Why-Winters
Modular functional design, practically for a variety of applications.
No moving parts in the tube, No wear and tear.
Easy to choose, easy to install, Maintenance-free and very low operating costs.
High corrosive resistance; solid and reliable.
Up to 400: 1 turndown ratio
Easily achieve the positive cumulative flow, Reverse Cumulative and Difference Calculation.
Built-in reference electrode, fully guarantee the stability of measurement.
A variety of IP protection and installation methods, can be install for continuous immersion in water.
Adopt EEPROM memory to measure operation data, safe and reliable protection of memory.
Environmental protection and water treatment.
Municipal water supply.
HVAC Industry
Food & Beverage and Pharmaceutical.
Oil & Gas/ Petrochemical
Fine Chemical
Ambient temperature : -25 - 60 ° C
Relative humidity : 5% to 90%
Power supply : Single-phase AC power supply (85 ~ 250) V/ (45 ~ 63) Hz
DC power supply 16VDC ~ 36VDC
Power consumption : less than 20W
Measurement accuracy：LMF11/LMF11B: 土0.2%,0.5%; LMF12: 土0.5%; LMF13: 土0.5%; LMF14/LMF14B: 土1.5%3.
Output variables
1 Analog current output
• Load resistance : (0-10) mA, (0 -1.5) k Ω, (4-20) mA, (0-750)Ω。
• Basic error : 0.1% ± 10μ A,
2 Digital frequency output
• Frequency output range : (1 ~ 5000) Hz
• Output Electrical Isolation : Opto-isolated, isolated voltage> 1000V
• Frequency output drive : FET output, the maximum withstand voltage 36VDC, the maximum load current of 250mA
3 Digital pulse output
• Output pulse range: (0-100) pulse / sec <higher than the upper elbow, will lose pulse>
• Output pulse equivalent: (0.001-1.000) m³ / cp,
(0.001-1.000) LTR /cp,
(0.001-1.000) USG /cp,
(0.001-1.000) UKG /cp ;
Output pulse width : User software settings;
Output Electrical Isolation : Opto-isolated, isolated voltage> 1000V
Pulse output drive : FET output, the maximum withstand voltage
36VDC, the maximum load current of 250mA
4 Alarm output
• Alarm output contact : ALMH - upper limit alarm: ALML - lower limit alarm
• Output Electrical Isolation : Opto-isolated, isolated voltage> 1000V
• Alarm output drive : transistor output, the maximum withstand voltage of 36V, the maximum load current of 250mA
5 Digital communication interface and communication protocol:
• MODBUS interface • RTU format
• Physical interface RS-485
• Electrical isolation 1000V
• HART interface: support standard HART protocol, configure the HART Communicator, can display the measured value online, and modify the instrument parameters
