| Series | TK4N | TK4SP | TK4S | TK4M | TK4W | TK4H | TK4L |
| Power supply | AC voltage | 100-240VAC 50/60Hz |
| AC/DC voltage | - | 24VAC 50/60Hz, 24-48VDC |
| Allowable voltage range | 90 to 110% of rated voltage |
| Power consumption | AC voltage | Max. 6VA | Max. 8VA |
| AC/DC voltage | - | Max. 8VA (24VAC 50/60Hz), max. 5W (24-48VDC) |
| Display method | 7-segment (PV: red, SV: green), other display part (green, yellow, red) LED method |
| Character size | PV (W×H) | 4.5×7.2mm | 7.0×14.0mm | 9.5×20.0mm | 8.5×17.0mm | 7.0×14.6mm | 11.0×22.0mm |
| SV (W×H) | 3.5×5.8mm | 5.0×10.0mm | 7.5×15.0mm | 6.0×12.0mm | 6.0×12.0mm | 7.0×14.0mm |
| Input type | RTD | JPt 100Ω, DPt 100Ω, DPt 50Ω, Cu 100Ω, Cu 50Ω, Nikel 120Ω (6 types) |
| Thermcouple | K, J, E, T, L, N, U, R, S, B, C, G, PLII (13 types) |
| Analog | Voltage: 0-100mVDC , 0-5VDC , 1-5VDC , 0-10VDC (4 types) ·Current: 0-20mA, 4-20mA (2 types) |
| Display accuracy | RTD | ·At room temperature (23℃ ±5℃): (PV ±0.3% or ±1℃, select the higher one) ±1-digit※1 ·Out of room temperature ranges: (PV ±0.5% or ±2℃, select the higher one) ±1-digit In case of TK4SP Series, ±1℃ will be added. |
| Thermcouple |
| Analog | ·At room temperature (23℃ ±5℃): ±0.3% F.S. ±1-digit ·Out of room temperature ranges: ±0.5% F.S. ±1-digit |
| CT input | ±5% F.S. ±1-digit |
| Control output | Relay | OUT1, OUT2: 250VAC 3A 1a |
| SSR | Max. 11VDC ±2V 20mA |
| Current | DC4-20mA or DC0-20mA selectable (resistance load: max. 500Ω) |
| Alarm output | Relay | AL1, AL2: 250VAC 3A 1a ※TK4N AL2: 250VAC 0.5A, 1a (max. 125VA), TK4SP has only AL1 |
| Option output | Transmission | DC4-20mA (resistance load: max. 500Ω, output accuracy: ±0.3% F.S.) |
| Communication | RS485 communication output (Modbus RTU) |
| Option input | CT | 0.0-50.0A (primary heater current reading range) ※CT ratio is 1/1000 (except TK4SP) |
| Digital input | ·Contact input: ON - max. 2kΩ, OFF - min. 90kΩ ·Non-contact input: ON - residual votage max. 1.0VDC , OFF - leakage current max. 0.1mA ·Outflow current: approx. 0.5mA per input ※TK4S/M: 1 (TK4S-D : 2, TK4SP: none), TK4N/H/W/L: 2 (except TK4SP) |
| Control method | Heating, Cooling | ON/OFF, P, PI, PD, PID control mode |
| Heating&Cooling |
| Hysteresis | ·RTD/Thermcouples: 1 to 100℃/℉ (0.1 to 100.0℃/℉) variable ·Analog: 1 to 100-digit |
| Proportional band (P) | 0.1 to 999.9℃/℉ (0.1 to 999.9%) |
| Integral time (I) | 0 to 9999 sec |
| Derivative time (D) | 0 to 9999 sec |
| Control period (T) | ·Relay output, SSR drive output: 0.1 to 120.0 sec ·Current output+SSR drive output: 1.0 to 120.0 sec |
| Manual reset value | 0.0 to 100.0% |
| Sampling period | 50ms |
| Dielectric strength | 2,000VAC 50/60Hz for 1 min (between power source terminal and input terminal) |
| Vibration | 0.75mm amplitude at frequency of 5 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours |
| Relay life cycle | Mechanical | OUT1/OUT2: min. 5,000,000 operations, ·AL1/AL2: min. 20,000,000 operations (TK4H/W/L: min. 5,000,000 operations) |
| Electrical | OUT1/OUT2, AL1/AL2: min. 100,000 operations |
| Insulation resistance | Over 100MΩ (at 500VDC megger) |
| Noise immunity | Square shaped noise by noise simulator (pulse width 1㎲) ±2kV R-phase, S-phase |
| Memory retention | Approx. 10 years (non-volatile semiconductor memory type) |
| Environ -ment | Ambient temp | -10 to 50℃, storage: -20 to 60℃ |
| Ambient hum | 35 to 85%RH, storage: 35 to 85%RH |
| Protection | IP65 (front panel) ※TK4SP: IP50 (front panel) |
| nsulation type | Double insulation or reinforced insulation (mark: , dielectric strength between the measuring input part and the power part : 2kV) |
| 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) |