Zhejiang, China
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year of establishment:
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Temperaturregler, Temperatursensor, Thermometer Hersteller / Lieferant in China, Bietet Qualität Tisch-Art-Feuchtigkeit und Thermometer (HTC-1), Xmtg-808 Digital Pid Temperatursteuereinheit mit CER, RoHS ..., Bildschirmanzeige-Temperatursteuereinheit der ... und so weiter.

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 Cj Xmtg-808 LED Display Pid Temperature Controller mit All Signal Input für Oven

Cj Xmtg-808 LED Display Pid Temperature Controller mit All Signal Input für Oven

Holen Lates Preis
MOQ / Referenz FOB Preis
1 Stück US $16.18 - 64.38  / Stück
Zahlungsbedingungen: LC, T / T, Western Union, PayPal
Hafen: Ningbo, China
Produktionskapazität: 100000PCS/Year

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Basis Info

Modell Nr..
RoHS , UL , ISO 9001 , CE

Zusätzliche Informationen.



Technical standard
1.1,Input and range(one meter can be compatible):
(1)  Thermal couple:K(-50~1300°C),S(-50~+1700°C),T(-200~+350°C),E(0~800°C), J(0~1000°C),B(0~1800°C),N(0~1300°C),WRe(0~2300°C)
(2)  Thermal resistance:CU50(-50~150°C),PT100(-20~600°C);
(3)  Linearity voltage:0~5V,1~5V,0~1V,0~100mV,0~20mV;
(4)  Linearity current(with diffluent resistance):0~10mA,0~20mA,4~20mA
(5)  Linearity input: -1999~+9999 (user freely setting)
(1) Input by thermal resistance , linearity voltage and linearity current 0.5F•S+1
(2) Thermocouple input adopt copper resistance or freezing compensate cold end 0.5 F•S +1;
(3) Although the meter can measure B,S,WRE during the temperature 0~600°C,its measurement could not reach 0.5 class;
(4) differentiate rate:1,0.1;
1.3,response time: ≤0.5s (filter parameter sets 0)
1.4,Adjusting mode:
(1) ON/OFF control method(Return difference can be adjusted);
(2) Common PID control(with the parameter of self-setting function)
(3) Intelligence adjustment(including vague PID adjustment and advanced control algorithm with the parameter of self-setting function);
1.5,Output specification:it make out directly output parameter modularity or without modularity:
(1) The switch of relay contact point output(open+ closed):250VAC/7A or 30VDC/10A;
(2) SSR voltage:12VDC/30mA(apply for driving SSR relay);
(3) Contact point output with controllable silicon: can contact 5~500A two directions controllable silicon;2 separate directions controllable silicon opposite direction parallel.
(4) Liner electric current output: initial current and terminal current value can be defined when the output is 0~24mA(voltage range 11~23VDC);
Support RS485communication mode,adopt AIBUS communication agreement,and baud rate support the below selection :1200bps,4800bps,7200bps,9600bps
Support two passive contact output,relay contact 250VAC/7A;It has four methods including upper limit, lower limit, positive deviation ,negative deviation .It can output 2 ways at most;
1.8,Tolerance for pressure when it is segregated:Between electric power ,relay's contact and signal's end ,do 2000V pressure tolerance test 1s,there is no abnormal phenomenon;
1.9,Movement with hand: Automatic /Manual;
1.10, Power supply:
(1) 85V-242VAC,50-60HZ;power consumption ≤4W
(2) 24VDC/AC power consumption≤4W ;
(3) 220VAC±10% 50HZ;power consumption≤4W
1.11,working circumstance :
Environment temperature:0~50°C,humidity ≤85%,no corrode and strong electromagnetism disturb;
1.12,Product authentication:
XMT*-808 series temperature meter acquire CE authentication and ROHS Environmental Protection authentication.
Product code
XMT  ___      8   ___   8   ____
         ( 1)     (2)   (3)  (4)   (5)
1. The surface dimension
Blank: 160×80×120    Installation hole 152×76
      A: 96×96×110      Installation hole 92×92
      D:72×72×110       Installation hole 68×68 
      E: 48×96×110      Installation hole 44×92 
      F:96×48×110       Installation hole 92×44 
      S:80×160×120     Installation hole 76×156
      G:48×48×110      Installation hole 44×44   
2. Control Mode: '8' four key set, two row LED display,,fuzzy control.
3. Additional alarm: '0' no alarm ;     '1' one group alarm ; '3' two group alarms; ' 5' voice alarm
4. Signal input type '8' freely exchange signal
5. Suffix
   Main control output method
   'Blank' : relays open and closed contact output
   'A' : Single-phase over-zero spark pulse                  
   'A3' :Three-phase over-zero spark pulse;
          BSingle-phase shift-phase spark pulse                  
   'B3' : Three-phase shift-phase spark pulse
   'C' : 010mA or 420mA constant electric current output     
   'E' : Linearity voltage output
   'G' : ON/OFF solid state relaySSRadjustment output
Auxiliary ways
   'K' : with RS485 or RS232 communication module interface   
   'Wt': with micro-printer output signal
   'V' : DC24VDC12VDC5V output  
   'P' : 30 segment program
Parameter function description(Meter's input ,output, alarm and control method can be defined by parameter.)
CodeMeaningDescriptionSetting rangeEx-Factory 
ALM1High limit alarmWhen the measured value more than ALM1+Hy, the meter have upper limit alarm. When the 
measured value less than ALM1-Hy, the meter will free from the upper limit alarm. Set the 
ALM1 =9999 can avoid come into being alarm function.    
-1999~+9999C or 1 unit9999C
ALM2Low limit alarm When the measured value less than ALM2-Hy, the meter have lower limit alarm. When the 
measured value more than ALM2+Hy, the meter will free from the lower limit alarm. Set the 
ALM2=-1999 can avoid come into being alarm function
The same as above1999C
Hy-1Positive deviation alarm When the deviation (PV-SV)> Hy-1+Hy, the meter have positive deviation alarm. When the 
deviation less than Hy-1-Hy, the meter will free from the positive deviation alarm. If set the 
Hy-1=9999 (temperature is 999.9C),the alarm will be cancelled. When use ON/OFF 
