Products

Bleed Airflow Measurement

Bleed Airflow Measurement with Temperature with Alarm Capability

EBTRON’s bleed sensors are unique measurement devices that can detect the direction and minimal pressure differentials (as low as 0.0002″ H2O) between two adjacent spaces by sensing the airflow rate induced by the pressure gradient. The HTx104 and EF-x2000 series can determine the airflow rate across fixed openings when a reference airflow rate is available. The HTx104 series provides isolated outputs with a true 4-20mA output option.

The SERVAIRE-E100 rack mount bidirectional airflow measurement device can detect minimal pressure differentials (as low as 0.0002″ H0) across containment zones by measuring the airflow bled across a false server. Temperature measurement of the bleed airflow path is also available.

# Sensor Nodes

One bi-directional, dual 1/2” NPT female bleed sensor housing

One bi-directional bleed sensor in a single rack mount housing

Measurement Output

Airflow
Temperature
Equivalent ΔP

Airflow
Temperature
Equivalent ΔP

Airflow
Temperature
Equivalent ΔP

Airflow
Temperature
Equivalent ΔP

Airflow
Temperature
Equivalent ΔP

Accuracy

Airflow: ±2% of reading to NIST-traceable airflow standards
Temperature: ±0.15⁰F [0.08⁰C] to NIST-traceable temperature standards

Linear Analog Output (A01, A02)
(0-5/1-5/0-10/2-10 VDC)

Linear Analog Output (A01, A02)
(0-5/0-10 VDC or 4-20mA)

BACnet MS/TP or Modbus RTU

BACnet Ethernet or BACnet IP, Modbus TCP and TCP/IP

NIST Traceable Calibration

Alarms

* Airflow and pressure measurements require reference measurements specific to the installation. The Field Adjust Wizard (FAW) can assist with setup for both.

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