rhtp
RHTPdP
dP-based standard-flow monitor: differential pressure + volumetric/standard flow + RH/T/P, with target-flow CUSUM noise & drift monitoring
dP-based standard-flow monitor: differential pressure + volumetric/standard flow + RH/T/P, with target-flow CUSUM noise & drift monitoring
Specifications
| Sensors | Sensirion SDP800 (differential pressure), Bosch BME680 (RH/T/P) |
|---|---|
| Flow Model | Q_slpm = a*sqrt(b*dP*P_abs/T_abs) + c |
| Connectivity | USB serial (CDC) |
| Operating Range | {"temperature_c": "0-40", "pressure_pa": "70000-110000", "rh_pct": "0-95", "dp_pa": "0-135"} |
| Measurement Interval | 1 s (1 Hz) |
| Dashboard Measurement Fields | [{'kind': 'numeric', 'unit': 'Pa', 'field': 'differential_pressure', 'label': 'Differential pressure', 'format': '.2f', 'primary': False, 'visible': True}, {'kind': 'numeric', 'unit': 'L/min', 'field': 'flow_lpm', 'label': 'Actual flow', 'format': '.3f', 'primary': True, 'visible': True}, {'kind': 'numeric', 'unit': 'slpm', 'field': 'flow_slpm', 'label': 'Standard flow', 'format': '.3f', 'primary': False, 'visible': True}, {'kind': 'numeric', 'unit': '%', 'field': 'humidity', 'label': 'Relative humidity', 'format': '.2f', 'primary': False, 'visible': True}, {'kind': 'numeric', 'unit': '°C', 'field': 'temperature', 'label': 'Temperature', 'format': '.2f', 'primary': False, 'visible': True}, {'kind': 'numeric', 'unit': 'Pa', 'field': 'pressure', 'label': 'Absolute pressure', 'format': '.0f', 'primary': False, 'visible': True}, {'kind': 'numeric', 'unit': 'slpm', 'field': 'target_flow', 'label': 'Target standard flow', 'format': '.2f', 'primary': False, 'visible': True}, {'kind': 'status', 'unit': '', 'field': 'status_hex', 'label': 'Status', 'format': None, 'primary': False, 'visible': True}] |
| Images | [] |
| Attachments | [{'title': 'RHTPDP_Datasheet_EN_v0.3', 'filename': 'RHTPDP_Datasheet_EN_v0.3.pdf', 'size_bytes': 306977, 'description': 'RHTPdP Module datasheet', 'content_type': 'application/pdf', 'download_url': '/media/product-attachments/b157dd42bc3d4accaad3a1c7d244aa0f', 'attachment_id': 12}] |
| Measurement Fields | [{'kind': 'numeric', 'name': 'differential_pressure', 'unit': 'Pa', 'label': 'Differential pressure'}, {'kind': 'numeric', 'name': 'flow_lpm', 'unit': 'L/min', 'label': 'Actual flow'}, {'kind': 'numeric', 'name': 'flow_slpm', 'unit': 'slpm', 'label': 'Standard flow'}, {'kind': 'numeric', 'name': 'humidity', 'unit': '%', 'label': 'Relative humidity'}, {'kind': 'numeric', 'name': 'temperature', 'unit': '°C', 'label': 'Temperature'}, {'kind': 'numeric', 'name': 'pressure', 'unit': 'Pa', 'label': 'Absolute pressure'}, {'kind': 'numeric', 'name': 'target_flow', 'unit': 'slpm', 'label': 'Target standard flow'}, {'kind': 'status', 'name': 'status_hex', 'unit': '', 'label': 'Status'}] |
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