Dwyer RSM Series Room Status Monitor
Room status monitor, monitors room positive/negative pressure and alarms, NEMA 1 (IP20) indoor type.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The RSM Series Room Status Monitor is used for pressure monitoring and alarming in critical low differential pressure applications and can be configured to monitor positive or negative pressure in protected environments or hospital isolation rooms. The graphical interface allows setting of pressure, safety, calibration and alarm parameters; outputs are selectable as 4-20mA, 0-5VDC or 0-10VDC.
| Parameter Name | Technical Specifications |
|---|---|
| Main specifications | |
| Medium | Air or non-conductive non-explosive gases. |
| Accuracy | ±0.5% FS. |
| Temperature limit | 32 ~120°F (0 ~50°C). |
| Humidity limit | 5~95%RH (non-condensing). |
| Thermal effect | ±0.03% FS/ °F (± 0.05% FS/ °C). |
| Pressure limits | ±15 in w.c. (±3.7 kPa). |
| Power Supply | Order Code A (24 VAC): 18-32 VAC, 50-60 Hz. Order Code B (120 VAC): 85-265 VAC, 50-60 Hz. Main supply voltage fluctuations up to 10%. |
| Output | Jumper selectable 4-20 mA (2-wire), 0-5 VDC (3-wire), or 0-10 VDC (3-wire). |
| Switch type | SPST. |
| Electrical connection | Pluggable terminal block |
| Process connection | Barbed fitting, 3/16" ID tubing. |
| Enclosure | NEMA 1 (IP20) indoor applications |
| Housing | Flame-retardant plastic |
| Installation | Mounts to a standard 4x4" double-gang metal electrical box using a plaster ring adapter |
| Size | 8" H x 5.4" W x 1.8" D (20.3 H x 13.7 W x 4.1 D cm). |
| Weight | 1.5 lb (680 g). |
| Communication | BACnet MSTP ASC optional. |
| Certification | CE, CSA (RSM only) |
| Model selection | |
| Selection table | Published on the official website as a screenshot of the selection table; for complete model numbers and ranges, see the official manual "RSM.i.pdf" in the documentation package. |
- Graphical interface for setting pressure, safety, calibration and alarm parameters
- Output options: 4-20mA (two-wire), 0-5VDC or 0-10VDC
- SPST switch output, connectable to alarm or interlock
- Accuracy ±0.5% FS, pressure limit ±15 in w.c.
Negative pressure monitoring in hospital isolation rooms
Monitors isolation room negative pressure per CDC guidelines, with audible and visual alarm on exceeding limits.
Differential pressure monitoring in server rooms and laboratories
Monitors positive pressure in protected environments to prevent ingress of contaminants.
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
- Phone consultation +86-21-66020232
- Email inquiry web@qishan-sh.com



