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Thermistors Room

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

Product overview

10,000 Ohm Thermistor (Type II), Room (R2), Setpoint, Override, 0 to 10K Ohms, Cool/Warm Sticker


  • Space Temperature Sensing
  • Decorative Wall Sensor Applications
  • Office Buildings
  • Schools
  • Colleges
  • Commercial Buildings
  • OEM Opportunities

Product specifications

Sensor Type:
Sensor Curve:
Non-Linear, NTC (Negative Temperature Coefficient)
Accuracy 0-70ºC (32-158ºF):
+/- 0.2°C (+/-0.36°F) A/10K-E1 Series: +/-0.3°C (+/-0.54°F) A/1.8K Series: +/-0.5°C @ 25°C (77°F) and +/-1.0°C (+/-1.8°F)
Sensor Dependent; Contact ACI for more information on specific sensor
Response Time (63% Step Change):
10 Seconds nominal
Power Dissipation Constant:
3 mW/°C A/1.8K Series: 1 mW/°C A/10K-E1 Series: 2 mW/°C
LCD Display Supply Voltage:
+9 to 35 VDC / 24 VAC (50-60 Hz)
LCD Display Supply Voltage:
< 4 mA / 0.12 VA
LCD Display Accuracy:
+/- 2°F or +/- 2°C @ 71°F (21.5°C) Typical
LCD Display Descriptor | Number of Digits:
°F (Fahrenheit) or °C (Celsius) | 3 1/2 Segment Display
LCD Display Life Expectancy:
50,000 Hours Minimum
Set Point Tolerance:
+/- 10% of Range
Override Option:
Short Thermistor (Default); Field (Jumper) Selectable “Dry Contact” Closure (Separate Input); Short Set Point available upon request
Operating Temperature Range:
1.5 to 50°C (35 to 122°F)
Storage Temperature Range:
Non-LCD: -40 to 65°C (-40 to 149°F), LCD Display: -10 to 65°C (14 to 149°F)
Operating Humidity Range:
10 to 95%RH, non-condensing
Connections | Wire Size:
Screw Terminal Blocks | 16 (1.31 mm) to 26 (0.129 mm) AWG
Terminal Block Torque Rating:
0.5 Nm (minimum); 0.6 Nm (maximum)
Enclosure Material | Color:
“-R2” Enclosure: ABS Plastic | White, UL94-HB “R” Enclosure: ABS Plastic | Beige UL94-HB
Product Weight:
A/XX-R/RS/RO Series: 0.14 lbs. (63.5g) A/XX-RSO Series: 0.18 lbs. (81.6g) A/XX-R2/R2S/R2O Series: 0.16 lbs. (72.6g) A/XX-R2SO Series: 0.20 lbs. (90.7g) AII LCD Display Units: 0.18 lbs. (81.6g)
Agency Approvals:
CE**, RoHS2, WEEE Note**: All LCD Display Units are not CE Compliant, but they are RoHS2 Compliant

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