22DTM-51
Details
Details
22DTM-51 Duct CO2, Humidity and Temperature Sensor, 0-10V
Dual-channel CO2 self-calibration; no manual calibration, and suited to spaces occupied 24/7.
CO2 range 0-2000 ppm, settable to 0-5000 ppm with the A-22G-A05 Bluetooth dongle.
Not for dusty or contaminated airstreams.
Key Features
- Voltage output: 3 x 0 to 5 V, 0 to 10 V, min. resistance 10k
- Measuring range temperature: 40 to 140 deg F (4 to 60 deg C)
- Measuring range humidity: 0 to 100% RH
Product Specifications
| Manufacturer | Belimo |
|---|---|
| Model | 22DTM51 (22DTM-51) |
| Output signal active CO2 | 0 to 5 V, 0 to 10 V |
| Output signal active temperature | 0 to 5 V, 0 to 10 V |
| Output signal active humidity | 0 to 5 V, 0 to 10 V |
| Display type | None |
| Probe length | 7 in. (180 mm) |
| Nominal voltage | 24 VAC/DC |
| Nominal voltage range | 19 to 29 VAC / 15 to 35 VDC |
| Power consumption AC | 4.3 VA |
| Power consumption DC | 2.3 W |
| Electrical connection | Pluggable spring-loaded terminal block max. 2.5 mm2 |
| Cable entry | Cable gland with strain relief dia. 6 to 8 mm (1/2 in. NPT conduit adapter included) |
| Application | Air |
| Voltage output | 3 x 0 to 5 V, 0 to 10 V, min. resistance 10k |
| Output signal active note | output 0 to 5/10 V with jumper adjustable |
| Measured values | CO2 relative humidity; Absolute humidity; Dew point; Enthalpies; Temperature |
| Sensing element technology CO2 | Non-dispersive infrared (NDIR) dual channel |
| Measuring range CO2 | default setting: 0 to 2000 ppm; With A-22G-A05: 0 to 5000 ppm |
| Accuracy CO2 | +/-(50 ppm + 3% of measured value) |
| Long term stability CO2 | +/-50 ppm p.a. |
| Calibration | Self-calibration; Dual-channel |
| Time constant CO2 (63%) in the air duct | Typical 33 s @ 1 m/s |
| Measuring range temperature | 40 to 140 deg F (4 to 60 deg C) |
| Accuracy temperature | +/-0.5 deg F @ 77 deg F (+/-0.3 deg C @ 25 deg C) |
| Long-term stability temperature | +/-0.09 deg F p.a. @ 70 deg F (+/-0.05 deg C p.a. @ 21 deg C) |
| Time constant temperature (63%) in the air duct | Typical 125 s @ 3 m/s |
| Sensing element technology humidity | Polymer-based capacitive sensor with stainless steel wire mesh filter |
| Measuring range humidity | 0 to 100% RH |
| Accuracy humidity | +/-2% between 0 to 80% RH @ 77 deg F (25 deg C) |
| Long term stability humidity | +/-0.3% RH p.a. @ 70 deg F (21 deg C) @ 50% RH |
| Time constant humidity (63%) in the air duct | Typical 10 s @ 3 m/s |
| Protection class IEC/EN | III, Safety Extra-Low Voltage (SELV) |
| Power source UL | Class 2 Supply |
| Degree of protection IEC/EN | IP65 |
| Degree of protection NEMA/UL | NEMA 4X |
| Enclosure | UL Enclosure Type 4X |
| EU Conformity | CE Marking |
| Certification IEC/EN | IEC/EN 60730-1 |
| Quality Standard | ISO 9001 |
| UL Approval | cULus acc. to UL60730-1A/-2-9/-2-13, CAN/CSA E60730-1/-2-9 |
| Type of action | Type 1 |
| Rated impulse voltage supply | 0.8 kV |
| Pollution degree | 3 |
| Ambient humidity | Max. 95% RH, non-condensing |
| Ambient temperature | 32 to 122 deg F (0 to 50 deg C) |
| Fluid humidity | Max. 95% RH, non-condensing |
| Fluid temperature | 32 to 122 deg F (0 to 50 deg C) |
| Operating condition airflow | min. 1 ft/s (0.3 m/s) max. 40 ft/s (12 m/s) |
| Cable gland | PA6, black |
| Housing | Cover: PC, orange; Bottom: PC, orange; Seal: NBR70, black; UV resistant |
| Probe material | PA6, black |
| Parts included | Mounting flange for duct sensor 19.5 mm, up to max. 248 deg F (120 deg C), plastic (A-22D-A34), 1/2 in. NPT conduit adapter |
| Weight | 0.62 lb (0.28 kg) |
