| Parameter | Measurement |
|---|---|
| Measurement Range | -0.25 to +0.25 in. W.C. (-62 Pa to +62 Pa) |
| Temperature Compensation | Yes |
| Resolution | 16 bits preset |
| Zero Point Accuracy | 0.0004 in. W.C. (0.1 Pa) |
| Span Accuracy | 3% of reading |
| Zero Point Reliability | 0.0002 in. W.C. (0.05 Pa) |
| Span Repeatability | 0.5% of reading |
| Offset Shift Due to Temp Variation | None (less than resolution) |
| Span Shift Due to Temp Variation | <0.5% of reading per 10ยบ C |
| Response Time | 4.6 ms typical at 12-bit resolution |
Note: It is best practice for air flow sensors to follow an
annual calibration schedule, or as needed by your particular industry, to mitigate
sensor degradation and performance loss. For calibration re-certification, contact
Service@Triatek.com
| Terminal | Description |
|---|---|
| +Vin | Power input range: 24 VAC or 24 VDC |
| -Vin | |
| Vo | Sensor output range: 0 VDC to 5 VDC |
| Io | Sensor output range: 4 mA to 20 mA for +/-.25 in. W.C. (62.21 Pa) |
| +Vs | Door switch (dry contact) |
| IN | |
| GND | Ground for power and signal |
| -(RS485) | Serial communication at 2400 baud rate |
| +(RS485) |
Figure 1. Room Differential Pressure sensor placement
Note: For installation instructions,
refer to the installation guide that correlates to the specific system you
use.