ACI A/TTM1K-RA-24"-4-GD
SKU: CS6288183MPN: A/TTM1K-RA-24"-4-GDAlternate Part #: 138987
Transmitter w/ 1,000 Ohm RTD (NIST Cert), Rigid Probe Averaging, 24”, Galvanized Enclosure, 4-20mA Output

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Product Details
Transmitter w/ 1,000 Ohm RTD (NIST Cert), Rigid Probe Averaging, 24”, Galvanized Enclosure, 4-20mA Output
Product Configuration
| Length | 24” |
|---|---|
| Sensor | TTM1K (XMTR, 1K Ω, NIST) |
| Enclosure | Galvanized |
Product Family Specifications
| Thread Size | ⅛”-27 NPSM |
|---|---|
| Thermal Drift | Temp. Spans \< 100ºF (38ºC): +/- 0.04%/ºF | Temp. Spans > 100ºF (38ºC): +/- 0.02% |
| Output Signals | Model Dependent: Current: 4-20 mA (2-Wire Loop Powered) | Voltage: 1-5 VDC or 2-10 VDC (3-Wires) |
| Probe Diameter | 304 Stainless Steel |
| Sensor Accuracy | +/- 0.1% @ 0ºC (32ºF) | +/- 0.25% @ 21ºC (70ºF) | +/- 1.0% @ 130ºC (266ºF) |
| Agency Approvals | RoHS, WEEE |
| Conductor Material | Silver Plated Copper |
| Number Sensing Points | Continuous |
| 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 90% RH, non-condensing |
| Min/Max Temperature Spans | Minimum Span: 50ºF (28ºC) | Maximum Span: 400ºF (204ºC) |
| Storage Temperature Range | -40 to 80ºC (-40 to 176ºF) |
| Sensor Type | Sensor Curve | Platinum RTD | PTC (Positive Temperature Coefficient) |
| Lead Length | Conductor Size | 12” (30.5 cm) | 22 AWG (0.65mm) |
| Sensor Output @ 0ºC (32ºF) | 1000 Ohms nominal |
| Terminal Block Torque Rating | 0.37 ft-lb (0.5 Nm ) nominal |
| Warm Up Time | Warm Up Drift | 10 Minutes | +/- 0.1% |
| Calibrated Accuracy | Linearity | Temp. Spans \< 500ºF (260ºC): +/- 0.2% |
| Lead Wire Insulation | Wire Rating | Etched Teflon (PTFE) Colored Leads | Mil Spec 16878/4 Type E |
| Sensor Operating Temperature Range | -40 to 135ºC (-40 to 275ºF) |
| Transmitter Operating Humidity Range | 0 to 90%, non-condensing |
| 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 to 185ºF (-40 to 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 |
| Platinum RTD Response Time (63% Step Change) | 15 Seconds nominal |
| Platinum RTD (PTC) | Number Wires (Wire Colors) | Three | Black/Black/White (Polarity Sensitive) |
| Enclosure Specifications (Material, Operating Temperature, NEMA Ratings) | “-GD” Enclosure: -40 to 115ºC (-40 to 239ºF); Galvanized Steel; NEMA 1 (IP10) “-PB” Enclosure: -30 to 90ºC (-22 to 194ºF); ABS Plastic; UL94-HB; Plenum Rated “-BB” Enclosure: -40 to 115ºC (-40 to 239ºF); Aluminum; NEMA 3R (IP 14) “-4X” Enclosure: -40 to 70ºC (-40 to 158ºF); Polystyrene Plastic; UL94-V2; NEMA 4X (IP 66) |
Specifications
| SKU | CS6288183 |
|---|---|
| MPN | A/TTM1K-RA-24"-4-GD |
| Alternate Part # | 138987 |




