PID Temperature Heating & Cooling Control, 1/8 DIN, 2 Alarm & PV transmission output, Current or SSR drive OUT1 & OUT2, 100-240VAC.


Model Number:
Call + 1. 847. 388. 7191

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Standard type PID temperature controllers TK Series realizes more powerful controlling with super high-speed sampling cycle of 50ms and ±0.3% display-accuracy. It supports heating/cooling simultaneous control, automatic/manual control, SSR output/current output selectable function, SSRP output function and communication function. In addition, it covers diverse input sensor support, multi SV setting, high resolution display part and compact size.

Main features
  • Upgrade functions(*)
    *Convenient parameter setting (by DAQMaster)
    - Parameter mask

    Hides unnecessary and seldom used parameters
  • - User parameter group
    Groups usually used parameters to set parameters fast and conveniently
    *Line-up Alarm output3(heating&cooling OUT2
    Relay output model), transmission output 2
    (transmission output model)
  • Super high-speed sampling cycle (10 times faster compared to previous models)
    : 50ms sampling cycle and ±0.3% display-accuracy.
  • Improved visibility with wide display part and high luminance LED
  • High performance controlling with heating/cooling control and automatic/manual control modes.
  • Communication function supported: RS485 (Modbus RTU)
  • Allows parameter setting by USB port of PC.
    : Free download the integrated device management program(DAQMaster)
  • ※Communication converter, sold separately. : SCM-WF48(Wi-Fi to RS485/USB communication converter, availabe soon), SCM-US(USB to Serial converter), SCM-38I(RS-232C to RS485 converter), SCM-US48I(USB to RS485 converter)
  • SSR drive voltage output / Current output selectable.
  • SSRP output (standard/phase/cycle control selectable)
  • Heater burn-out alarm (CT input) (except TK4SP) (※CT, sold separately: CSTC-E80LN, CSTC-E200LN)
  • Multi SV setting fuction (Max. 4) - selectable via digital input terminals.
  • Mounting space saving with compact design.
    : downsized by approx. 38%(60mm) in depth compared to previous models.
  • ※Terminal cover, sold separately: R A -COVER(except TK4N, TK4SP)
  • Multi input / Multi range
  • .


