Novasina – Differential Pressure
The Novasina Differential Pressure products offer precise and reliable solutions for monitoring and calibrating low differential pressures in clean rooms, HVAC systems, and filter systems with high accuracy and long-term stability.
- Pascal-ST/ZB: Th ideal solution for clean rooms – Pocket size high accuracy measuring instrument with automatic zero-point calibration.
- PascalMaxx: HVAC measuring device with automatic zero-point calibration for monitoring of room pressure and saturation.
- CaliBox 200: Mobile pressure generator and reference for calibration of static and dynamic differential pressure sensors.
Key Features
- Automatic zero-point calibration for high accuracy and stability.
- Compact, robust design, easily integrated into systems.
- Low drift and maintenance-free for long-term reliable measurements.
Available Models
Technical Specifications
| Pascal-STV 25 ZB | Pascal-STV 100 ZB | |
|---|---|---|
| Measurement range | -25…+25 Pa | -100…+100 Pa |
| Max. permissible operating pressure | +/- 25 Pa | +/- 100 Pa |
| Accuracy at 20℃ | typical ± 0.15 Pa | typical ± 0.25 Pa |
| Temperature effect | max. ±0.20 Pa (at constant operation temperature out of adjustment tempereature) | max. ±0.20 Pa (at constant operation temperature out of adjustment tempereature) |
| Max. resolution | 0.1 Pa | 0.1 Pa |
| Measurement interval | approx. 20 measurements / second | approx. 20 measurements / second |
| Hysteresis | <±0.15 Pa | <±0.15 Pa |
| Offset-Drift under “TLV” conditions | ± 0.15 Pa (with automatic zero-point calibration) | ± 0.15 Pa (with automatic zero-point calibration) |
| Max. permissible overpressure | ± 20’000 Pa | ± 20’000 Pa |
| Operating temperature | 5…45℃ | 5…45℃ |
| Display | Dot matrix 2 line LCD (36 x 14 MM) | Dot matrix 2 line LCD (36 x 14 MM) |
| Analogue outputs (scalable and adjustable) | 0…10V / 2…10V (burden to ground > 10 kOhm) 0…20mA / 4…20mA (burden <500 Ohm) | 0…10V / 2…10V (burden to ground > 10 kOhm) 0…20mA / 4…20mA (burden <500 Ohm) |
| Digital interface | RS-232 (ASCII-string, complex protocol) | RS-232 (ASCII-string, complex protocol) |
| Power supply | 10.5…35 VDC | 10.5…35 VDC |
| Power consumption | max. 2.5 W (in operation) | max. 2.5 W (in operation) |
| Protection | IP54 / EMC | IP54 / EMC |
| Measurement medium | dry, not condensing, non aggressive gases | dry, not condensing, non aggressive gases |
Measuring instrument to monitor and control low differential pressures in clean rooms, laminar flow systems, mini environments, filter systems and more.
The automatic zero point calibration during operation allows a very high measurement precision and long-time stability.
Key Features
- Maintenance-free due to very low drift effect
- No negative accuracy influence due to mounting position
- Very reliable and stable long-term measurement
- Small, compact, robust and easy to integrate almost anywhere
Technical Specifications
| PascalMaxx +/- 50Z | PascalMaxx 500Z | PascalMaxx 2000Z | |
|---|---|---|---|
| Dimensions | 110x130x50 mm | 110x130x50 mm | 110x130x50 mm |
| Measurement range differential pressure | -50…+50 Pa | 0…500 Pa | 0…2’000 Pa |
| Max. resolution | 0.1 Pa | 0.1 Pa | 0.1 Pa |
| Accuracy at 20℃ over full measurement reange | +/- 0.5% | +/- 0.25% | +/- 0.5% |
| Temperature effect | +/- 2 % | +/- 1 % | +/- 1 % |
| Differential pressure sensor | Piezo resistive membrane | Piezo resistive membrane | Piezo resistive membrane |
| Max. permissible overpressure | ± 25’000 Pa | ± 25’000 Pa | ± 50’000 Pa |
| Operating temperature | 0…+50 ℃ | 0…+50 ℃ | 0…+50 ℃ |
| Long term stability / drift | < 2 Pa / year (automatic zero-point calibration | < 2 Pa / year (automatic zero-point calibration | < 2 Pa / year (automatic zero-point calibration |
