IFM Pressure sensor for pneumatics PQ7834 PQ-010-RHR18-QFPKG/AS/
Reliable monitoring of the system pressure in pneumatics and in compressed air systems
Very high overpressure and vacuum resistance
Clearly visible slanted LED display
Red/green display for clear identification of the acceptable range
Two switching outputs, one of which can be configured as diagnostic output
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 2 |
| Measuring range | -1...10 bar-15...145 psi-30...296 inHg-100...1000 kPa |
| Process connection | threaded connection G 1/8 Internal thread |
Application
| System | gold-plated contacts |
| Application | for industrial applications |
| Media | compressed air |
| Conditionally suitable for | other media on request |
| Medium temperature[°C] | 0...60 |
| Min. bursting pressure | 30 bar435 psi886 inHg3000 kPa |
| Pressure rating | 20 bar290 psi591 inHg2000 kPa |
| Vacuum resistance | -1000 mbar-0.1 MPa |
| Type of pressure | relative pressure; vacuum |
Electrical data
| Operating voltage[V] | 18...32 DC; (to SELV/PELV) |
| Current consumption[mA] | < 50 |
| Min. insulation resistance[MΩ] | 100; (500 V DC) |
| Protection class | III |
| Reverse polarity protection | yes |
| Overvoltage protection | yes; (< 40 V) |
| Power-on delay time[s] | 0.3 |
| Integrated watchdog | yes |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 2 |
Outputs
| Total number of outputs | 2 |
| Output signal | switching signal |
| Electrical design | PNP |
| Number of digital outputs | 2 |
| Output function | normally open / closed; (configurable) |
| Max. voltage drop switching output DC[V] | 2 |
| Permanent current rating of switching output DC[mA] | 100 |
| Switching frequency DC[Hz] | < 200 |
| Short-circuit protection | yes |
| Type of short-circuit protection | yes (non-latching) |
Measuring/setting range
| Measuring range | -1...10 bar-15...145 psi-30...296 inHg-100...1000 kPa |
| Set point SP | -0.9...10 bar-13...145 psi-26...296 inHg-90...1000 kPa |
| Reset point rP | -0.95...9.95 bar-14...144 psi-28...294 inHg-95...995 kPa |
| In steps of | 0.05 bar1 psi2 inHg5 kPa |
Accuracy / deviations
| Switch point accuracy[% of the span] | < ± 0,5 |
| Repeatability[% of the span] | < ± 0,1; (with temperature fluctuations < 10 K) |
| Characteristics deviation[% of the span] | < ± 0,25 (BFSL) / < ± 0,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting) |
| Hysteresis deviation[% of the span] | < ± 0,25 |
| Long-term stability[% of the span] | < ± 0,05; (per 6 months) |
| Temperature coefficient zero point[% of the span / 10 K] | 0,2; (0...60 °C) |
| Temperature coefficient span[% of the span / 10 K] | 0,2; (0...60 °C) |
Reaction times
| Response time[ms] | < 2.5 |
| Delay time programmable dS, dr[s] | 0; 0,002...5 |
Software / programming
| Parameter setting options | hysteresis / window; normally open / closed; Diagnostic function; switching logic; switch-on/switch-off delay; Damping; Display unit |
Operating conditions
| Ambient temperature[°C] | 0...70 |
| Storage temperature[°C] | -25...85 |
| Protection | IP 65 |
Tests / approvals
| EMC | EN 61000-4-2 ESD4 kV CD / 8 kV ADEN 61000-4-3 HF radiated10 V/mEN 61000-4-4 Burst2 kVEN 61000-4-5 Surge0,5/1 kVEN 61000-4-6 HF conducted10 V |
| Shock resistance | DIN IEC 68-2-2750 g (11 ms) |
| Vibration resistance | DIN IEC 68-2-620 g (10...2000 Hz) |
| MTTF[years] | 455 |
| Pressure equipment directive | sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] | 84.5 |
| Housing | rectangular |
| Dimensions[mm] | 42 x 30 x 32 |
| Material | PBT; FKM; polyester |
| Materials (wetted parts) | brass; FKM; silicon (coated); PBT |
| Min. pressure cycles | 50 million |
| Process connection | threaded connection G 1/8 Internal thread |
