ACI A/TT1K-D-12"-4-BB
SKU: CS6285548MPN: A/TT1K-D-12"-4-BBAlternate Part #: 118791
Transmitter w/ 1,000 Ohm RTD, Duct, 12”, NEMA 3R Enclosure, 4-20mA Output

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Product Details
Transmitter w/ 1,000 Ohm RTD, Duct, 12”, NEMA 3R Enclosure, 4-20mA Output
Product Configuration
| Length | 12” |
|---|---|
| Sensor | TT1K (XMTR, 1K Ω) |
| Enclosure | Aluminum, NEMA 3R |
Product Family Specifications
| Stability | +/- 0.03% after 1000 Hours @ 300ºC (572ºF) |
|---|---|
| Sensor Type | Platinum RTD |
| Number Wires | Two |
| Sensor Curve | PTC (Positive Temperature Coefficient) |
| Warm Up Time | 10 Minutes | Drift+/- 0.1% |
| Thermal Drift | Temp. Spans \< 100ºF (38ºC): +/- 0.04%/ºF Temp. Spans > 100ºF (38ºC): +/- 0.02% Temperature Drift is referenced to 71ºF nominal calibration temperature |
| Output Signals | Current: 4-20 mA (2-Wire Loop Powered) Voltage: 1-5 VDC or 2-10 VDC (3-Wires) |
| Probe Diameter | 0.250” (6.35mm) |
| Probe Material | 304 Stainless Steel |
| Agency Approvals | RoHS2, WEEE |
| Lead Wire Colors | A/TT100/TTM100 Series: Brown/Brown A/TT1K/TTM1K Series: Black/Black |
| Conductor Material | Silver Plated Copper |
| Number Sensing Points | One |
| Connections | Wire Size | Screw Terminal Blocks (Polarity Sensitive) | 16 AWG (1.31 mm2) to 26 AWG (0.129 mm2) |
| Maximum Load Resistance | (Terminal Voltage - 8.5 V) | 0.020 A |
| Operating Humidity Range | 10 to 90% RH, non-condensing |
| Min/Max Temperature Spans | Minimum Temp. Span: 50ºF (28ºC) Maximum Temp. Span: 500ºF (260ºC) |
| Storage Temperature Range | -40 to 85ºC (-40 to 185ºF) |
| Operating Temperature Range | -40 to 200ºC (-40 to 392ºF) |
| Sensor Tolerance | Accuracy | +/- 0.06% Class A | (Tolerance Formula: +/- ºC \= (0.15ºC + (0.002 * |t|)) where |t| is the absolute value of Temperature above or below 0ºC in ºC) |
| Enclosure Temperature Rating | “-GD” Enclosure: -40 to 115ºC (-40 to 239ºF), Galvanized Steel, NEMA 1 (IP10) “-PB” Enclosure: -30 to 100ºC (-22 to 212ºF), ABS Plastic, UL94-5VB, Plenum Rated “-BB” Enclosure: -40 to 115ºC (-40 to 239ºF), Aluminum, NEMA 3R (IP14) “-4X” Enclosure: -40 to 70ºC (-40 to 158ºF), Polystyrene Plastic, NEMA 4X (IP66) |
| Lead Length | Conductor Size | 14” (35.6 cm) | 22 AWG (0.65mm) |
| Sensor Output @ 0ºC (32ºF) | A/TT100/TTM100 Series: 100 Ohms nominal A/TT1K/TTM1K Series: 1000 Ohms nominal |
| Terminal Block Torque Rating | 0.37 ft-lb (0.5 Nm ) nominal |
| Calibrated Accuracy | Linearity | Temp. Spans \< 500ºF (260ºC): +/- 0.2% Temp. Spans > 500ºF (260ºC): +/- 0.5% Transmitter’s calibrated at 71ºF (22ºC) nominal |
| Response Time (63% Step Change) | 8 Seconds nominal |
| Lead Wire Insulation | Wire Rating | Etched Teflon (PTFE) Colored Leads | Mil Spec 16878/4 Type E |
| Din Standard | Temperature Coeffcient | DIN EN 60751 (IEC 751) | 3850 ppm / ºC |
| Fitting Material | Flammability Rating | Polyamide 66 (High Performance Nylon 66) | UL94-HB |
| TTM100/TTM1K NIST Certification Points | 3 Point NIST: 20%, 50% \& 80% of span 5 Point NIST: 20%, 35%, 50%, 65%, 80% of span |
| Foam Pad Material | Flammability Rating | Neoprene/EPDM/SBR Polymer | UL94-HBF; FMVSS-302; MIL-R-6130C |
| Transmitter Operating Temperature Range | -40ºF (-40ºC) to 185ºF (85ºC) |
| 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 |
| Matched Calibrated Temperature Spans (A/TTM models) Range | -45 to 155ºC (-49 to 311ºF) |
Specifications
| SKU | CS6285548 |
|---|---|
| MPN | A/TT1K-D-12"-4-BB |
| Alternate Part # | 118791 |



