ACI-Automation Components A/20K-D-12-4X Data Sheet
Automation Components, Inc.
GD
BB
PB
4X
TEMPERATURE | THERMISTORS | DUCT
DUCT
Duct Sensor, Thermistor
The ACI Thermistor Duct Series features a stainless steel probe with two, 22 AWG Etched Teon
colored lead wires to dierentiate the dierent sensor types. The sensors in this series are
manufactured using ACI’s proved double encapsulation process to eliminate the eects of
moisture on the sensors and increased response times from our high quality, thermally
conductive epoxy. The duct sensor is designed to be used in smaller duct applications and
includes an insulation pad for sealing your duct and dampening vibration. The sensor length
should be determined by the width or diameter of your duct such that the tip of the probe
reaches the approximate center of the duct. Our standard enclosure options are the galvanized
enclosure “-GD” or plastic duct enclosure with hinged cover “-PB”. On larger ducts, you may
want to refer to our Rigid or Bendable Copper Averaging sensor for increased sensing points and better temperature control. This series can be
ordered with optional NEMA/IP rated weather proof enclosures and NIST certicates as referenced on the back of the product data sheet.
Applications: Roof Top Units, Air Handlers, Supply/Discharge/Return/Mixed Air Temperatures
PRODUCT SPECIFICATIONS
Sensor Type | Sensor Curve:
Number Sensing Points | Number Wires:
Sensor Output @ 25ºC (77ºF) |
(Lead Wire Colors):
Sensor Accuracy 0-70ºC (32-158ºF):
Power Dissipation Constant:
Stability:
Response Time (63% Step Change):
Sensor Operating Temperature Range:
Enclosure Specications (Temperature,
Material, Flammability, NEMA/IP Ratings):
Storage Temperature Range:
Operating Humidity Range:
Probe Material | Probe Diameter:
Fitting Material | Flammability Rating:
Foam Pad Material | Flammability Rating:
Lead Length | Conductor Size:
Lead Wire Insulation | Wire Rating:
Conductor Material:
Product Dimensions | Product Weight:
Agency Approvals:
Thermistor | Non-Linear, NTC (Negative Temperature Coecient)
One | Two (Non-Polarity Sensitive)
A/1.8K: 1.8KΩ nominal | (Red/Yellow)
A/3K: 3KΩ nominal | (White/Brown)
A/AN (Type III): 10KΩ nominal | (White/White)
A/AN-BC: 5.238KΩ nominal | (White/Yellow)
A/CP (Type II): 10KΩ nominal | (White/Green)
+/-0.2ºC (+/-0.36ºF) except A/10K-E1 Series: +/-0.3ºC (+/-0.54ºF)
A/1.8K Series: +/- 0.5ºC @ 25ºC (77ºF) and (+/-1.0ºC) (+/-1.8ºF)
3 mW/ºC except A/1.8K Series: 1 mW/ºC | A/10K-E1 Series: 2 mW/ºC
Sensor Dependent; Contact ACI for more information on specic sensor
10 Seconds nominal
-40ºC (-40ºF) to 150ºC (302ºF)
“-GD” Enclosure: Galvanized Steel, -40 to 115ºC (-40 to 239ºF), NEMA 1 (IP10)
“-PB” Enclosure: ABS Plastic, UL94-HB, -30 to 90ºC (-22 to 194ºF), Plenum Rated
“-BB” Enclosure: Aluminum, -40 to 115ºC (-40 to 239ºF), NEMA 3R (IP 14)
“-4X” Enclosure: Polystyrene Plastic, UL94-V2, -40 to 70ºC (-40 to 158ºF), NEMA 4X (IP 66)
-40 to 85ºC (-40 to 185ºF)
10 to 95% RH, non-condensing
304 Stainless Steel | 0.250” (6.35mm)
Polyamide 66 (High Performance Nylon) | UL94-HB
Neoprene/EPDM/SBR Polymer | UL94-HBF; FMVSS-302; MIL-R-6130C
12” (30.5cm) | 22 AWG (0.65mm)
Etched Teon (PTFE) Colored Leads | Mil Spec 16878/4 Type E)
Silver Plated Copper
See table on back of Product Data sheet
CE, RoHS2, WEEE
A/CSI: 10KΩ nominal | (Green/Yellow)
A/10KS: 10KΩ nominal | (White/Blue)
A/10K-E1: 10KΩ nominal | (Gray/Orange)
A/20K: 20KΩ nominal | (Brown/Blue)
A/100KS: 100KΩ nominal | (Black/Yellow)
Call: 1-888-967-5224 | Web: www.workaci.com
TEMPERATURE | ##
TEMPERATURE | THERMISTORS | DUCT
DIMENSIONAL DRAWING, WEIGHTS
Plastic Box Enclosure [PB]
4.79”
3.60”
(91.44mm)
Galvanized Enclosure [GD]
Bell Box Enclosure [BB]
2.25”
(57.15mm)
4.79” (121.55mm)
3.88” (98.60mm)
2.95”(75mm)
(121.55mm)
4.20”
(106.68mm)
2.35” (59.80mm)
Available in 4”, 6”,
8”, 12”, and 18”
Probe Lengths
Available in 4”, 6”,
8”, 12”, and 18”
Probe Lengths
1.78” (45.18mm)
Available in 4”, 6”,
8”, 12”, and 18”
Probe Lengths
2.34” (59.38mm)
Automation Components, Inc.
