ACI A/TT1K-O-2-4X
SKU: CS6285506MPN: A/TT1K-O-2-4XAlternate Part #: 118639
Transmitter w/ 1,000 Ohm RTD, Outside Air, NEMA 4X Enclosure, 2-10VDC Output

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Product Details
Transmitter w/ 1,000 Ohm RTD, Outside Air, NEMA 4X Enclosure, 2-10VDC Output
Product Configuration
| Sensor | TT1K (XMTR, 1K Ω) |
|---|---|
| Enclosure | NEMA 4X |
| Board Enhancement | None |
| Transmitter Output | 2-10VDC |
Product Family Specifications
| NEMA Rating | IP68 (NEMA 4X) |
|---|---|
| Thermal Drift | Temp. Spans \< 100ºF (38ºC): +/- 0.04%/ºF | Temp. Spans > 100ºF (38ºC): +/- 0.02%/ºF |
| Output Signals | Current: 4-20 mA (2-Wire, Loop Powered) | Voltage: 1-5 VDC or 2-10 VDC (3-Wires) |
| Product Weight | A/TT/TTM-O-EH Series: 0.49 lbs. (0.222 kg) | A/TT/TTM-O-4X Series: 0.41 lbs. (0.180 kg); A/TT/TTM-O-BB Series: 0.79 lbs. (0.358 kg) | “-POT” Option: +0.12 lbs. (0.055 kg) to other weights |
| Sensor Accuracy | (Class A Tolerance Formula: +/- ºC \= (0.15ºC + (0.002 * |t|)) where |t| is the absolute value of Temperature above or below 0ºC in ºC) |
| Agency Approvals | RoHS2, WEEE |
| Lead Wire Colors | 100 Ohms (Brown/Brown) | 1000 Ohms (Black/ Black) |
| Conductor Material | Silver Plated Copper |
| Number Sensing Points | One |
| Maximum Load Resistance | (Terminal Voltage - 8.5 V) | 0.020 A |
| Operating Humidity Range | 0 to 100% RH |
| Min/Max Temperature Spans | Minimum Temp. Span: 50ºF (28ºC) | Maximum Temp. Span: 300ºF (148ºC) |
| Storage Temperature Range | -40 to 71ºC (-40 to 160ºF) |
| Sensor Type | Sensor Curve | Platinum RTD | PTC (Positive Temperature Coefficient) |
| Operating Temperature Range | -40 to 71ºC (-40 to 160ºF) |
| Lead Length | Conductor Size | 14” (35.6cm) | 22 AWG (0.65mm) |
| Platinum RTD Tolerance Class | +/- 0.06% Class A |
| Terminal Block Torque Rating | 0.37 ft-lb (0.5 Nm ) nominal |
| Wiring Connections / Wire Size | Screw Terminal Blocks (Polarity Sensitive) | 16 AWG (1.31 mm2) to 26 AWG (0.129 mm2 |
| Calibrated Accuracy | Linearity | Temp. Spans \< 500ºF (260ºC): +/- 0.2% |
| TT Warm Up Time | Warm Up Drift | 10 Minutes | +/- 0.1% |
| Lead Wire Insulation | Wire Rating | Etched (PTFE) Teflon Colored Leads | MIL-W-16878/4 (Type E) |
| Din Standard | Temperature Coeffcient | DIN EN 60751 (IEC 751) | 3850 ppm / ºC |
| Fitting Material | Flammability Rating | Polyamide 6.6 | UL94-V2 (Included with “-4X” enclosure option only) |
| TTM100/TTM1K NIST Certification Points | 3 Point NIST: 20%, 50% \& 80% of span | 5 Point NIST: 20%, 35%, 50%, 65%, 80% of span |
| Transmitter Operating Temperature Range | -40ºF to 185ºF (-40 to 85ºC) |
| Nominal Sensor Resistance @ 32ºF (0ºC) | A/TT/TTM100 Series: 100 Ohms | A/TT/TTM1K Series: 1000 Ohms |
| 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 |
| Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating) | “-EH” Enclosure: PC/ASA Plastic w/ UV Protectant; -40 to 88ºC (-40 to 190ºF); UL94-V0 “-4X” Enclosure: Polystyrene Plastic, -40 to 70ºC (-40 to 158ºF), UL94-V2, NEMA 4X (IP 66) “-BB” Enclosure: Aluminum, -40 to 121ºC (-40 to 250ºF), NEMA 3R |
Specifications
| SKU | CS6285506 |
|---|---|
| MPN | A/TT1K-O-2-4X |
| Alternate Part # | 118639 |