    Series TK4N(†) TK4SP  TK4S  TK4M  TK4W  TK4H TK4L
    Power supply 100-240VAC 50/60Hz
    Allowable voltage range 90 to 110% of rated voltage
    Power consumption Max. 6VA  Max. 8VA
    Display method 7 Segment (PV: red, SV: green), Other display part (green, yellow, red) LED method
    Character size PV(WxH) 4.5x7.2mm 7.0x14.0mm 9.5x20.0mm 8.5x17.0mm 7.0x14.6mm 11.0x22.0mm
    SV(WxH) 3.5x5.8mm 5.0x10.0mm 7.5x15.0mm 6.0x12.0mm 6.0x12.0mm 7.0x14.0mm
    Input type RTD JPt100Ω, DPt100Ω, DPt50Ω, Cu100Ω, Cu50Ω, Nikel 120Ω(6types)
    Thermocouple K, J, E, T, L, N, U, R, S, B, C, G, PLII(13types)
    Analog Voltage: 0-100mV, 0-5V, 1-5V, 0-10V(4types) / Current: 0-20mA, 4-20mA(2types)
    Display accuracy†1 RTD • At room temperature(23°C±5°C): (PV ±0.3% or ±1°C, select the bigger one) ±1digit†1
    • Out of range of room temperature: (PV ±0.5% or ±2°C, select the bigger one) ±1digit
     â€ In case of TK4SP series, ±1°C will be added.
    Analog • At room temperature(23°C±5°C): ±0.3% F.S. ±1digit,  • Out of range of room temperature: ±0.5% F.S. ±1digit
    CT input ±5% F.S. ±1 digit
    Control output Relay OUT1, OUT2: 250VAC 3A 1a
    SSR 11VDC±2V 20mA Max.
    Current DC4-20mA or DC0-20mA selectable(Load 500Ω Max.)
    Alarm output Relay AL1, AL2 Relay: 250VAC 3A 1a
    †TK4N AL2: 250VAC 0.5A 1a(Max.125VA), TK4SP has only AL1.
    Sub output Transmission DC4-20mA (Max. Load 500Ω, Accuracy : ±0.3% F.S.)
    Communication RS485 communication output(Modbus RTU)
    Option input CT 0.0-50.0A(primary heater current value measuring range) †CT ratio = 1/1000 (except TK4SP)
    Digital input • Contact Input: ON-Max. 2kΩ, OFF-Min. 90kΩ
    • Non-contact Input: ON-Residual votage max. 1.0V, OFF-leakage current max. 0.1mA
    • Outflow current : Approx. 0.5mA
    † TK4S/M-1EA(Due to limited terminals), TK4N/H/W/L-2EA(except TK4SP)
    Control type Heating,cooling ON/OFF, P, PI, PD, PID control mode
    Hysteresis • Thermcouples / RTD : 1 to 100°C/°F(0.1 to 100.0°C/°F) variable, Analog : 1 to 100 digit
    Proportional band(P) 0.1 to 999.9°C(0.1 to 999.9%)
    Integral time(l) 0 to 9999 sec.
    Derivative time(D) 0 to 9999 sec.
    Control period(T) 0.1 to 120.0 sec.(†relay output and SSR drive output only)
    Manual reset value 0.0 to 100.0%
    Sampling period 50ms
    Dielectric strength 2000VAC 50/60Hzfor 1min.(between power source terminal and input terminal)
    Vibration 0.75mm amplitude at frequency of 5 to 55Hz(for 1min.) in each of X, Y, Z direction for 2 hours
    Relay life cycle Mechanical OUT1/2: Over 5,000,000 times, AL1/2: Over 20,000,000 times(TK4H/W/L: Over 5,000,000 times)
    Electrical OUT1/2: Over 200,000 times, AL1/2: Over 100,000 times(TK4H/W/L: Over 200,000 times)
    Insulation resistance Min. 100MΩ(at 500VDC megger)
    Noise resistance ±2kV R-phase, S-phase the square wave noise (pulse width: 1us) by the noise simulator
    Memory retention Approx. 10 years(When using non-volatile semiconductor memory type)
    Environment Ambient temperature -10 to 50°C, storage: -20 to 60°C
    Ambient humidity 35 to 85%RH, storage: 35 to 85%RH
    Protection IP65(Front panel) †TK4SP: IP50(Front panel)
    Insulation type Double insulation or reinforced insulation (Mark: §, Dielectric strength between the measuring input part and the power part : 2kV)
    Approval CE, UL
    Weight†2 Approx. 140g
    (Approx. 70g)
    Approx. 130g
    (Approx. 85g)
    Approx. 150g
    (Approx. 105g)
    Approx. 210g
    (Approx. 140g)
    Approx. 211g
    (Approx. 141g)
    Approx. 294g
    (Approx. 198g)
    Catalog Download

    †1: At room temperature(23°C±5°C)
    • Thermocouple K, J, T, N, E type, below -100°C / Thermocouple L, U, PL II type, RTD(†) Cu50Ω, DPt50Ω
    : (PV ±0.3% or ±2°C, select the higher one) ±1digit
    • Thermocouple C, G, R, S type, below 200°C: (PV ±0.3% or ±3°C, select the higher one) ±1digit
    • Thermocouple B type, below 400°C: There is no accuracy standards.
    Out of room temperature range
    • RTD Cu50Ω, DPt50Ω: (PV ±0.5% or ±3°C, select the higher one) ±1digit
    • Thermocouple R, S, B, C, G type: (PV ±0.5% or ±5°C, select the higher one) ±1digit
    • Others, Below -100°C: Within ±5°C
    In case of TK4SP Series, ±1°C will be added to the degree standard.
    †2: The weight is with packaging and the weight in parentheses is only unit weight.
    †Environment resistance is rated at no freezing or condensation.


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