WTX-6610 series

Welltech Automation WTX-6610 series digital display instrument

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  • Model ： WTX-6610 series
  • Category： Digital Thermometer
  • Brand ： Welltech
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  • Manufacturer： Welltech

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WTX-6610 series liquid crystal heat (cold) totalizing recorder (matching type) is a product designed mainly to solve boiler automatic control,air conditioning metering,and improve flow measurement accuracy. It uses a 32-bit ARM microprocessor as the core and is equipped with Full-featured secondary instrument with high-speed AD and large-capacity memory. The instrument fully adopts surface mounting technology and adopts multiple protection and isolation designs,which has strong anti-interference ability and high reliability. The enthalpy value can be calculated in real time based on the inlet and outlet temperature values. It is suitable for process monitoring of air conditioning cooling/heat and total accumulation control. It can be used with a variety of flow sensors. The instrument also has good anti-theft,anti-power-down and other performance characteristics.
Technical Parameters:

model

WTX-6610Series LCD heat (cold) volume totalizing recorder (matching type)

input signal

Current: 0 ~ 20mA,0 ~ 10mA,4 ~ 20mA
Input impedance: ≤100Ω
Maximum input current limit: ≤30mA

Voltage: 0 ~ 5V,1 ~ 5V,0 ~ 10V (special customization),0 ~ 20mV,0 ~ 100mV
Input impedance: ≥500KΩ

Thermal resistance: Pt100,Cu50,Cu53,Cu100,BA1,BA2

Linear resistance: 0 ~ 400Ω

Thermocouple: B,S,K,E,T,J,R,N,F2,Wre3-25,Wre5-26

Frequency signal: Range: 0 ~ 10KHz,waveform: rectangular,sine wave,square wave

output signal

Analog output: 4 ~ 20mA (load resistance ≤ 480Ω)
0 ~ 20mA(Load resistance ≤ 480Ω)
0 ~ 10mA(Load resistance ≤960Ω)
1 ~ 5V(Load resistance ≥250KΩ)
0 ~ 5V(Load resistance ≥250KΩ)
0 ~ 10V(Load resistance ≥ 4KΩ) (special customization)

Alarm output: Relay control output: AC220V/2A,DC24V/2A (resistive load)

Feed output: DC24V±1,load current ≤50mA

Communication output: RS485/RS232 communication interface
baud rate1200 ~ 9600bpsCan be set
Adopt standardsMODBUS RTUProtocol
RS-485Communication distance up to 1 km
RS-232Communication distance up to: 15 meters

measurement accuracy

0.2%FS±1d

Setting method

Panel touch button setting,parameter setting value password lock,setting value permanently saved when power off

Display method

Backlit 3.5-inch 128*64 high-resolution dot matrix white screen and black text LCD screen
The display content can be composed of characters,numbers,process curves,bar graphs,etc.
Through the panel buttons,you can turn the screen page,search the historical data before and after,the curve time scale,etc.

Logging interval

Nine speeds are available: 1,2,4,6,15,30,60,120 and 240 seconds.

Storage length

3 days (when the interval is 1 second) ~ 720 days (when the interval is 240 seconds)

Print control

The printing interface is RS-232C and can be directly connected to the SP-A40SH series serial printer

Usage environment

Ambient temperature: 0 ~ +50℃; Relative humidity: ≤85%RH; Avoid strong corrosive gases

Working power supply

Switching power supply: AC 100 ~ 240V,50 ~ 60Hz,DC 20 ~ 29V

Power consumption

≤5W

structure

Standard snap-in

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