Advantage IV

Gold Series
GTx116-P+
Airflow Measurement with Temperature & Alarm Capability
A4 GTX116 System
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Advantage IV

Gold Series
GTx116e-PC
Airflow and Temperature Measurement Device with Integral Relative Humidity Sensor (with /H option)

The GTx116e-PC is EBTRON’s top-of-the-line solution for accurate and repeatable measurement in ducts and plenums. Ruggedized RH sensor option (/H), onboard barometric pressure sensor and velocity-weighted temperature results in accurate enthalpy and dew point calculations. Ideal for supply, return and outdoor air intake applications on systems with an airside economizer. Bluetooth® low energy technology interface.

  • Thermal Dispersion Airflow Technology
  • Supports up to 16 Sensor Nodes
  • NIST-traceable Calibration
  • %-of-reading Airflow Accuracy
  • Airflow and Status Alarms
  • Velocity-weighted Temperature
  • Output %RH, Enthalpy or Dew Point¹
  • Three Mounting Styles
  • Remote Transmitter with LCD Display
  • 3-year Warranty

¹ Requires /H option

Typical Applications

  • Outdoor Air Delivery  Monitoring and Control
  • Differential Airflow Tracking for Building Pressurization Control
  • Airside Economizer Enthalpy Switchover Detection
  • Supply Air Humidity Monitoring and Control

Benefits

  • Comply with ASHRAE Standards and Building Codes
  • Satisfy LEED Prerequisites and Credits
  • Provide Acceptable IAQ
  • Save Energy
  • Reduce Liability
  • Improve Economizer Performance

Product Highlights

  • Best Installed Accuracy
  • Low Airflow Capability
  • Volumetric or Mass Airflow Measurement
  • Long-term Stability
  • “Plug and Play” Operation
  • Intuitive User Interface
  • Waterproof Sensor Assembly
  • FEP Plenum Rated Cables

General

Probe and Sensor Node Configurations (max.)

2 probes x 8 sensor nodes/probe
4 probes x 4 sensor nodes/probe

Installed Airflow Accuracy¹

Ducts/Plenum: ±3% of reading
Non-ducted OA Intakes: better than or equal to ±5% of reading

PC Sensor Density

Refer to the PC sensor density table.

Sensor Node Averaging Method

Airflow: Independent, arithmetic average
Temperature: Independent, velocity weighted or arithmetic average

Listings

UL: UL 60730-1; CAN/CSA-E60730-1-15
CE: European shipments only
BACnet International: BTL Listed (GTC116e and GTM116 transmitters)
FCC: This device complies with Part 15 of the FCC rules
RoHS: This device id RoHS2 compliant

Environmental Limits

Temperature:
Probes: -20 to 160 ºF [-28.9 to 71.1 ºC]
Transmitter: -20 to 120 ºF [-28.9 to 48.9 ºC]
Humidity: (non-condensing)
Probes: 0 to 100%
Transmitter: 5 to 95%

Individual Sensing Nodes

Sensing Node Sensors

Self-heated sensor: Precision, hermetically sealed, bead-in-glass thermistor probe
Temperature sensor: Precision, hermetically sealed, bead-in-glass thermistor probe

Sensing Node Housing

Material: Glass-filled Polypropylene (Kynar® with /SS option)
Sensor Potting Materials: Waterproof marine epoxy

Sensing Node Internal Wiring

Type: Kynar® coated copper

Airflow Measurement

Accuracy: ±2% of reading to NIST-traceable airflow standards (includes transmitter uncertainty)
Calibrated Range: 0 to 5,000 fpm [25.4 m/s]
Calibration Points: 16

Temperature Measurement

Type: Velocity-weighted average
Accuracy: ±0.15⁰F [0.08 ⁰C] to NIST-traceable temperature standards (includes transmitter uncertainty)
Calibrated Range: -20 to 160 ⁰F [-28.9 to 71.1 ⁰C]

Optional Relative Humidity Sensor (/H Option)

Type: Ruggedized capacitive polymer RH sensor
Accuracy: @ 77 0F [25 0C]
20to80%RH:±2%RH
0to20and80to100%RH:±3.5%RH
Temperature Coefficient: 0.07%/0F [0.13%/0C]
Long Term Drift: 0.5% RH/year
Calculated Measurements: Enthalpy and dew point using measured RH, velocity-weighted temperature and on-board barometric pressure sensor.

Sensor Probe Assembly

Tube

Material: Gold anodized 6063 aluminum (316 stainless steel with /SS option)

Mounting Brackets

Material: 304 stainless steel

Mounting Options & Standard Size Limits²

Insertion : 6 to 191 in. [152.4 to 4851 mm]
Stand-off: 6 to 190 in. [152.4 to 4826 mm]
Internal: 8 to 194 in. [203.2 to 4928 mm]

Probe to Transmitter Cables

Type: FEP jacket, plenum rated CMP/CL2P, UL/cUL listed, -67 to 392 ⁰F [-55 to 200 ⁰C], UV tolerant
Standard Lengths: 10, 15, 20, 25, 30, 40 and 50 ft. [3.1, 4.6, 6.1, 7.6, 9.1, 12.2, and 15.2 m]
Connecting Plug: 13/16” [20.63 mm] nominal diameter with gold-plated connector pins

Transmitter

Power Requirement:

24 VAC (22.8 to 26.4 under load) @20V-A

Connector Receptacle Pins and PCB Connections:

Gold-plated receptacle pins, PCB interconnects, PCB edge fingers, and test points

User Interface:

2 line x16-character backlit LCD display and 4 button interface

B.A.S. Connectivity Options

GTA116e Transmitter: Three field selectable (0-5/0-10 VDC or 4-20mA), scalable and isolated analog output signals (AO1=airflow, AO2=temperature or alarm, AO3=%RH, enthalpy or dew point).

Airflow Alarm

Type: Low and/or high user defined setpoint alarm
Tolerance: User defined % of setpoint
Delay: User defined
Zero Disable: Alarm can be disabled when the airflow rate falls below the low limit cutoff value (unoccupied periods)
Reset Method: Manual or automatic
Visual Indication: Yes, LCD display
Analog Signal Indication: Yes, on AO2 assignment

System Status Alarm

Type: Sensor diagnostic system trouble indication
Visual Indication: Yes, LCD display
Analog Signal Indication: Yes, on AO2 assignment

EB-Link Bluetooth Interface for Android® and iPhone®:

Display real-time airflow, velocity-weighted temperature, humidity, enthalpy, dew point, individual sensor node airflow/temperature data, settings and diagnostics.
¹ Installed airflow accuracy allows for additional uncertainty that results from averaging a finite number of sensors in a contorted velocity profile created from up and downstream disturbances. The specified installed accuracy is based on the P+ sensor density rules for installations that meet or exceed EBTRON minimum placement requirements. P+ sensor density rules may not be available for all duct sizes due to sensor placement limitations (see P+ sensor density tables for more information).
² Custom probes are available up to 192 inches. Sensing nodes/probe limitations apply on sizes greater than 120 inches to ensure structural stability of the probe tube and may not meet P+ sensor density rules. Contact factory for more information.
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