ACI Balco RTD Duct

Features

  • 1/4″ diameter stainless steel probe with two, 22 AWG Etched Teflon-colored lead wires.
  • Manufactured using ACI’s proven double encapsulation process to eliminate the effects of moisture on the sensors as well as increased thermal response times from our high-quality, thermally conductive epoxy.
  • The duct-style sensor is a single-point sensor.
  • Designed to be used in smaller duct applications and includes an insulation pad for sealing the duct and dampening vibration.
  • The sensor length should be determined by the width or diameter of your duct.
  • Our standard enclosure options include the galvanized junction box “-GD” or plastic duct enclosure with the hinged cover “-PB”.
  • This series can be ordered with optional NEMA/IP-rated weatherproof enclosures.
  • NIST Certificates as referenced in the ordering grid.
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Automation Components, Inc. (ACI) creates, manufactures, and distributes building automation sensors for the heating, ventilation, and air conditioning (HVAC) Industry. Dpstar is ACI Authorised Distributor in Malaysia. Our product lines include Temperature Sensors, Relative Humidity Sensors, Current Sensors, Pressure Sensors, Gas Sensors, and Wireless Sensors.

The ACI Balco Duct Series features a 1/4″ diameter stainless steel probe with two, 22 AWG Etched Teflon-colored lead wires to differentiate the different sensor types. The Balco sensors are manufactured using ACI’s proven double encapsulation process to eliminate the effects of moisture on the sensors as well as increased thermal response times from our high-quality, thermally conductive epoxy. The duct-style sensor is a single-point sensor designed to be used in smaller duct applications and includes an insulation pad for sealing the duct and dampening vibration. For best results, the sensor length should be determined by the width or diameter of your duct such that the tip of the probe is in the approximate center of the duct. Our standard enclosure options include the galvanized junction box “-GD” or plastic duct enclosure with the hinged cover “-PB”. On larger ducts, you may want to refer to our Rigid or Bendable Copper Averaging sensor for increased sensing points and better temperature control. This series can be ordered with optional NEMA/IP-rated weatherproof enclosures and NIST Certificates as referenced in the ordering grid.

Applications

  • Roof Top Units
  • Air Handlers
  • Monitoring Supply/Discharge/Return/Mixed Air Temperatures

The ACI Balco RTD Duct Series is covered by ACI’s Five (5) Year Limited Warranty.

Specification

Sensor Type | Sensor Curve Balco RTD | PTC (Positive Temperature Coe cient)
Number Sensing Points One
Number Wires Two (Non-Polarity Sensitive)
Sensor Output @ 70ºF (21.1ºC) | Lead Wire Colors 1000 Ohms nominal | Orange/Yellow
Sensor Accuracy 70ºF (21.1ºC): +/- 1%
Temperature Coe cient (0-100ºC) 4618 ppm/ºC
Sensor Stability +/- 0.05% after 1000 Hours @ 150ºC (302ºF)
Response Time (63% Step Change) 8 Seconds nominal
Enclosure Speci cations (Operating Temperature Range, Material, Flammability, NEMA/IP Ratings) “-GD” Enclosure: -40 to 115ºC (-40 to 239ºF); Galvanized Steel; NEMA 1 (IP10)
“-PB” Enclosure: -30 to 90ºC (-22 to 194ºF); ABS Plastic; UL94-HB; Plenum Rated
“-BB” Enclosure: -40 to 115ºC (-40 to 239ºF); Aluminum; NEMA 3R (IP 14)
“-4X” Enclosure: -40 to 70ºC (-40 to 158ºF); Polystyrene Plastic; UL94-V2; NEMA 4X (IP 66)
Operating Temperature Range -40 to 115ºC (-40 to 239ºF)
Storage Temperature Range -40 to 85ºC (-40 to 185ºF)
Operating Humidity Range 10 to 95% RH, non-condensing
Probe Material | Flange Material 304 Stainless Steel | Galvanized Steel
Fitting Material | Flammability Rating Polyamide 66 (High Performance Nylon) | UL94-HB
Foam Pad Material | Flammability Rating Neoprene/EPDM/SBR Polymer | UL94-HBF; FMVSS-302; MIL-R-6130C
Lead Length | Conductor Size 4”, 6” & 8” Probes: 14” (35.6 cm) | 12” & 18” Probes: 24” (61cm) | 22 AWG (0.65mm)
Lead Wire Insulation | Wire Rating Etched Te on (PTFE) Colored Leads | MIL-W-16878/4 (Type E)
Conductor Material Silver Plated Copper
Probe Diameter 0.250” (6.35mm)
Product Dimensions | Product Weight See table on back of Product Datasheet
Agency Approvals CE, RoHS2, WEEE

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