TSENSE
Details
Details
Room CO2, RH, and Temp Transmitter, 0-2000 ppm, 0-10V, Relay, BACnet MS/TP or Modbus RTU
Needs 12 VDC or 24 VAC/DC power. Needs ABC self-calibration turned off where the space is occupied 24 hours a day. Needs the TTL-232R-3V3-AJ programming cable, sold separately, for BACnet or Modbus settings.
Key Features
- Coverage area: 7500 sq ft maximum
Product Specifications
| Manufacturer | ACI |
|---|---|
| Model | TSENSE |
| ACI item number | 135459 |
| Measurements | Carbon dioxide (CO2), temp, and RH |
| CO2 sensing method | Single beam non-dispersive infrared (NDIR) |
| CO2 sensing range | 0 to 2000 ppm, optional 0 to 3000 ppm |
| CO2 accuracy | +/-50 ppm at 1000 ppm, 63 to 82 deg F (17 to 28 deg C); typical full range +/-30 ppm +/-3% of reading |
| Extended range accuracy | Typically under +/-30 ppm +/-20% of measured value |
| CO2 repeatability | +/-20 ppm +/-1% of measured value |
| CO2 annual zero drift | +/-0.3% of measurement range |
| CO2 response time (T1/e) | Under 3 minutes diffusion time |
| CO2 calibration | Senseair ABC (automatic baseline correction); building CO2 must drop to 400 ppm some time each week, and ABC must be turned off where the space is occupied 24 hours a day |
| CO2 sensor life | Over 15 years typical |
| Temp range | 32 to 122 deg F (0 to 50 deg C) |
| Temp accuracy | +/-0.9 deg F at 63 to 82 deg F (+/-0.5 deg C at 17 to 28 deg C); +/-1.8 deg F at 32 to 122 deg F |
| Temp repeatability | +/-0.45 deg F at 63 to 82 deg F (+/-0.25 deg C at 17 to 28 deg C) |
| Temp response time | Under 6 minutes (air velocity 0.15 m/s) |
| RH sensor | Capacitive, 0 to 100% RH |
| RH accuracy | +/-5% at 20 to 80% RH |
| RH hysteresis / annual drift | +/-1% at 20 to 80% RH / under +/-0.5% RH |
| RH response time | Under 6 minutes (air velocity 0.15 m/s) |
| Analog outputs | Out 1 (CO2): 0-10V, 0 to 2000 ppm; Out 2 (temp): 0-10V, 32 to 122 deg F (0 to 50 deg C); Out 3 (RH): 0-10V, 0 to 100% RH |
| Analog output signal | Voltage 0-10V, ROUT under 100 ohm, load over 5k ohm; 10-bit resolution |
| Relay | Form C, SPDT, 1A at 50 VAC / 24 VDC; trip point 1000 ppm CO2 (factory set), deadband 100 ppm; input source CO2 (default), temp, or RH |
| Relay durability | Mechanical 100,000,000 operations minimum; electrical 100,000 operations minimum |
| Communication protocol | Modbus RTU or BACnet MS/TP; baud rates 9600, 19200, 38400, 57600, 76800, 115200; BACnet MAC address 0 to 127 (default 104) |
| Configuration | TTL-232R-3V3-AJ programming cable (sold separately) and UIP5 software; the cable is required for BACnet or Modbus settings |
| Display | None |
| Supply voltage | 12 VDC or 24 VAC/VDC +/-20% (half-wave rectified), 50/60 Hz |
| Power consumption | Under 0.35 W average, under 2 W maximum |
| Electrical connections | 0.00232 sq in. (1.5 mm2) screw terminals |
| Operating environment | Residential and commercial spaces |
| Operating temp / RH | 32 to 122 deg F (0 to 50 deg C), 0 to 95% RH non-condensing |
| Warm-up time | 1 minute; 15 minutes to full specifications |
| Coverage area | 7500 sq ft maximum |
| Mounting height | 4 to 6 ft off the floor |
| Enclosure | Bayblend FR3000 (PC/ABS blend), UL94V-0 |
| Dimensions (H x W x D) | 4.92 x 3.35 x 0.87 in. (125 x 85 x 22 mm) |
| Weight | 0.361 lb (0.166 kg) |
| Agency approvals | EMC directive 2004/108/EC, RoHS directive 2011/65/EU; complies with ASHRAE 189.1; compliant with CA Bill 841 |
| Warranty | 5-year limited |