3135003 18091700958 Advisory QQ: 3146470539