Features
SS121C series media isolated OEM pressure transducer is an updated version from SS121E24, SS121E27, and SS121V27. The transducer has a rugged stainless steel construction. It can integrate the MCP9700 temperature sensor. So, the transducers can give both pressure and temperature signals. SS121C series offers cable as the standard electrical connection configuration. The mV signal provides the highest frequency response and the lowest power consumption. The transducer suits test rigs or instruments with short cable lengths.
SS121C series conditioning for low-cost OEM applications. The stainless steel transducer can be mounted into the sensor housing by elastomer sealing or welding. It covers the range of 1.5 to 15000 psi. It gives a stable mV signal, which is linearly proportional to the applied pressure.
Pressure ranges (Typical)
Vented gauge(set the atmospheric pressure as reference) (Unit: bar)
| Range | -1.0 to 0 | -0.35 to 0 | -0.2 to 0 | 0 to 0.2 | 0 to 0.35 | 0 to 1.0 |
| 0 to 2.5 | 0 to 4.0 | 0 to 6.0 | 0 to 10 | 0 to 16 | 0 to 25 |
Absolute(set absolute vacuum as reference) (Unit: bar)
| Range | 0 to 1.0 | 0 to 2.5 | 0 to 4.0 | 0 to 6.0 | 0 to 10 | 0 to 16 |
| 0 to 25 | 0 to 40 | 0 to 60 | 0 to 100 | 0 to 160 | 0 to 250 | |
| 0 to 400 | 0 to 600 | 0 to 1000 |
Sealed gauge(set standard atmospheric pressure as reference) (Unit: bar)
| Range | 0 to 10 | 0 to 16 | 0 to 25 | 0 to 40 | 0 to 60 | 0 to 100 |
| 0 to 160 | 0 to 250 | 0 to 400 | 0 to 600 | 0 to 1000 |
Parameters
Specifications
| Power supply | 1.5 mA DC (typical) | 5 Volt DC, 10 Volt DC is on request |
|---|---|---|
| Zero output | 0 ± 2 mV | |
| Span output | 100 ± 20 mV (typical) | |
| Accuracy | 0.25% F.S. (typical) | |
| Measuring range | -1 to 0 bar, 0 to 0.1 bar … 1000 bar | |
| Overload | 2.0 × F.S. (< 250 bar) | |
| 1.5 × F.S. (≥ 250 bar); 1.2 × F.S. (1000 bar) | ||
| Temperature compensation | 0 to 70 °C | |
| Operating temperature | -20 to 100 °C | |
| Storage temperature | -40 to 125 °C | |
| Zero thermal error | ≤ 0.02% F.S./°C | |
| Bridge resistance | 2.3 to 4 KΩ | |
| Insulation | 100MΩ/250VDC | |
| Stability | ≤ 0.2% F.S./Year | |
Constructions
| Pressure connection | See “ordering information” in the data sheet | |
|---|---|---|
| O-ring | FKM / Viton | Welding structure, EPDM is on request |
| Diaphragm | Stainless steel 316L | Tantalum, Hastelloy-C is on on request |
| Housing | Stainless steel 304 | Stainless steel 316L is on request |
| Filling liquid | Silicone oil | |
| Electrical connection | Cable | |
Drawings
Dimensions
Please reference to SS121E24, SS121E27, SS121V27
Electrical Connections
| wires connection | pins connection (1) | pins connection (2) | |||||
|---|---|---|---|---|---|---|---|
| Color | Function |  |
PIN1: Supply + | |
PIN1: Supply + | ||
| Red | Supply + | PIN2: Output – | PIN2: Output + | ||||
| Black | Supply – | PIN3: Supply – | PIN3: Supply – | ||||
| White | Output + | PIN4: Supply – | PIN4: Supply – | ||||
| Blue | Output – | PIN5: Output + | PIN5: Output – | ||||
Data Sheet
File Download
