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Siemens SRCM Room Condition Monitors 547-313A

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547-313A

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The Siemens 547-313A is a precise room condition and pressure monitor, designed to evaluate environmental parameters. Featuring an impressive range of operational capabilities, it efficiently measures pressure within a full-scale range of 0.25 inches WC (62.5 Pa).

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Technical specifications for 547-313A

ManufacturerSiemens
Product TypeRoom Condition/Pressure Monitor
Product LineSRCM Room Condition Monitors
Part Number547-313A
Pressure Range (Full Scale)0.25 (-/+) in WC (62.5 Pa)
Accuracy (Full Scale, RSS)0.5%, -/+
Excitation Voltage Rating (AC)18 to 32 Volts AC
Input Voltage Frequency50 to 60 Hz
Operating Temperature Range0 to 50°C (electronics only)
Storage Temperature Range-30°C to 70°C
Humidity Range5 to 95% RH (Non-Condensing)
Power Consumption10 W max., 3 W typical
Output Signal (Voltage)0 to 5 Volts DC or 0 to 10 Volts DC
Output Signal (Current)4 to 20 mA
Display4.3 in. dimmable TFT LCD, 480 x 272
Case MaterialFire-retardant plastic, UL94 V-0
Electrical ConnectionRemovable terminal block
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The Siemens 547-313A stands out as a room condition and pressure monitoring device. It weighs 1.22 lbs and accurately gauges pressure within a full scale of 0.25 (-/+) inches of water column, equivalent to 62.5 Pa, with an accuracy rating of 0.5% (RSS).

This monitor requires an excitation voltage ranging between 18 to 32 Volts AC and operates efficiently at input voltage frequencies of 50 to 60 Hz. While the electronics are designed to function within an operational temperature spectrum of 0 to 50 °C, the device can endure storage conditions from -30°C to 70°C. Further enhancing its versatility, it can handle humidity levels from 5% to 95% relative humidity without condensation.

Power consumption fluctuations are minimal, with typical usage around 3 W and a maximum of 10 W. The unit provides two types of output signals: voltage output varying from 0 to 5 Volts DC or 0 to 10 Volts DC, and a current output ranging from 4 to 20 mA. The incorporated display features a 4.3-inch dimmable TFT LCD with a resolution of 480 x 272, enabling easy reading in various lighting conditions.

Additionally, the housing is made from fire-retardant plastic with a UL94 V-0 rating, ensuring durability and safety. The electrical connection is established via a removable terminal block that facilitates straightforward wiring and maintenance.