ACI A/TT1K-RS-4
SKU: CS6285531MPN: A/TT1K-RS-4Alternate Part #: 118738
Transmitter w/ 1,000 Ohm RTD, Room (R) with Setpoint, 4-20mA Output

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Product Details
Transmitter w/ 1,000 Ohm RTD, Room (R) with Setpoint, 4-20mA Output
Product Configuration
| Sensor | TT1K (XMTR, 1K Ω) |
|---|---|
| Display | None |
| Enclosure | Room (R) |
| Configuration | Room w/ Setpoint |
| Setpoint Options | None |
| Transmitter Output | 4-20mA |
Product Family Specifications
| Input | 4 to 20 mA Only (2-Wire Loop Powered) |
|---|---|
| Stability | +/- 0.03% after 1000 hours @ 300°C (572°F) |
| Sensor Type | Platinum RTD |
| Number Wires | Two |
| Sensor Curve | PTC (Positive Temperature Coefficient) |
| Output Signals | Current: 4-20 mA (2-Wire Loop Powered) Voltage: 1-5 VDC or 2-10 VDC (3-Wires) |
| Product Weight | “-R/RS/RO” Series: 0.17 lbs. (0.375 kg) “-RSO” Series: 0.21 lbs. (0.46 kg) “-R2/R2S/R2O” Series: 0.19 lbs. (0.42 kg) “-R2SO” Series: 0.23 lbs. (0.51 kg) All LCD Display Units: 0.174 lbs (0.079 kg) |
| Sensor Accuracy | +/- 0.06% Class A | (Tolerance Formula: +/- °C \= (0.002 * |t|)) where |t| is the absolute valuse of temperature above or below 0°C in °C |
| Agency Approvals | RoHS2, WEEE |
| Lead Wire Colors | A/TTM100-R/R2: Brown/Brown A/TTM1K-R/R2: Black/Black |
| Product Dimensions | 4.50” (114.3 mm) x 2.78” (70.6 mm) x 1.00” (25.4 mm) |
| Set Point Tolerance | +/- 10% | 4-20 mA: 4 mA (Far Left) / 20 mA (Far Right)(DA-Direct Acting (Default)) +/- 10% | 20 mA (Far Left) / 4 mA (Far Right)(RA-Reverse Acting (Optional)) |
| LCD Display Accuracy | +/- 1.0% of Calibrated Temperature Span or +/- Whichever is Greater |
| 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 | 5 to 95% RH non-condensing |
| Storage Temperature Range | Non-LCD:-40 to 65°C (-40 to 149°F) | LCD Display: -10 to 65°C (14 to 149°F) 35 to 122°F (1.5 to 50°C) spans may go outside of the operating temperature range but the unit must be used within the operating temperature limit |
| LCD Display Life Expectancy | 50,000 Hours Minimum |
| Operating Temperature Range | 35 to 122°F (1.5 to 50°C) spans may go outside of the operating temperature range but the unit must be used within the operating temperature limit |
| Sensor Output @ 0ºC (32ºF) | A/TT100/TTM100-R/R2: 100 Ohms A/TT1K/TTM1K-R/R2: 1000 Ohms |
| Terminal Block Torque Rating | 0.37 ft-lb (0.5 N-3m) nominal |
| Calibrated Accuracy | Linearity | Temp. Spans \< 500°F (260°C): +/- 0.2% Transmitter’s calibrated at 71°F (22°C) nominal |
| Din Standard | Temperature Coeffcient | DIN EN 60751 (IEC 751) | 3850 ppm / °C |
| Foam Pad Material | Flammability Rating | Neoprene/EPDM/SBR Polymer | UL94-HBD; FMVSS-302; MIL-R-6130C |
| Override Contact Type | Contact Ratings | Dry Contact “N/O” Contact | Minimum: 10 uA @ 1 VDC | Maximum: 50 mA @ 24 VDC |
| LCD Display Descriptor | Number of Digits | °F (Fahrenheit) or °C (Celsius) | 3 ½ Segment Display |
| 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 “-LCD” Loop Powered: Add +7 VDC to 250/500 Ohm Load Supply Voltage above |
| Enclosure Specifications (Material, Operating Temperature, NEMA Ratings) | “-R2” Enclosure: ABS Plastic | White | UL94-HB “-R” Enclosure: ABS Plastic | Beige | UL94-HB |
Specifications
| SKU | CS6285531 |
|---|---|
| MPN | A/TT1K-RS-4 |
| Alternate Part # | 118738 |








