100 Series
Data Center Containment Rack Airflow/Pressure and Temperature Monitor


Series 100
Data Center Containment Rack Airflow/Pressure and Temperature Monitor

The SERVAIRE-E100 rack mount bidirectional airflow measurement device can detect very small pressure differentials (as low as 0.0002″ H₂0) across containment zones by measuring the airflow bleed across a false server. Temperature measurement of the bleed airflow path is also provided.

  • Thermal Dispersion Technology
  • Bi‐direction Airflow Measurement
  • Equivalent ΔP Output Capability
  • Detect ∆P as low as 0.0002″ H2O
  • Temperature Measurement
  • Alarm Capability
  • Ethernet Network Connection
  • Server Rack Mounting
  • LCD Display
  • 3‐year Warranty

Typical Applications

  • Supply Air Fan Control
  • Supply Air Deficiency Detection
  • Supply Air Over-pressurization Detection
  • Containment Aisle Short-circuit Airflow Detection


  • Reduce Fan Energy
  • Improve Server Efficiency
  • Reduce Server Failures

Product Highlights

  • Simple Rack Mount Design
  • Self-contained Sensing Unit
  • Long-term Stability
  • Simultaneous BACnet and Modbus Capability
  • Supports up to 10 Simultaneous Connections
  • Dual Redundant 110 VAC Power Supplies


Probe and Sensor Node Configuration

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

Listings and Compliance

FCC: This device complies with Part 15 of the FCC rules
RoHS2: This device is RoHS2 compliant

Environmental Limits

Temperature: -20 to 160 ⁰F [-28.9 to 71.1 ⁰C]
Humidity: (non-condensing) 5 to 95%

Bleed Sensor Assembly

Sensing Node Sensors

Self-heated sensor: Two precision, hermetically sealed, bead-in-glass thermistor probes
Temperature sensor: One precision, hermetically sealed, bead-in-glass thermistor probe

Sensing Node Housing

Material: Glass-filled Polypropylene
Sensor Potting Materials: Waterproof marine epoxy

Airflow Measurement

Accuracy: ±2% of reading to NIST-traceable airflow standards (includes transmitter uncertainty)
Calibrated Range: -2,000 to 2,000 fpm [-10.16 to 10.16 m/s]
Approximate Pressure Range: -0.5 to +0.5 in. H₂O [-124.54 to +124.54 Pa]
Calibration Points: 9

Temperature Measurement

Accuracy: ±0.15 ⁰F [0.08 ⁰C] to NIST-traceable temperature standards (includes transmitter uncertainty)
Calibrated Range: -20 to 160 ⁰F [-28.9 to 71.1 ⁰C]
Calibration Points: 3

Integral Transmitter

Power Requirement: 110 VAC @ 8V-A
Power Redundancy: Dual independent redundant power supplies
User Interface: 16-character LCD display and 4 button interface

B.A.S. Connectivity

SERVAIRE-E100: One isolated Ethernet (simultaneously supported BACnet Ethernet or BACnet IP, Modbus TCP and TCP/IP) network connection – supports up to 10 simultaneous connections

Airflow (or Pressure) Alarm

Type: Low and/or high user defined setpoint alarm
Tolerance: User defined setpoint
Delay: User defined
Reset Method: Manual or automatic
Visual Indication: Yes, LCD display
Network Indication: Yes

System Status Alarm

Type: Sensor diagnostic system trouble indication
Visual Indication: Yes, LCD display
Network Indication: Yes

Rack Mount Assembly

Standard 1U Rack Height Enclosure: 1.75H x 19W x 12D in. [44.5 x 482.6 x 304.8 mm]

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