adjustment, Hy-1 and Hy-2 are the second upper limit and lower limit absolute value alarm..
or 0~9999C
1 unit
Hy-2Negative deviation alarm  When the negative deviation(SV-PV)>Hy-2+Hy, the meter have negative deviation alarm. 
When the negative deviation(SV-PV)
The same as above9999C
HyDead band Hy is set to permits protection of position control output from high switching frequencies 
caused by process input fluctuation.
If the meter use ON/OFF adjustment or parameter setting itself , provided appointed value 
SV is 700C, Hy is 0.5C, by reaction adjustment (heating control)
(1)Output is switch on , when the measure temperature value is more than 700.5C, 
the (SV+Hy) will close.
(2)Output is switch off, when the measure temperature less than 699.5C (SV-Hy), 
switch on again and heating.
or 0-2000C
AtPID Control methodAt=0, ON/OFF control, suitable for the application which don't need high precision.
At=1, artificial intelligence control / PID control, allow to set the auto tuning function 
from front panel.
At=2, startup auto tuning function, after auto tuning finish, it will set 3.
At=3, artificial intelligence control. After auto tuning finish, the meter automatism enter 
into this set, this setting don't allow to set from front panel.
IHold parameterI, P, D, t these parameter are for artificial intelligence control algorithm, 
but no for ON/OFF control mode (At=0). 
I is defined as measurement variation after output is changed. Generally I parameter of 
the same system will changes with measurement value, and so I parameter should be 
configured with process value around operation point.
For example: take temperature control of electric furnace, operating point is 700C, to find 
optimum I parameter, assuming that when out remains 50%, the temperature of electric 
will finally be stabilized around 700C, and when output changes to 55%, the temperature 
will final be at around 750C. The I (optimum parameter)=750-700=50.0 (C)
I parameter mainly determines the degree of integral function, similar as integral time of 
PID control. When the I smaller, the calculus function strong. When the I larger,
 the calculus function weaken (calculus time add). When I=0, the system will cancel 
the calculus function and artificial intelligence adjustment function, the instrument will
 turn to an PD adjustment.
or 0-9999
PRating parameterP is in reverse proportion to measurement variations caused by output changes by 100%
 in one sec..
When At=1 or 3, then P=1000÷measurement elevatory  value per sec. , the unit is 0.1C or 
1 defined unit.
Example: the instrument use 100% power to heat and there is no heat loss, electric cooker 
1C each sec., then P=1000÷10=100. P like PID instrument's proportion area, but diversification
 is reverse. P↑, the proportion and differential function↑, if P↓, the proportion and differential 
function↓. P parameter and calculus function have no relation. Set P=0 corresponds to P=0.5
dLag time Parameter "d" is applied as one of the important parameters of XMT808 artificial intelligence 
control algorithm. "d" is defined as follows: time needed for a electric furnace from the beginning 
of elevating temperature to get to 63.5% against the final speed of temperature elevating, provided 
there is no heat loss. The unit of parameter "d" is second.
For industrial control, hysteresis effect of the controlled process is an important factor impairing 
control effect. The longer is system lag time, the more difficult to get ideal control effect. Lag time 
parameter "d" is a new introduce important parameter for XMT808 artificial intelligence algorithm.
 XMT808 series instrument can use parameter "d" to do fuzzy calculation, and therefore overshoot 
and hunting do not easily occurs and the control have the best responsibility at the time.
Parameter "d" gives effect on proportion, integral and differential function. Decreasing 
parameter "d" will strengthen proportional and integral function and weaken differential function, 
with the extent of strengthening greater than that of weakening. And therefore as a whole 
decreasing "d" will strengthen feedback function. If d≤T, derivative function of system will be 
tOutput period Parameter can be set between 0.5 to 125s (0 means 0.5s). It represent the instrument of the 
calculate speed. When t↑, the proportion function↑, differential function↓. When t↓, the proportion
 function↓, differential function↑. When t≥5s, differential function is absolutely eliminated, then the 
system is a proportional or proportional-calculus adjustment. If the t less than 1/5 of its lag time,
 the change is very small influence to control. If d=100, the t set 0.5 or 10s the control effect basic 
is same.
(1)it is insignificant when ON/OFF control ;
(2)Relay output:'t'usually be set 10s upwards,other output method be set 1~2s;output is relay 
output, the shorter the time, the better the control effect ,but it will affect the relay's 
Snspecification Input  Sn Input specification:0-37
SnInput spec.SnInput spec.
8-9special thermocouple10Client appointed to increase input specification 
11-19special thermocouple20CU50
21PT10022-25Special thermal resistance
260-80Ωresistance input270-400Ωresistance input
280-20mV voltage input290-100mV voltage input
300-60mV voltage input310-1V(0-500mV)
320.2-1V voltage input331-5V voltage input or
4-20mA current input
340-5V voltage input35-20-+20mV(0-10V)
36-100-+100mV or 2-20V voltage input)37-5V-+5V(0-50V)
dPDecimal point positionWhen it is linearity input: parameter dP is used to define decimal point place according to users' habit
dP=0, display pattern is 0000, decimal point not displayed
dP=1, display pattern is 000.0, decimal point is at ten's place
dP=2, display pattern is 00.00, decimal point is at hundred's place
dP=3, display pattern is 0.000, decimal point is at thousand's place
In case of thermocouple or RTD input: dP is used to define temperature display resolution


