Procurement teams shortlist FX-738 with Itherm Fx 938, Itherm Process Controller Fx Series and Itherm Digital Counters, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Itherm Fx-738: Process Controller FX Series
Technical Specifications of Itherm Process Controller FX Series Fx-738:

| Resolution | T/C: 1°C Pt-100: 1°C/ 0.1°C Analog : 1°C/ 0.1/ 0.01/ 0.001°C |
| Accuracy | 0.3% FS |
| Output Relay | 5A @ 250 VAC/ 30VDC |
| Output SSR Drive | 12 VDC @ 30mA |
Itherm Fx-738 Process Controller FX Series Technical Specifications
| Specification | Value |
|---|---|
| Height & Colour | 0.70'' White & 0.60'' Pure Green |
| No. of Digits | 4 Digits Dual Row |
| LED Indication | OP1, OP2, OP3, AT, SOAK & RTX |
| Sensor Input | T/C: J, K, R, S, N, T, B RTD: Pt-100 Analog : 0-1 VDC, 0-3.3 VDC, 0-5 VDC, 0-10 VDC, 0-20 mA, 4-20 mA |
| Resolution | T/C: 1°C Pt-100: 1°C/ 0.1°C Analog : 1°C/ 0.1/ 0.01/ 0.001°C |
| Sampling Rate | 250msec |
| Accuracy | 0.3% FS |
| Port | RS-485, Half Duplex |
| Protocol | Modbus RTU |
| Baud Rate | 9600, 19200, 31250, 38400, 76800 |
| Parity | None, Odd, Even |
| Data Bits | 8 |
| Stop Bits | One(1), Two(2) |
| Output Relay | 5A @ 250 VAC/ 30VDC |
| Output SSR Drive | 12 VDC @ 30mA |
| Output Current | 0-20mA DC, 4-20mA DC (loop impedance : 500Ω max.) |
| Output 2 Function Auxiliary | Absolute / Deviation |
| Output 2 Alarm | Low/ High/ Band / Low Deviation/ High Deviation |
| Output 3 Function Auxiliary | Absolute / Deviation |
| Output 3 Alarm | Low/ High/ Band / Low Deviation/ High Deviation |
| Output 3 Soak Timer | Heater off/ Alarm/ Both |
| Supply Voltage | 90 - 270 VAC/ DC (24 VDC Available on Request) |
| Operating Temperature | 0-50°C |
| Storage Temperature | -20° to 75°C |
| Humidity | 95% RH (Non-condensing) |
| Dimensions in mm (H x W x D) | 72 x 72 x 60 |




