DPI 705E from Druck is a rugged, portable pressure indicator specifically designed for maintenance, troubleshooting, and calibration in industrial environments. With its compact design, high accuracy, and extensive features, it is ideal for field use – both in safe and hazardous (IS) areas.
Key Features at a Glance:
- 41 available pressure ranges from ±25 mbar to 1,400 bar (±10 inH₂O to 20,000 psi)
- Total uncertainty up to 0.025% of full scale (FS) (across the -10 °C to +50 °C temperature range)
- Integrated calibration record with countdown to next due date
- Large, high-contrast LCD with backlight
- Leak test, tare, min/max and filter functions included as standard
- IS version for hazardous areas certified to ATEX, IECEx, CSA and more
- Compatible with PM700E external pressure sensors and RTD temperature probes (plug & play)
- Long battery life – up to 1 year on a single set of batteries with typical use
- Optional integration with 4Sight2 for automated calibration management
Typical Applications:
- On-site maintenance and service
- System troubleshooting
- Field pressure and temperature calibration
- Device testing in harsh environmental conditions
Technical Specifications (Summary):
Category | Details |
---|---|
Pressure ranges | ±25 mbar to 1,400 bar (2.5 kPa to 140 MPa) |
Accuracy classes | Standard: ±0.1% FS High: ±0.05% FS Premium: ±0.025% FS |
Media compatibility | 316L, Hastelloy C276, Inconel 625 depending on range |
Protection rating | IP54 (dust and splash-proof) |
Operating temperature | -10 °C to +50 °C |
Power supply | 4x AA batteries, up to 1 year of use (typical) |
Display | High-contrast LCD, 16 mm digit height, 5-digit |
Calibration | Integrated record, optional UKAS certification |
Explosion protection (IS version) | ATEX, IECEx, CSA, INMETRO, TR CU, and others |
Special Functions:
- Leak test: Measures pressure drop over 1, 3, or 5 minutes – including with RTD sensor
- Min/Max Hold: Captures pressure spikes during measurement
- Tare function: Temporary zero offset (0–100% FS)
- Filter: Moving average of the last 10 readings for a stable display
- Alarm: Visual and audible alert when user-defined pressure limits are exceeded
Expandable Options:
- PM700E – External pressure sensors with their own calibration record
- RTD temperature interface – For temperature measurement with PT100 probes
- Various connection adapters: G1/8, G1/4, 1/8 NPT, 1/4 NPT, quick-fit and more
- Compatible with Druck hand pumps: e.g., PV210, PV411A, PV212 (up to 1,000 bar)
Everyday Use Advantages:
- Plug-and-play – no warm-up time required
- Shock- and vibration-resistant (1 m drop test at -20 °C passed)
- Optional accessories: carry case, magnetic/strap mount, USB-RS485 cable
- Suitable for air, non-condensing gases and liquid media (depending on model)
DPI 705E Internal Pressure Sensors
The DPI 705E can be configured with an internal absolute, gauge, or differential pressure sensor (see table for availability).
Pressure Range | Absolute | Gauge | Differential | Standard Accuracy | High Accuracy |
---|---|---|---|---|---|
25 mbar / 10 inH₂O / 2.5 kPa | – | ✔ | ✔ | – | – |
70 mbar / 1 psi / 7 kPa | – | ✔ | ✔ | ✔ | – |
200 mbar / 3 psi / 20 kPa | – | ✔ | ✔ | ✔ | – |
350 mbar / 5 psi / 35 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
700 mbar / 10 psi / 70 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
1 bar / 15 psi / 100 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
2 bar / 30 psi / 200 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
3.5 bar / 50 psi / 350 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
7 bar / 100 psi / 700 kPa | ✔ | ✔ | ✔ | ✔ | ✔ |
10 bar / 150 psi / 1 MPa | ✔ | ✔ | ✔ | ✔ | ✔ |
20 bar / 300 psi / 2 MPa | ✔ | ✔ | ✔ | ✔ | ✔ |
35 bar / 500 psi / 3.5 MPa | ✔ | ✔ | ✔ | ✔ | ✔ |
70 bar / 1000 psi / 7 MPa | ✔ | ✔ | ✔ | ✔ | ✔ |
100 bar / 1500 psi / 10 MPa | ✔ | ✔ | – | ✔ | ✔ |
135 bar / 2000 psi / 13.5 MPa | ✔ | ✔ | – | ✔ | ✔ |
200 bar / 3000 psi / 20 MPa | ✔ | ✔ | – | ✔ | ✔ |
350 bar / 5000 psi / 35 MPa | ✔ | ✔ | – | ✔ | ✔ |
700 bar / 10000 psi / 70 MPa | ✔ | ✔ | – | ✔ | ✔ |
Note: Do not apply more than 1 bar (16 psi) absolute pressure to the negative port of differential pressure models.