dP=0, temperature display resolution is 1C
dP=1, temperature display resolution is 0.1C
Adjustment of this parameter only affects the display, and gives no effect on control precision or measurement precision


P-SLInput lower limit(1) When the linearity input define single lower limit value, external appointed, output display.
For example: a pressure transmitter is used to convert pressure signal ( temperature, flow and humidity signals also possible) to standard 1-5V input (4-20mA can external contact 250Ωresistance to change). 1V signal pressure is 0, 5V signal pressure is 1mPa, if want the instrument display is 0.001mPa. the parameter can be set as the following:
Sn=33 (select 1-5V linearity voltage input)
dP=3 (set decimal point, display 0.000)
P-SL=0.000 (define the pressure display value when the  input lower limit 1V)
P-SH=1.000(define the pressure display value when the input upper limit 5V)
(2) When the thermal resistance, thermocouple input defining lower limit appointed value.
P-SHInput upper limitWhen the linearity input defining single upper limit value, use with P-SL .The same as above2000
PbInput shiftParameter Pb is used to make input shift to compensate the error produced by sensor or input signal itself. For thermocouple input, parameter Pb is used to correct reference junction compensation error.  -199.9~
oP-AOutput modeOp-A denote output signal mode, and must conform to the module type installed as main output. 
Op-A=0, the mode of main output is time-proportional output (for artificial intelligence control) or ON/OFF mode (for ON/OFF control). If output modules such as SSR voltage output or relay contact discrete output, it should set Op-A=0.
Op-A=1, any specification linear current continuum output,
Op-A=2, time proportional output
outLOutput lower limit Restrain minimum value of adjust output 0-110%0
outHOutput upper limitRestrain maximum value of adjust output. 0-110%100
AL-P used to define ALM1, ALM2, Hy-1 and Hy-2 alarm output locality. Its function is determined by the following formula:
AL-P= A x 1 + B x 2 + C x 4 + D x 8 + E x 16
If A=0, then upper limit alarm by the relay2 output
If A=1, then upper limit alarm by the relay1 output
If B=0, then lower limit alarm by the relay2 output
If B=1, then lower limit alarm by the relay 1output
If C=0, then positive deviation alarm by the relay 2output
If C=1, then positive deviation alarm by the relay1output


