Transmitter Freezer

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Sensor

Wire

Enclosure

Transmitter Output

This product is covered by ACI's Five (5) Year Limited Warranty. Learn more

Product overview

Transmitter w/ 100 Ohm RTD, 2" Freezer Probe 316SS, Galvanized Enclosure, 10', 4-20mA Output

Application

Roof Top Units
Supply/Discharge/Return/Mixed Air Temperatures

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Product specifications

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 Minimum: -80 °C (-112 °F) Maximum: 155 °C (311 °F)

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)

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) “-BB” Enclosure: Aluminum, -40 to 121ºC (-40 to 250ºF), Plenum Rated, NEMA 3R (IP 14) “-4X” Enclosure: -40 to 70ºC (-40 to 158ºF); Polystyrene Plastic; UL94-V2; NEMA 4X (IP 66)

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

Product Weight:

A/TT/TTMxxx-LTS-BB-10’: 0.84 lbs (0.39 kg) A/TT/TTMxxx-LTS-BB-30’: 1.04 lbs (0.48 kg) A/TT/TTMxxx-LTS-4X-10’: 0.42 lbs (0.19 kg) A/TT/TTMxxx-LTS-4X-30’: 0.62 lbs (0.29 kg) A/TT/TTMxxx-LTS-GD-10’: 0.73 lbs (0.32 kg) A/TT/TTMxxx-LTS-GD-30’: 0.93 lbs (0.43 kg)

Agency Approvals:

CE, UKCA, WEEE, RoHS CE Note: Model may not maintain criterion A when subjected to conducted emissions between 28.5 MHz and 29.3 MHz.