HTx104-F (/SI & /DI) Advantage IV Hybrid Series

Advantage III

Hybrid Series

HTx104-F (/SI & /DI)

SWSI or DWDI Fan Airflow Measurement with Temperature and Alarm Capability

HTx104-F/SI or DI

Advantage IV

Hybrid Series

HTx104-F (/SI & /DI)

SWSI or DWDI Fan Airflow Measurement with Temperature and Alarm Capability

The HTx104-F/SI and HTx104-F/DI are EBTRON’s most economical solution for accurate and repeatable airflow measurement in SWSI and DWDI fans. Airflow, temperature and/or airflow alarming are available on all models. Does not affect fan performance.

Thermal Dispersion Technology
Designed for SWSI and DWDI Fans
NIST‐traceable Calibration
%‐of‐reading Accuracy
Airflow and Status Alarm
Temperature Output Capability

Analog and RS‐485 Output Models
Throat, Face, and Forward Mounting
Remote Transmitter with LCD Display
3-year Warranty

HTx104-F(/SI & /DI) Overview PDF

Overview
Specifications

Typical Applications

Fan Airflow Tracking
Air Change Verification & Monitoring
Fan Performance Monitoring

Benefits

Demonstrate Fan Performance and Operation
Improve Fan Tracking on VAV Systems
Comply with ASHRAE Standards
Save Energy
Reduce Fan Horsepower

Product Highlights

Accurate and Repeatable
Long-term Stability
Streamline Design
Adjustable Mounting Brackets
“Plug and Play” Operation
Intuitive User Interface
FEP Plenum Rated Cables

General

Probe and Sensor Node Configurations

SWSI and DWDI fans: 2 probes x 1 sensor node/per probe in each fan inlet

Installed Airflow Accuracy¹

±(3% to 10%) of reading, depending on fan type and installation. May be improved by field adjustment using the Field Adjust Wizard (FAW) to a reliable reference.

Sensor Node Averaging Method

Airflow: Independent, arithmetic average

Temperature: Independent, velocity weighted or arithmetic average

Listings

UL: UL-873 and CSA C22.2 No. 24

CE: European shipments only (EB-Link not available)

BACnet International: BTL Listed (HTN104 transmitters)

FCC:This device complies with Part 15 of the FCC rules

RoHS:This device id RoHS2 compliant

Environmental Limits

Probes: -20 to 160 ⁰F [-28.9 to 71.1 ⁰C]

Transmitter: -20 to 120 ⁰F [-28.9 to 48.9 ⁰C]

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

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

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: 0 to 10,000 fpm [0 to 50.8 m/s]

Calibration Points: 16

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

Sensor Probe Assembly

Mounting Rods

Material: Zinc plated steel

Mounting Brackets

Material: 304 stainless steel

Mounting Options & Size Limits

Throat: 6 to 66 inches [152.4 to 1676.4mm] (throat diameter)

Forward: 6 to 64 inches [152.4 to 1625.6 mm] (diameter at inlet entrance)

Face: 11 to 77 inches [279.4 to 1955.8] (diameter at inlet entrance)

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, 25, and 50 ft. [3.1, 7.6 and 15.2 m]

Connecting Plug: 0.60” [15.24 mm] circular DIN

Transmitter

Power Requirement:

24 VAC (22.8 to 26.4 under load) @11V-A

PCB Connections:

Gold-plated PCB interconnects and test points

User Interface:

16-character LCD display and 4 button interface

B.A.S. Connectivity Options

HTA104 Transmitter: Two field selectable (0-5/0-10 VDC or 4-20mA), scalable and isolated analog output signals (AO1=airflow, AO2=temperature or alarm)

HTN104 Transmitter: One field selectable (BACnet MS/TP or Modbus RTU) and isolated RS-485 network connection- Individual sensor node airflow rates and temperatures are available via the network

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

Network Indication: Yes (HTN104 only)

Analog Signal Indication: Yes, on AO2 assignment (HTA104 only)

System Status Alarm

Type: Sensor diagnostic system trouble indication

Visual Indication: Yes, LCD display

Network Indication: Yes (HTN104 only)

Analog Signal Indication: Yes, on AO2 assignment (HTA104 only)

¹ Installed airflow accuracy is the actual system accuracy expected and includes sampling uncertainty of the sensor probes.