If D=0, then negative deviation alarm by the relay 2 output
If D=1, then negative deviation alarm by the relay 1output
If E=0, then alarm types, such as "ALM1" and "ALM2" will be displayed alternately in the lower display window when alarm occurs.
For example: If it need that the upper limit alarm by the alarm1 relay output, lower limit alarm\positive deviation alarm and negative deviation alarm by alarm2output, when alarm occurs no alarm type display in the lower display window. Then we reach a conclusion: A=1\B=0\C=0\D=0\E=1, and parameter "AL-P" should be configured to: 
AL-P= 1x1+0x2+0x4+0x8+1x16=17


CooLSystem functionCOOL is used to select some system function: 
  A=0, reaction control mode, if the input increase, the output will diminishment like heating control.;
  A=1, direct action control mode, if input increase, output will increase like cooling control.
B=0, without the function of alarm while at the power on or SV change 
B=1, have the alarm function while the power on and when the SV change have no alarm function.
When the instrument have RS485 , Addr can be configured the ranged of 0 to256 In the same communication line's instruments, every one need have a different address.0-2560
Baud rete
When the instrument have communication interface, parameter bAud is communication baud rate, the range is 300-19200bit/s(19.2K).-9600
input filter
  When the FILt value set large, the measurement value is stabilized but the response time is longer..0-200
A-M is define manual / automatic control state 
A-M=0, manual control state
A-M=1, automatic control state
A-M=2, automatic control state, in this state manual operation is prohibited. When the manual function is not required, it can avoid entering manual state due to operator's false operating.
If use the RS485 to control the instrument, the transfer of automatic/manual status can be carry out by adjusting parameter A-M from computer.
LocKlockLock=0, can set locale parameter and SV. 
Lock=1, can display and view the locale parameter, but don't to modification. The SV can set.
Lock=2, can display and view the locale parameter, but the locale parameter and SV all cannot modification.
Lock=808, all the parameter and SV can set.
When the Lock is set other values except 808, then only locale parameter the range of 0 to 8 r and parameter Lock itself can be display and set. 
Field parameter
When configuration of the instrument is completed, most parameters will not need to be locale operators. Furthermore, locale operators may not understand many parameters, and may probably set parameters incorrectly by mistake and make the instrument unable to work.
EP1-EP8 defines 1-8 locale parameters for operators' user in parameter table. Their parameter values are parameters except parameter EP itself like ALM1\ALM2, etc. When LOCK=0,1,2 and so on, only be defined parameter can display, other parameters can not be displayed and modified. This function can speed up the parameter modification and prevent important parameters (like input, output parameters) from modifying falsely.
Parameter EP1-EP8 can define 8 locale parameters at most, if the number of locale parameters is less than 8 (sometimes even none), it is necessary to define useful parameters from EP1-EP8 in order, the first parameter which are not used is defined as none. For example, two parameters of ALM1 and ALM2 are need to be modified by locale operators, the parameter EP can be set as follows: 
Sometimes locale parameters are not needed after we finish adjusting the instrument, we can set EP1 parameter an nonE

Common fault handling
fault symptomanalysis of causesDisposal  measurement
Abnormal power(blank screen)1,poor contact of power cord 
2,power switch without lose
Check the power
Signal display do not correlate with the facts.(display "orAL")1,Wrong setting of input specification(Sn)
2,Wrong signal connection.
3,Sensor break down
4,Input measurement signal exceed range
1,check input specification
2,check signal wire
3,check the sensor
4,check input signal
Abnormal alarm output1,incorrect alarm defination parameter setting1,set alarm definition parameter value again.
Abnormal PID outputIncorrect PID parameter setting,such as proportion,integral,differential parameter and so on.Turn on setting itself again
Company NameYuyao Gongyi Meter Co.,Ltd.
Contact NameCheryl
ADDNo.9 Changqing Road,Yuyao City,Zhejiang Province

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