Main Feature
1.Measure voltage, current and switch (on and off), and other electrical signal measurement
2. Built-in voltage (V/mV), current, on-off measurement function and DC24V power supply
3.Built-in standard barometer, gauge pressure and absolute pressure switch
4. Step way setting of pressure output
5.Built-in Profibus communication, pressure gauge calibration Profibus PA bus
6.With HART communication, it can connect with HART instrument
7.Built-in standard pressure module with high accuracy
8.External Pressure module available for calibration
9. 8-inch touch screen, high resolution display in both English and Chinese
Electrical Measuring Range and Accuracy
| Measure Range | Resolution | Accuracy | |
| Current | (-30～30)mA | 0.0001mA | ±(0.01%RD+0.005%FS) |
| Voltage | (-30～30)V | 0.0001V | ±(0.01%RD+0.005%FS) |
| Voltage | (-300～300)mV | 0.001mV | ±(0.01%RD+0.005%FS) |
| Switch | ON/OFF Testing | ||
| DC24Voutput | (24±0.5)V, max 50mA | ||
Technical Data
| Model | SPMK251/7 |
| Range | (-0.09～7)MPa |
| Build in Module | (-0.1～7)MPa. 0.05%F. S |
| External Pressure Module | Select according to the pressure instrument under test, the measuring range is not greater than the built-in pressure standard module. |
| Pressure Type | Gauge Pressure/Absolute Pressure |
| Media | Air/Nitrogen gas |
| External Pressure Source | External Pressure Source |
| Stability Control(30s) | ≤0.003%FS |
| Pressure control over (back) adjustment | Not more than 0.1% of the absolute value of the target pressure |
| Target pressure stability duration | More than 5 Mins |
| Control corresponding time (without external load) | 30s |
| Function | V、mV、mA、Switch、Calibrate HART、Profibus PA、DC24V Output |
| Display Digit | 4/5/6 digit display available to switch |
| Outport Thread | M20x1.5/BSP/NPT |
| Communication | RS232、USB 、LAN、WIFI |
| Power | AC220V |
| Dimension | (410x460x190) mm |
| Weight | 14kg |
| Storage temperature | (0～50)℃ |
| Relative humidity | <90% non-condensation |
| Recommended purchase | SPMK211D/7 Electrical Pressure Source |