Genuine Autonics TK4S-A4RN high-performance PID temperature controller in a compact 48 × 48 mm housing. Relay control output with two alarm outputs and a DC 4–20 mA PV transmission output, 50 ms sampling and multi-input support (thermocouple, RTD and analog). Runs on 100–240 VAC.
Replacement for the discontinued Autonics TZ4ST-R4R (relay output, 2 alarms + PV transmission).
| Size |
48 × 48 mm (DIN 1/16) |
| Display |
4-digit 7-segment LED |
| Control method |
ON/OFF, P, PI, PD, PID |
| Input – thermocouple |
K(CA), J(IC), E(CR), T(CC), B(PR), R(PR), S(PR), N(NN), C(TT), G(TT), L(IC), U(CC), Platinel II |
| Input – RTD |
DPt100Ω, DPt50Ω, JPt100Ω, Cu100Ω, Cu50Ω, Nickel 120Ω |
| Input – analog |
0–100 mV, 0–5 V, 1–5 V, 0–10 V, 0–20 mA, 4–20 mA |
| Sampling cycle |
50 ms |
| Control output 1 |
Relay, 250 VAC 3 A |
| Option input |
CT, Digital (DI-1) |
| Option output |
Alarm 1 / Alarm 2, Transmission (DC 4–20 mA) |
| Power supply |
100–240 VAC, 50/60 Hz |
| Protection |
IP65 (front panel) |
| Display accuracy (RTD / TC) |
At 23 ℃ ±5 ℃: PV ±0.3% or ±1 ℃, whichever is greater, ±1 digit |
| Display accuracy (analog) |
At 23 ℃ ±5 ℃: ±0.3% F.S. ±1 digit |
| Proportional band |
0.1 to 999.9 ℃/℉ (0.1 to 999.9%) |
| Integral / derivative time |
0 to 9999 s |
| Control period |
Relay / SSR drive output: 0.1 to 120.0 s |
| Ambient temperature |
−10 to 50 ℃ (storage −20 to 60 ℃) |
| Ambient humidity |
35 to 85% RH |
| Weight |
Approx. 150 g with packaging (approx. 105 g unit only) |
Image may differ from the actual product. Specifications per Autonics data sheet.