Brief introduction
ACF-1PHKB and ACF-1PHPZ wireless integrated smart balance orifice flow meter and wireless integrated smart balance nozzle flow meter adds the balance holes around the orifice plate and nozzle, which greatly reduce the eddy current, vibration and signal noise, obviously improve the flow stability. It makes the linearity and repeatability precision get huge improved and better measuring effect when small flow through, which expands the orifice plate and nozzle flow meter measure range. The rectifying effect of balance orifice shortens the length requirement of the straight pipe before and after the orifice and nozzle, which reduces the on-site installation requirements, also reduce the permanent pressure loss of the system. Balanced flow meter can measure the flow rate of liquid, steam and gas. It is widely used in petroleum, chemical industry, metallurgy, power, light industry, etc. 

 

 

Measure theory
When fluid filled with pipe flow through the orifice, the flow will form local contraction at the throttling area of the orifice to accelerate the flow and reduce the static pressure, then there will be pressure drop also called differential pressure before and after the standard orifice. The bigger of the medium flow rate, the bigger of the differential pressure, so we can measure the flow rate by measuring the differential pressure. This measuring method is on the theory of law of conservation of mass and law of conservation of energy. 
Products patents:
Utility Model Patent Certificate:
①ZL2008 2 0028605.1  《digital instrument button and display device》
②ZL 2012 2 0299081.6 《wireless integrated static and differential pressure detect device》
③ZL2009 2 0062360.9  《micro power consumption and low pressure drop sensor constant current drive circuit》
④ZL 2011 2 0549792.X 《wireless integrated multi-parameter differential pressure flow meter》
⑤ZL 2013 2 0529448.3 《wireless integrated multi-parameter differential pressure flow instrument gauge》
Patent for industrial design:
⑥ZL 2013 3 0412222.0  《instrument gauge》
Features
- a wide range of flow measurement, range ratio greater than 10:1;
- suitable for measuring relatively clean medium, high measuring precision, good repeatability;
- circular arc form design, good abrasion resistance, flow stability, can measure liquid, gas, steam and smudgy medium;
- straight pipe required low, small pressure loss, suitable for trade measurement and gas station measurement;
- high and low temperature resistance, resistance to high pressure, measurable gas, liquid and steam, the applicable scope is wide;
- show the cumulative flow and transient flow, pressure, temperature at the same time;
Technique Data:
Nominal Diameter: DN20～DN1000
Dominal Pressure: （0～32）MPa
Medium Temperature: （-50～700）℃
System Accuracy: 0.5/1/1.5/2/3
Max Range to Min Range: (10~15) :1
Straight Pipe: 3DN in front and 2DN behind
Connection Type: Flange clamping type/Pipe welding type/wireless integrated embedded type
Operating Temperature: -30℃～70℃
Power Supply Mode: build-in 3.6V lithium battery or 7~30VDC
Output Signal: 4-20mA DC or RS485
Protection Degree: IP65
Exdl: ExdllCT6
Wireless technique:
1. Wireless spectrum: ISM（2.4~2.5）GHz（IEEE 802.15.4 DSSS）
2.  Wireless authentication:   a. Zigbee：FCC ID: MCQ-XBS2C，IC: 1846A-XBS2C
　　                            b. WirelessHART：IEC 62591 HART，GB/T 29910.1～6-2013  HART
3.  Wireless protocol: a. Zigbee：Zigbee 2007
                      b. WirelessHART：IEC62591
4.   Receive sensitivity: a. ZigBee：-100dBm
                      b. WirelessHART：-95dBm
5.   Transmit power: 8dBm（6.3mW）
6.   Transmission distance: 300m 800m
7.   Network security: AES-128 encryption algorithm, the network authentication and authorization
8.   Immunity ability:  automatic frequency hopping technology
Dimension:
Selection mode: