ACI A/TT1K-D-12"-4-BB : Duct Temperature Sensor, 1K Ohms Temperature Transmitter, 4 to 20 mA Output, 12" Duct Probe, Aluminum NEMA 3R Enclosure, Made in USA
Specifications:
| Transmitter Supply Voltage | Supply Current: | +8.5 to 32 VDC (Reverse Polarity Protected) | 25 mA minimum 250 Ohm Load: +13.5 to 32 VDC | 500 Ohm Load: +18.5 to 32 VDC |
| Output Signals: | Current: 4-20 mA (2-Wire Loop Powered) |
| Calibrated Accuracy | Linearity: | Temp. Spans < 500°F (260°C): +/- 0.2% | Temp. Spans > 500°F (260°C): +/- 0.5% |
| Temperature Drift: | Temp. Spans < 100°F (38°C): +/- 0.04%/°F | Temp. Spans > 100°F (38°C): +/- 0.02% |
| Warm Up Time | Warm Up Drift: | 10 Minutes | +/- 0.1% |
| Transmitter Operating Temperature Range: | -40°F (-40°C) to 185°F (85°C) |
| Operating Humidity Range: | 0 to 90%, non-condensing |
| Calibrated Temperature Spans: | Minimum Temp. Span: 50°F (28°C) | Maximum Temp. Span: 500°F (260°C) |
| Connections | Wire Size: | Screw Terminal Blocks (Polarity Sensitive) | 16 AWG (1.31 mm2) to 26 AWG (0.129 mm2) |
| Terminal Block Torque Rating: | 0.37 ft-lb (0.5 Nm ) nominal |
| Sensor Type | Sensor Curve | Sensing Points: | Platinum RTD | PTC (Positive Temperature Coefficient) | One |
| Sensor Stability: | +/- 0.03% after 1000 Hours @ 300°C (572°F) |
| Enclosure Specifications (Operating Temperature Material, Flammability, NEMA/IP Ratings): | “-BB” Enclosure: Aluminum, -40 to 121oC (-40 to 250oF), Plenum Rated, NEMA 3R |
| Lead Length | Conductor Size: | 14” (35.6 cm) | 22 AWG (0.65mm) |
| Lead Wire Insulation | Wire Rating: | Etched Teflon (PTFE) Colored Leads | Mil Spec 16878/4 Type E |
Data Sheets
 | Technical Data Sheet – ACI Duct Transmitter Temperature Sensor |
| Instruction – ACI Duct Transmitter Temperature Sensor |
- Sensor Type:
- Duct
- Temperature Element:
- Transmitter
- Probe Length:
- 12
- Enclosure:
- Aluminum NEMA 3R Enclosure
- Supported Protocols:
- None
- Humidity Element:
- None
- CO2 Element:
- None
- Setpoint:
- No Setpoint
- Override:
- No
- Display:
- No Display
