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RTD Freezer Series
1000 Ohm RTD, 2" Freezer Probe 316SS, NEMA 4X Enclosure, 30', NIST Cert
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- Ideal for extreme temperatures where ice and moisture are present
- Roof Top Units
- Discharge Air/Supply/Return/Mixed Air Duct Temperature
- Remote Temperature Sensing
A/1K-LTS-4X-30-NIST Model Options
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Output
Output Signal
Category
Process Temperature Range
Sensor Application
Response Time
Accuracy
Number Of Wires
Sheath Material
Probe Diameter
Probe Length
Cable Insulation
Cable Length
The ACI RTD Freezer Series are manufactured using ACI’s proven encapsulation process to eliminate the effects of moisture upon the sensors. The sensor is designed to be used in Pharmaceutical, Liquid Nitrogen, Freezers, Refrigerators and Hydronic applications where a remote sensor is required due to the extreme temperature ranges and presence of ice and moisture. The Freezer RTD sensors can be used with any of the Single or Triple Point Thermal Buffers for when slower response time is desired. Applications: Pharmaceutical, Liquid Nitrogen, Refrigerators, Freezers, Hydronic Heating, Remote Sensor Applications, Hospital, Agricultural
For more information Please visit www.workaci.com
Product specifications - Freezer Probe
| Sensor Type | Sensor Curve: | Platinum RTD | Linear, PTC (Positive Temperature Coefficient) |
| Number Sensing Points: | One |
| Number Wires: | Three Conductors (White and Two Red Wires); Polarity Sensitive (Tie Red wires together) |
| Sensor Output @ 0ºC (32ºF): | A/100-LTS Series: 100 Ohms nominal | A/1K-LTS Series: 1000 Ohms nominal |
| Platinum RTD Tolerance Class: | Class B Accuracy Formula: +/- ºC = (+/- 0.30ºC + (0.005 x |t|)) where t is the Absolute Value of temperature in ºC above or below 0ºC -200ºC (-328ºF): +/- 1.30ºC (+/- 2.34ºF) | 0ºC (-32ºF): +/- 0.30ºC (+/- 0.54ºF) |
| Din Standard | Temperature Coeffcient: | 3850 ppm / ºC | DIN EN 60751 (IEC 751) |
| Platinum RTD Response Time (63% Step Change): | A/100-LTS Series: In still air: 3:40 (Min:Sec) In water: 19 (Sec) A/1K-LTS Series: In still air: 3:50 (Min:Sec) In water: 22 (Sec) |
| Sensor Operating Temperature Range: | -198 to 150ºC (-324 to 302ºF) |
| Enclosure Temperature Rating: | “-GD” Enclosure: -40 to 100ºC (-40 to 212ºF) “-4X” Enclosure: -40 to 70ºC (-40 to 158ºF) |
| Operating Humidity Range: | 10 to 100% RH |
| Enclosure Material | Flammability Rating: | “-GD” Enclosure: Galvanized Steel | “-4X” Enclosure: Polystyrene | UL94-V2 |
| NEMA Rating: | “-GD” Enclosure: NEMA 1 (IP10) | “-4X” Enclosure: NEMA 4X (IP 66) |
| Cable Gland (Fitting) Size | Hole Size | Material: | PG7 | 15 mm (0.591”) |
| Cable Gland Sleeve Material | Wire Clamping Size: | Polyamide 6 | Neoprene 0.098” (2.5 mm) to 0.256” (6.5 mm) | IP 68 (NEMA 6P) |
| Cable Gland IP Rating | Torque Rating: | 2.5 Nm (22.127 lb. inch) |
| Probe Material | Length | Diameter: | 316 Stainless Steel | 2” (50.8 mm) | 0.1875” (4.76 mm) nominal |
| Lead Length | Conductor Size: | 10’ (3.05 m) or 30’ (9.15 m) | 0.106” nominal (2.69 mm) |
| Conductor Size | Conductor Material: | 24 AWG (0.51 mm) | Silver Plated Copper |
| Lead Wire Insulation | Jacket Color: | FEP/FEP (Teflon) Jacketed Cable | White |
