Low Temperature Duct

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

Product overview

100 Ohm (Three Wires) RTD, Low Temperature Duct, 8" 316SS, Galvanized Enclosure

Application

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

Product specifications

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
Maximum Load Resistance:
(Terminal Voltage - 8.5 V) | 0.020 A
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%
Temperature Drift:
Temp. Spans < 100ºF (38ºC): +/- 0.04%/ºF | Temp. Spans > 100ºF (38ºC): +/- 0.02%
TT Warm Up Time | Warm Up Drift:
10 Minutes | +/- 0.1%
Operating Temperature Range:
-40ºF (-40ºC) to 185ºF (85ºC)
Operating Humidity Range:
0 to 90%, non-condensing
Calibrated Temperature Spans:
Minimum Temp. Span: 50ºF (28ºC) | Maximum Temp. Span: 700ºF (370ºC)
Connections | Wire Size:
Screw Terminal Blocks (Non-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 | PTC (Positive Temperature Coefficient)
Number Sensing Points:
One
Number Wires:
A/100-3W-LT-I-XX” and A/1K-3W-LT-I-xx”: Three (White / Two Red) Polarity Sensitive)
Sensor Output @ 0ºC (32ºF):
A/100-3W-LT-I-xx”: 100 Ohms nominal | A/1K-3W-LT-I-xx”: 1000 Ohms nominal
Sensor Tolerance | Accuracy:
+/- 0.12% Class B | Class B Tolerance Formula: +/- ºC = (0.30ºC + (0.005 * |t|))
Din Standard | Temperature Coeffcient:
DIN EN 60751 (IEC 751) | 3850 ppm / ºC
Stability:
< 0.04 % at 1000 hours at 400ºC
Self-Heating | Maximum Operating Current:
100 Ohm RTD: 7 mW/ºC (Still Air) | 5 mA | 1K Ohm RTD: 4 mW/°C (Still Air) | 3 mA
Sensor Operating Temperature Range:
-198 to 150ºC (-324 to 302ºF)
Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating):
“-GD” Enclosure: -40 to 199ºC (-40 to 390ºF); Galvanized Steel; NEMA 1 (IP10) “-BB” Enclosure: Aluminum, -40 to 121ºC (-40 to 250ºF), Plenum Rated, NEMA 3R
Storage Temperature Range:
-40 to 85ºC (-40 to 185ºF)
Operating Humidity Range:
10 to 95% RH, non-condensing
Probe Material:
316 Stainless Steel
Probe Diameter:
0.250” (6.35mm)
Compression Fitting Material:
316 Stainless Steel
Lead Length | Conductor Size:
8’ (2.44 m) | 22 AWG (0.25 mm)
Lead Wire Insulation | Wire Rating:
Etched Teflon (PTFE) | Silver Plated Copper
Agency Approvals:
RoHS2, WEEE