ACI Balco RTD Immersion

Features

  • ¼” diameter stainless steel probe with two, 14-inch 22 AWG Etched Teflon colored lead wires.
  • The immersion sensors come standard with a welded thermowell “-I” version but can also be ordered without the thermowell “-INW” version.
  • The “-INW” Version includes a standard ½” NPS (National Pipe Straight) process thread to be used with an optional machined thermowell or in an existing thermowell application.
  • This series can be ordered with optional NEMA-rated weatherproof enclosures.
  • NIST Certificates as referenced on the back of the product datasheet.
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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 Immersion Series features a ¼” diameter stainless steel probe with two, 14-inch 22 AWG Etched Teflon colored lead wires to differentiate the many different sensor types. The sensors in this series are manufactured using ACI’s proven double encapsulation process to eliminate the effects of moisture upon the sensors and to increase the thermal response times using our high-quality, thermally conductive epoxy. The immersion sensors come standard with a welded thermowell “-I” version but can also be ordered without the thermowell “-INW” version. The “-INW” Version includes a standard ½” NPS (National Pipe Straight) process thread to be used with an optional machined thermowell or in an existing thermowell application. This series can be ordered with optional NEMA-rated weatherproof enclosures and NIST Certificates as referenced on the back of the product datasheet.

Applications

  • Chilled Water Systems
  • Hot Water Systems
  • Boilers, Pumps
  • Compressor
  • Chillers

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

Specification

Sensor Type | Sensor Curve Balco RTD | PTC (Positive Temperature Coefficient)
Number Sensing Points One
Number Wires Two (Non-Polarity Sensitive)
Sensor Output @ 70°F (21°C) | Lead Wire Colors 1000 Ohms nominal | (Orange/Yellow)
Sensor Accuracy 70°F (21°C): +/- 1%
Temperature Coe cient (0-100°C) 4618 ppm/°C
Sensor Stability +/- 0.05% after 1000 Hours @ 150°C (302°F)
Response Time (63% Step Change) 8 Seconds nominal
Operating Current (Maximum) 5 mA
Sensor Operating Temperature Range -40 to 121°C (-40 to 250°F)
Enclosure Speci cations (Temperature, Flammability, NEMA/IP Ratings) “-GD” Enclosure: Galvanized Steel, -40 to 121°C (-40 to 250°F), NEMA 1 (IP10)
“-PB” Enclosure: ABS Plastic, -30 to 90°C (-22 to 194°F), UL94-HB
“-BB” Enclosure: Aluminum, -40 to 121°C (-40 to 250°F), Plenum Rated, NEMA 3R
“-4X” Enclosure: Polystyrene Plastic, -40 to 70°C (-40 to 158°F), UL94-V2, NEMA 4X (IP 66)
Storage Temperature Range -40 to 85°C (-40 to 185°F)
Operating Humidity Range 10 to 95% RH, non-condensing
Probe Diameter | Thermowell Bore Diameter 0.250” (6.35mm) | 0.260”
Probe Material | Thermowell Material 304 Stainless Steel | 304 Series Stainless Steel
Thermowell Instrument Thread | Process Thread ½” NPS (National Pipe Straight) Thread | ½” NPT (National Pipe Tapered) Male Thread
Fitting Material | Flammability Rating Polyamide 66 (High Performance Nylon 66) | UL94-HB
Fitting Thread Size ½” NPS (National Pipe Straight) Male Thread
Foam Pad Material | Flammability Rating Neoprene/EPDM/SBR Polymer | UL94-HBF; FMVSS-302; MIL-R-6130C
Lead Length | Conductor Size 14” (35.6 cm) | 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 Datasheet
Agency Approvals CE, RoHS2, WEEE

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