2 Specifications     
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Series  TK4 
Hysteresis 
RTD/ Thermocouples Resistor: 1 - 100℃/℉ (0.1 - 100.0℃/℉ )  Variable 
Analog: 1 to 100 digits 
Proportional Band (P)  0.1 - 999.9℃ (0.1 - 999.9%) 
Integral Time (I)  0 to 9999 sec. 
Derivative Time (D)  0 to 9999 sec. 
Control Period (T)  0.1 to 120.0 sec. (Relay output and SSR output only) 
Manual Reset Value  0.0 - 100.0% 
Sampling Period  50 ms 
Dielectric Strength  2000 VAC 50/60 Hz for 1 min. (between power terminal and input terminal) 
Vibration Resistance  0.75mm amplitude at 5 to 55 Hz (1 min. cycle) in X, Y, and Z directions(2 hours) 
Relay 
  Life 
Cycle 
Mechanical 
OUT1/OUT2  : Over 5,000,000 cycles 
AL1/AL2 
: Over 20,000,000 cycles   
(※TK4H/TK4W/TK4L: over 5,000,000 cycles) 
Electrical 
OUT1/OUT2  : Over 200,000 cycles 
AL1/AL2 
: Over 100,000 cycles 
  (※TK4H/TK4W/TK4L: over 200,000 cycles) 
Insulation Resistance  100MΩ (at 500VDC megger) 
Noise Resistance 
Square shaped noise by noise simulator (pulse width 1 ㎲) ± 2 KV R-phase, S-
phase. 
Memory Retention  Approx. 10 years (non-volatile semiconductor memory type) 
Environ 
-ment 
Ambient 
Temperature 
-10 to 50℃, Storage temperature: -20 to 60℃ 
Humidity 
35 to 85% RH, Storage humidity: 35 to 85% RH 
Protection  IP65 (front) ※TK4SP: IP50 (front) 
Insulation type
※
2
 
 
Unit Weight 
Approx. 
105 g 
Approx. 85 
g 
Approx. 
140 g 
Approx. 
141 g 
Approx. 
141 g 
Approx. 
198 g 
※1: At room temperature ranges and at all other temperature ranges 
  At room Temperature range(23℃ ± 5℃) 
  TC K, J, T, N, E type , below -100℃ / TC L, U, PL II type: (PV ±0.3% or ±2℃, 
select the bigger one) ± 1Digit 
  TC C, G type / TC R, S type bellow 200℃: (PV ±0.3% or ±3℃, select the bigger 
one) ± 1 digit 
  TC B type, below 400℃: There is no accuracy standard.