xx = Sensor Type | yy = Insertion Length
Plastic Box Enclosure [PB] Weights
ACI Model #
A/xx-D-yy-PB
ACI Model #
A/xx-D-yy-PB
Galvanized Enclosure [GD] Weights
ACI Model #
A/xx-D-yy-GD
ACI Model #
A/xx-D-yy-GD
Bell Box Enclosure [BB] Weights
ACI Model #
A/xx-D-yy-BB
ACI Model #
A/xx-D-yy-BB
4” (Probe Length)
0.24 lbs. (0.109 kg)
12” (Probe Length)
0.28 lbs. (0.127 kg)
4” (Probe Length)
0.66 lbs. (0.299 kg)
12” (Probe Length)
0.70 lbs. (0.317 kg)
4” (Probe Length)
0.70 lbs. (0.317 kg)
12” (Probe Length)
0.74 lbs. (0.336 kg)
(Probe Length)
6”
0.25 lbs. (0.113 kg)
(Probe Length)
18”
0.30 lbs. (0.136 kg)
(Probe Length)
6”
0.67 lbs. (0.303 kg)
(Probe Length)
18”
0.74 lbs. (0.336 kg)
(Probe Length)
6”
0.71 lbs. (0.322 kg)
(Probe Length)
18”
0.78 lbs. (0.354 kg)
(Insertion Length)
8”
0.26 lbs. (0.117 kg)
(Insertion Length)
8”
0.68 lbs. (0.308 kg)
(Insertion Length)
8”
0.72 lbs. (0.326 kg)
NEMA 4X Enclosure [4X]
CUSTOM ORDERING
A. Sensor Series
B. Model Series
C. Conguration
E. Enclosure
Select One (1)
No Selection Required
Select One (1)
No Selection Required
Select One (1)
Select One (1)
3.70”
(93.98mm)
3.88”(98.60mm)
3.70” (93.98mm)
Standard Views
A/
1.8K | 3K | AN | AN-BC | CP | CSI | 10KS | 10K-E1 | 20K | 100KS
D = Duct
4” = 4” Probe | 6” = 6” Probe | 8” = 8” Probe | 12” = 12” Probe | 18” = 18” ProbeD. Probe Length
GD = Galvanized | PB = Plastic | BB = Aluminum, NEMA 3R | 4X = NEMA 4X
---- = No NIST Certicate | NIST = NIST Certicate (Must Specify 1, 3 or 5 Points)F. NIST
Available in 4”, 6”,
8”, 12”, and 18”
Probe Lengths
2.24” (56.77mm)
NEMA 4X Enclosure [4X] Weights
ACI Model #
A/xx-D-yy-4X
ACI Model #
A/xx-D-yy-4X
4” (Probe Length)
0.34 lbs. (0.154 kg)
12” (Probe Length)
0.38 lbs. (0.172 kg)
6”
0.35 lbs. (0.159 kg)
18”
0.40 lbs. (0.181 kg)
Product Weights
Model # Example:
A/A.1.8KB.DC.8”
(Probe Length)
(Probe Length)
D.
GDE.NIST
(Insertion Length)
8”
0.36 lbs. (0.163 kg)
MODEL #
F.
A/
D
TEMPERATURE | ##
Revision C0000002 | Rev 1.0
Call: 1-888-967-5224 | Web: www.workaci.com
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