Make use of it Detailed description 1. overview The flow totalizer cooperates with the sensor of vortex street and turbine pulse signal to calculate the instantaneous accumulated flow and control it quantitatively. the error is less than 0.2%F.S, and it has the functions of calibration and digital filtering, which can help reduce the error of the sensor. Effectively improve the measurement accuracy of the system Flow sensor suitable for pulse output 7-segment polyline operation function can reduce the nonlinear error of flow sensor Instantaneous flow can be selected by hour or minute 2. Model and specification HHBY-608 overall dimensions: a: 160 (w) × 80 (h) × 125 (l) opening size: b: 152× 76 (mm) panel form: h: horizontal Display mode: cumulative flow 8 bits+instantaneous flow 6 bits input signal: g: standard pulse External power supply: B2: 12VDC/50mA instrument power supply: v0: 220vac power supply 3. Technical specifications 3.1 Basic technical specifications Power source: instruments powered by 85~265V AC: 220 V 10%, power consumption less than 7 VA;   working environment: 0ºC~50ºC, instruments with humidity lower than 90%R.H and wide temperature range should be indicated when ordering. Display range: cumulative 0~999999, decimal point floating, instantaneous 0 ~ 99999, decimal point floating Display color: red maximum counting frequency: 5 KHz Input pulse signal: the instrument with input type 1 is suitable for NPN, PNP, OC gate, voltage pulse 3.2 Technical Specifications of Optional Parts 1. Output control: 1 relay output: contact capacity 220V AC, 3A 2. External power supply It is used to supply power to the sensor. The error between the output value and the nominal value is less than 5%, and the load capacity is greater than 50mA 4. Description of panel and keys Name says clearly show show Window cumulative flow display window displays the total cumulative flow In the parameter setting state, display parameter symbols and parameter values The instantaneous flow display window displays the instantaneous flow value indicator light unit indicator light of quantities Alarm status indicator conduct work When the key is set in the measurement state, press and hold it for more than 2 seconds and enter the setting state without releasing it. In the setting state, when the parameter symbol is displayed, press and hold for more than 2 seconds without releasing to enter the next set of parameters Or return to the measurement state conduct work Key The left key is in the measurement state, and under the condition of zero clearing, Press the key to clear the total accumulation, In the setting state: Call up the original parameter values Move the modification bit the confirm key switches and displays the sub-accumulated flow value (the display mode of sub-accumulated flow value is FX)/ total accumulated flow value in the measurement state In the setting state, store the modified parameter values Pet-name ruby add button to increase the parameter value or change the setting type in the setting state Attending the reduce key to reduce the parameter value or change the setting type in the setting state