BELIMO Belimo 22DTC-51 Duct Quality Sensor
BELIMO Belimo 22DTC-51 Duct Quality Sensor

Belimo 22DTC-51 Duct Quality Sensor

BELIMO
Brand: BELIMO
SKU: 22DTC-51
Availability: Out Of Stock
$536.58
$536.58
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Description

Product Description

The BELIMO 22DTC-51 is an active sensor for measuring CO2 with an integrated temperature sensor, featuring dual-channel CO2 technology. Designed for duct mounting with a NEMA 4X rated enclosure, it includes a CO2 gas sensor and a conduit adapter. Field selectable with an output voltage signal range of 0 to 5V and 0 to 10V.

  • Active Sensor For Measuring CO? Or With Integrated Temperature Sensor.
  • Dual Channel CO? Technology.
  • CO2 Gas, Conduit Adaptor, Field Selectable

Product Highlights

The BELIMO 22DTC-51 is ideal for combined duct CO2 and temperature monitoring, especially in demand-controlled ventilation systems.

Product Information

Standard Information

  • Brand: BELIMO
  • Manufacturer Part Number: 22DTC-51
Technical Specifications
Mounting
Single-hole duct penetration; A-22D-A34 plastic mounting flange (up to 248°F / 120°C) included
Enclosure
NEMA 4X / IP65 (UL Enclosure Type 4X), UL 2043 plenum compliant
Probe Lead
5-7
Configuration
Duct
Sensors Application
Gas Specialty, Temperature
Output Voltage Signal Range
0 To 5 V, 0 To 10 V
Application
Greenhouse,Laboratory,Food & Beverage,IAQ,Parking Garage,Agricultural
Degree of Protection
IP65 NEMA4X
Electrical Connection
Pluggable spring-loaded terminal block, max 2.5 mm²
Measured Values
CO2, Temperature
Measuring Range Temperature
40...140B0F [4...60B0C]
Measuring Range Velocity
Min. 1 ft/s [0.3 m/s] Max. 40 ft/s [12 m/s]
Mounting Type
Single Point
Output Signal
Voltage
Probe Length
7" [180 mm]
Product Type
Sensor
Sensor Type
Air quality
Voltage AC/DC
AC/DC24V
Gas Type
CO2
Sensor Style
Active duct insertion sensor — CO2 + Temperature
Output Signals
2× 0-5V or 0-10V (jumper-selectable per channel, min 10 kΩ load)
CO2 Sensing Technology
NDIR (non-dispersive infrared), dual-channel with self-calibration
CO2 Measuring Range
0-2000 ppm default; 0-5000 ppm with A-22G-A05 accessory
CO2 Accuracy
±(50 ppm + 3% of measured value)
CO2 Long-Term Stability
±50 ppm per year
CO2 Time Constant τ (63%)
Typical 33 s @ 1 m/s air velocity
Temperature Sensing Element
Active Pt 1000 platinum RTD
Temperature Measuring Range
40–140°F (4–60°C)
Temperature Accuracy
±0.5°F (±0.3°C) at 77°F
Temperature Time Constant τ (63%)
Typical 125 s @ 3 m/s
Hardware Revision
A-22D-A34 with 1/2" NPT conduit adapter (2024 revision)
NFC Configuration
Yes — Belimo Duct Sensor Assistant App (iOS / Android)
Operating Air Flow
min. 1 ft/s (0.3 m/s); max. 40 ft/s (12 m/s)
Conduit
1/2" NPT conduit adapter included + ø6-8 mm cable gland with strain relief
Power Supply
24 VAC/VDC (19–29 VAC, 15–35 VDC)
Power Consumption
4.3 VA AC / 2.3 W DC
Cable Entry
Cable gland with strain relief, ø6...8 mm
Housing
UV-resistant polycarbonate, orange — UL94 5VA
Probe Material
PA6, black
Protection Class
IEC/EN III, SELV; UL Class 2 supply
Certification
IEC/EN 60730-1, CE Marking
Manufacturer
Belimo
Manufacturer Part Number
22DTC-51
Warranty
5 years
Display
No
Measurement Range
CO2: 0 to 2000 ppm
Supply Voltage
24 VAC, ±10%, 2.9 VA (15...24 VDC, ±10%, 1.5 W)
Humidity
85% RH non-condensing
Temperature
±1% of measuring range @ 70°F [21°C]
Accuracy
CO2: ±75 ppm; >750 ppm: ±10% of measuring value
Operating Temperature
32°F to 120°F [0°C to 50°C]
Signal Output
DC 0-5V, DC 0-10V, 4-20 mA
Sensing Technology
NDIR (non-dispersive infrared) with stainless steel wire mesh filter, dual channel calibration
Weight
0.26 lbs
Approvals
IEC/EN, ISO 9001, UL 2043, UL 50
Item Number
22DTC-51
Brand
Belimo
Sensor Configuration
Duct
Sensor
CO2 Carbon Dioxide
BELIMO Belimo 22DTC-51 Duct Quality Sensor

BELIMO

Belimo 22DTC-51 Duct Quality Sensor

$536.58
BELIMO Belimo 22DTC-51 Duct Quality Sensor

BELIMO

Belimo 22DTC-51 Duct Quality Sensor

$536.58

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