ACI Platinum RTD Rigid Probe Averaging

Features

  • Stainless steel probe with Etched Teflon colored lead wires to differentiate the different sensor types.
  • The three-wire “-3W” option should be ordered when using with a 3-Wire temperature transmitter or sensor configuration on your building management system or PLC (Programmable Logic Controller).
  • Include a continuous sensing element, which covers the entire length of the probe for a better average temperature over the entire length of the sensor when compared to that of a single point duct sensor or multi-point averaging sensor.
  • These sensors are hermetically sealed with epoxy to ensure that moisture and other contaminants can’t affect the sensing element.
  • The Rigid Averaging sensor also includes a foam pad to seal the duct and dampen vibrations once installed.
  • The sensor length determined by the width or diameter of your duct
  • Our standard enclosure options include the “-GD” galvanized or “-PB” plastic duct enclosure with hinged cover.
  • On larger ducts, our Platinum bendable copper averaging sensor can be used for larger ducts and increased coverage area.
  • This series can be ordered with optional NEMA/IP rated weather proof enclosures and 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 Platinum Rigid Averaging features a stainless steel probe with Etched Teflon colored lead wires to differentiate the different sensor types. The three-wire “-3W” option should be ordered when using with a 3-Wire temperature transmitter or sensor configuration on your building management system or PLC (Programmable Logic Controller). The purpose of the 3rd wire is to compensate for external lead wire resistance that affects the accuracy of your sensor output. ACI recommends the use of 18 AWG lead wires to reduce external lead wire resistance when using a Platinum RTD. The rigid averaging sensors include a continuous sensing element, which covers the entire length of the probe. This allows for a better average temperature over the entire length of the sensor when compared to that of a single point duct sensor or multi-point averaging sensor. These sensors are hermetically sealed with epoxy to ensure that moisture and other contaminants can’t affect the sensing element. The Rigid Averaging sensor also includes a foam pad to seal the duct and dampen vibrations once installed. The sensor length should be determined by the width or diameter of your duct such that the sensor covers most of the internal width or height of the duct. Our standard enclosure options include the “-GD” galvanized or “-PB” plastic duct enclosure with hinged cover. On larger ducts, our Platinum bendable copper averaging sensor can be used for larger ducts and increased coverage area. This series can be ordered with optional NEMA/IP rated weather proof enclosures and NIST Certificates as referenced in the ordering grid.

Applications

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

The ACI Platinum RTD Rigid Probe Averaging Series is covered by ACI’s Five (5) Year Limited Warranty.

Specification

Sensor Type | Sensor Curve Platinum RTD | PTC (Positive Temperature Coe cient)
Number Sensing Points Continuous
Number Wires A/1K-2W-RA-xx”: Two (Non-Polarity Sensitive) | A/1K-3W-RA-xx”: Three (Polarity Sensitive)
Sensor Output @ 0ºC (32ºF) 1000 Ohms nominal
Sensor Accuracy +/- 0.1% @ 0ºC (32ºF) | +/- 0.25% @ 21ºC (70ºF) | +/- 1.0% @ 130ºC (266ºF)
Temperature Coefficient 3850 ppm / ºC
Response Time (63% Step Change) 15 Seconds nominal
Sensor Operating Temperature Range -40 to 135ºC (-40 to 275ºF)
Enclosure Speci cations (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)
Storage Temperature Range -40 to 85ºC (-40 to 185ºF)
Operating Humidity Range 10 to 95% RH, non-condensing
Probe Material 304 Series Stainless Steel
Probe Diameter 0.250” (6.35mm)
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 12” (30.5cm) | 22 AWG (0.65mm)
Lead Wire Insulation | Wire Rating Etched Te on (PTFE) Colored Leads | Mil Spec 16878/4 Type E)
Conductor Material Silver Plated Copper
Product Dimensions | Product Weight See table on back of Product Data Sheet
Agency Approvals CE, RoHS2, WEEE

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