PASSIVE PHOTOELECTRIC DIRECT READING REMOTE WATER METER
Overview
the materials of the producte series comply with the sanitation standard of drinking water measuring instrument materials,and all the performance indexes are reach to the flow rate parameters of the newly published standard ISO4064,Q3:Q1=160,Q2:Q1=1.6,as well as abide by the s tandard technical requirement of JG/T 162-2004 Long range transmission meter reading systeme for residence,CJ/T 188-2004 technical requirement of utility meter data transmission and CJ/T244-2006 Electric remote water meter issued by the ministry of construction
General assembly draing for water meters-Model
water meter assembly is mainly composed of meter case,meter movement,counting device and indication sending device,it has maintained manual reading fuction of traditional water meters and it also owns automatic meter data reading function
their sizes and installtion dimension are the same with traditional water meters,for users ,renewals or new installation ,both are good choices
Features
it designs a new liquid sealed character wheel case with opto electric direct reading recognition sensor without changing the structure of common liquid sealed vane wheel mechanical water meter,the optical –electric direct reading recognition sensor and it’s counting devices as digit rollers don't have mechanical contact,so the measuring accuracy of meter will not be affected
it can imitate human’eyes to view and directly read the indicated value of charcter wheel ,and there is no secondary measuring process of accumulated pulse and conversed value,so there is no accumulated error
it doesn’t need battery inside the meter,and the optical electric direct reading recognition sensor doesn’t work usually,the electricity is supplied by the concentrator or hand –held meter reading devices at reading moment,to avoid the trouble caused by the fault of the battery,so it has strong interference resistance and long service life
the meter sinde is set with address code ,and it complies with this code when reading the meter,which can guarantee the unique and precise data as well as convenient maintenance and management
control device can be installed at the external of the meter according to the requirement(such as the valve etc),to conduct remote control by means of automatic reading master station or hand-held meter reading device,to realize the prepayment of meter
Operation standard
Operation temp:0-30 celius
Nominal pressure:less than 1.0 Mpa
Pressure loss : less htan 0.1Mpa
Electronic technical parameters:
recongition rate :100%
recognition time: less than 800ms
transmission bus:M-bus
Communication protocol:DL/T645,CJ/T188 or tailorized as customer’s self buiding system
working environment :temperature -20 Celius ~55 Celius ,humidity :less than 75%RH
Service life :more than 12 years