Product specifications -Freezer Transmitter
| Transmitter Supply Voltage | Supply Current: | +13.5 to 32 VDC into 250 Ohm Load (Reverse Polarity Protected) | 25 mA minimum +18.5 to 32 VDC into 500 Ohm Load |
| Maximum Load Resistance: | Terminal Voltage - 8.5 V | 0.020 A | (775 Ohms @ 24 VDC) |
| Output Signals: | Current: 4-20 mA (2-Wire Loop Powered) Voltage: 1-5 VDC or 2-10 VDC (3-Wires) |
| TT Calibrated Accuracy | Linearity: | Temp. Spans < 500ºF (260ºC): +/- 0.2% | Temp. Spans > 500ºF (260ºC): +/- 0.5% |
| TT Temperature Drift: | Temp. Spans < 100ºF (38ºC): +/- 0.04%/ºF | Temp. Spans > 100ºF (38ºC): +/- 0.02% |
| TTM100/TTM1K NIST Certification Points: | 3 Point NIST: 20%, 50% & 80% of span | 5 Point NIST: 20%, 35%, 50%, 65%, 80% of span |
| TT Warm Up Time | Warm Up Drift: | 10 Minutes | +/- 0.1% |
| Operating TT Temperature Range: | -40ºF (-40ºC) to 185ºF (85ºC) |
| Storage Temperature Range: | -40ºF (-40ºC) to 185ºF (85ºC) |
| Operating Humidity Range: | 0 to 95%, non-condensing |
| Calibrated Temperature Spans: | Minimum Temp. Span: 50ºF (28ºC) | Maximum Temp. Span: 1000ºF (538ºC) |
| Matched Calibrated Temperature Spans (A/TTM models) Range: | -45 to 155ºC (-49 to 311ºF) |
| Connections | Wire Size: | Screw Terminal Blocks (Polarity Sensitive) | 16 AWG (1.31 mm2) to 26 AWG (0.129 mm2) |
| Terminal Block Torque Rating: | 0.5 Nm nominal |
| Sensor Type | Sensor Curve: | Platinum RTD | Linear, PTC (Positive Temperature Coefficient) |
| Number Wires: | Three Conductors (White and Two Red Wires); Polarity Sensitive (Red wires tied together) |
| Sensor Output @ 0ºC (32ºF): | A/TT/TTM100-LTS Series: 100 Ohms nominal A/TT/TTM1K-LTS Series: 1000 Ohms nominal |
| Platinum RTD Tolerance Class: | Class B |
| Sensor Accuracy: | Accuracy Formula: +/- ºC = (+/- 0.30ºC + (0.005 x |t|)) -200°C (-328°F): +/- 1.30°C (+/- 2.43°F) | 0°C (-32°F): +/- 0.30°C (+/- 0.54°F) |
| Platinum RTD Response Time (63% Step Change): | A/TT/TTM100-LTS Series: In still air: 3:40 (Min:Sec) In water: 19 (Sec) A/TT/TTM1K-LTS Series: In still air: 3:50 (Min:Sec) In water: 22 (Sec) |
| Temperature Coefficient: | 3850 ppm / ºC | DIN EN 60751 (IEC 751) |
| Platinum RTD Din Standard: | DIN EN 60751 (IEC 751) |
| Platinum RTD Stability: | < 0.04% @ 1000 hours @ 400ºC (752ºF) |
| Sensor Operating Temperature Range: | -198 to 150ºC (-324 to 302ºF) |
| Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating): | “-GD” Enclosure: -40 to 121ºC (-40 to 250ºF); Galvanized Steel; NEMA 1 (IP10) “-4X” Enclosure: -40 to 70ºC (-40 to 158ºF); Polystyrene Plastic; UL94-V2; NEMA 4X (IP 66) “-BB” Enclosure: Aluminum, -40 to 121ºC (-40 to 250ºF), Plenum Rated, NEMA 3R (IP 14) |
| Cable Gland (Fitting) Size | Hole Size | Material: | PG7 | 15 mm (0.591”) | Polyamide 6 |
| Cable Gland Sleeve Material | Wire Clamping Size: | Neoprene | 0.098” (2.5 mm) to 0.256” (6.5 mm) |
| Cable Gland IP Rating | Torque Rating: | IP 68 (NEMA 6P) | 2.5 Nm (22.127 lb. inch) |
| Probe Material | Length | Diameter: | 316 Stainless Steel | 2” (50.8 mm) | 0.1875” (4.76 mm) nominal |
| Lead Length: | 10’ (3.05 m) or 30’ (9.15 m) |
| Conductor Size | Conductor Material: | 24 AWG (0.51 mm) | Silver Plated Copper |
| Lead Wire Insulation | Jacket Color: | FEP/FEP (Teflon) Jacketed Cable | White |