| Power supply | 19.2…28.8 VSC (In-Out without galvanic isolation) | 19.2…28.8 VSC (In-Out without galvanic isolation) | 19.2…28.8 VSC (In-Out without galvanic isolation) |
| Power consumption | max. 2.5 W (in operation) | max. 2.5 W (in operation) | max. 2.5 W (in operation) |
| Analogue outputs | 0…10V/ 2 …10V / 0… 20mA / 4…20mA | 0…10V/ 2 …10V / 0… 20mA / 4…20mA | 0…10V/ 2 …10V / 0… 20mA / 4…20mA |
| Relay output | max. 230 VAC – 2A ohmic (adjustable) | max. 230 VAC – 2A ohmic (adjustable) | max. 230 VAC – 2A ohmic (adjustable) |
| Electromagnetic compatibility | EN 61326-1 / EN 61326 A1 | EN 61326-1 / EN 61326 A1 | EN 61326-1 / EN 61326 A1 |
| IP-protection | IP41 | IP41 | IP41 |
| Storage temperature | -10…+60 ℃ (not condensing) | -10…+60 ℃ (not condensing) | -10…+60 ℃ (not condensing) |
| Measurement medium | dry, not condensing, not aggressive gases | dry, not condensing, not aggressive gases | dry, not condensing, not aggressive gases |
This differential pressure transmitter with analog output and relay switch is suitable for different HVAC applications, such as filter and fan monitoring.
Thanks to the automatic zero calibration, the measurement characteristics of this device stand out due to their long-time stability.
Key Features
- Automatic zero-point alignment
- Large and well laid-out display
- Simple to configure and calibrate
- Integrated switching contact with configurable switching threshold function
- Scalable, analog signal: mA or V
- User-friendly menu structure with password protection
Technical Specifications
| CaliBox 200 | |
|---|---|
| Differential pressure working/measuring range | 0…200 Pa static and dynamic |
| Max. display resolution | 0.01 Pa |
| Measurement accuracy at 20℃ | typical <= 0.15 Pa respectively 0.08% FS (Full Scale) |
| Temperature effect | influence temperature constant: typical <= 0.03 Pa/℃ resp. 0.015% FS/℃ |
| influence temperature change 10℃/h: typical <= 0.6 Pa resp. 0.3% FS | |
| Offset drift | typical <= 0.15 Pa/year (automatic zero-point adjustment) |
| Hysteresis | typical <= 0.15 Pa |
| Reference device sensor element | piezo-resistive membrane differential pressure sensor |
| Max. permissible overpressure | -100…500 kPa |
| Operating temperature | 5…50 ℃ |
| Environmental media | non condensing, non corrosive fresh air |
| Power supply | Chargeable battery 25.6V/10 Ah LeFe PO4 with BMS |
| Charging time | < 3 hours |
| Operation timeat full battery load | > 24…48 hours |
| Analogue output | 0/2…10V (load >= 10 kOhm) |
| Accuracy of analogue output | typical 0.05% of full scale (FS) |
| Digital interface | RS 232 |
| Protection class open | IP 30 |
| Protection class close | IP 54 |
| Total weight | 7.3 kg |
| Storage temperature range | -10…+60 ℃ non condensing |
This mobile, universal pressure generator allows for a location-independent verification and calibration of differential pressure measurement instruments.
It is both applicable as a pressure generator and as certified pressure reference.
Key Features
Universal usage for membrane and mass flow differential pressure samples
Battery-powered for highest flexibility
High precision and stability of the generated pressure
Optionally deliverable with accredited certificate
Robust design for the mobile use
Success Stories
Successfully Flowing into New Market Segments
Though Novasina’s product has been widely accepted in the meat processing segment, in Japan it had not made much headway in other business segments. Novasina needed to identify opportunities in other industries to grow its business presence in Japan.
Key Industries
- Agriculture
- Biopharmaceutical and Biotechnology
- Cosmetics & Personal Care
- Education & Academics
- Electronics
- Food & Beverage
- Optical
- Pharmaceutical
- Semiconductor, Solar & Electronics
- Service
- Textile
Since its establishment more than 50 years ago, the company Novasina has specialised in the accurate measuring of air and…
