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Thermistors Outside Air

This product is covered by ACI's Five (5) Year Limited Warranty. Learn more

Product overview

10,000 Ohm Thermistor (Type III), Outside Air, Euro Enclosure


  • Outside Air Temperature Sensing
  • Cold Storage Facilities
  • High Dew Point/Condensing Environments

Product specifications

Sensor Type | Sensor Curve:
Thermistor | Non-Linear, NTC (Negative Temperature Coefficient)
Number Sensing Points:
Number Wires:
Two (Non-Polarity Sensitive)
Nominal Thermistor Resistive Output @ 77°F (25°C) (Lead Wire Colors):
A/1.8K: 1.8KΩ nominal | (Red/Yellow) A/2252: 2.252KΩ nominal | (White/Red) A/3K: 3KΩ nominal | (White/Brown) A/5K: 5KΩ nominal | (Red/Gray) A/AN (Type III): 10KΩ nominal | (White/White) A/AN-BC: 5.238KΩ nominal | (White/Yellow) A/CP (Type II): 10KΩ nominal | (White/Green) A/CSI: 10KΩ nominal | (Green/Yellow) A/10KS: 10KΩ nominal | (White/Blue) A/10K-E1: 10KΩ nominal | (Orange/Gray) A/20K: 20KΩ nominal | (Brown/Blue) A/50K: 50KΩ nominal | (Brown/Yellow) A/100KS: 100KΩ nominal | (Black/Yellow)
Accuracy 0-70ºC (32-158ºF):
+/-0.2ºC (+/-0.36ºF) except A/10K-E1 Series: +/-0.3ºC (+/-0.54ºF) A/1.8K Series: +/-0.5ºC @ 25ºC (77ºF) and (+/-1.0ºC) (+/-1.8ºF)
Power Dissipation Constant:
3 mW/ºC except A/1.8K Series: 1 mW/ºC | A/10K-E1 Series: 2 mW/ºC
Response Time (63% Step Change):
25 Seconds nominal
Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating):
“-EH” Enclosure: PC/ASA Plastic w/ UV Protectant; -40 to 88ºC (-40 to 190ºF); UL94-V0 “-4X” Enclosure: Polystyrene Plastic, -40 to 70ºC (-40 to 158ºF), UL94-V2, NEMA 4X (IP 66) “-BB” Enclosure: Aluminum, -40 to 121ºC (-40 to 250ºF), NEMA 3R
Operating Temperature Range:
-40 to 70ºC (-22 to 158ºF)
Storage Temperature Range:
-40 to 70ºC (-22 to 158ºF)
Operating Humidity Range:
10 to 100% RH
Lead Length | Conductor Size:
14” (35.6cm) | 22 AWG (0.65mm)
Lead Wire Insulation | Wire Rating:
Etched Teflon (PTFE) Colored Leads | MIL-W-16878/4 (Type E)
Conductor Material:
Silver Plated Copper
Product Weight:
A/XX-O-EH: 0.46 lbs. (0.21kg) | A/XX-O-4X: 0.38 lbs. (0.17kg) | A/XX-O-BB: 0.76 lbs. (0.35kg)
Agency Approvals: