Dwyer Instruments SERIES I2-4 Catalog Page
2-1/4
[57.15]
4-1/16
[103.21]
2X Ø0.743˝ [18.87 MM]
3/8˝ NPT CONDUIT KNOCKOUTS
3/8˝ NPT
L
[L = 7.000˝ FOR 6˝ THERMOWELL
L = 5.000˝ FOR 4˝ THERMOWELL]
3X Ø0.896˝ [22.76 MM]
1/2˝ NPT CONDUIT KNOCKOUTS
Series
3-31/32
[101.00]
2-7/32
[56.16]
4X ø0.896˝ [22.76 MM]
1/2˝ NPT CONDUIT KNOCKOUTS
3-3/32 [78.74]
1/4
[6.35]
L
L = 7.000˝ FOR 6˝ THERMOWELL
L= 5.000˝ FOR 4˝ THERMOWELL
FOR 1/2˝ NPT THERMOWELL CONNECTION
I2-4
Weather-Proof Immersion
Temperature Sensor
TEMPERATURE
The Series I2-4 Weather-Proof Immersion Temperature Sensor is ideal for
monitoring hot and chilled water lines feeding Air Handlers and Cooling Towers. The
plastic housing has a 1/4 tur n twist off cover to reduce installation time. The multiple
knockouts allow for easy conduit access to any side of the housing. The Series I2-4 can be
ordered with a choice of 11 output options that allow it to communicate to any standard
building control system.
Note: A Series IW2 Thermowell must be used on pressurized air and water lines to
prevent leakage around the probe.
Temperature Sensors
Model
I2-41062
I2-42062
I2-43062
I2-44062
I2-45062
I2-46062
I2-47062
I2-48062
I2-49062
I2-4A062
I2-4B062
Thermowells
Model
IW2-262
IW2-242
Sensor Type
Pt 100 Ω RTD
PT 1000 Ω RTD
Ni 1000 Ω RTD
Balco 1000 Ω RTD
10K Ω Type II Thermistor
3K Ω Thermistor
5K Ω Thermistor
100K Ω Thermistor
20K Ω Thermistor
2252 Ω Thermistor
10K Ω Type III Thermistor
Material
304 SS
304 SS
DWYER INSTRUMENTS, INC.
Insertion Length
6˝
4˝
Insertion Length
6˝
6˝
6˝
6˝
6˝
6˝
6˝
6˝
6˝
6˝
6˝
Twist Off Cover, Multiple Conduit Holes
Sensor Type
Pt 100 Ω RTD
PT 1000 Ω RTD
Ni 1000 Ω RTD
Balco 1000 Ω RTD
10K Ω Type II Thermistor
3K Ω Thermistor
5K Ω Thermistor
100K Ω Thermistor
20K Ω Thermistor
2252 Ω Thermistor
10K Ω Type III Thermistor
Model
I2-41042
I2-42042
I2-43042
I2-44042
I2-45042
I2-46042
I2-47042
I2-48042
I2-49042
I2-4A042
I2-4B042
SPECIFICATIONS
Accuracy:
Platinum RTD: ±0.6% @ 32°F (0°C);
Nickel RTD: ±0.5°F @ 32°F (0°C);
Balco RTD: ±0.1% @ 32°F (0°C);
Thermistors: ±0.36°F from 32 to
158°F (0 to 70°C).
Insertion Length
4˝
4˝
4˝
4˝
4˝
4˝
4˝
4˝
4˝
4˝
4˝
Operating Temperature: -32 to 240°F
(-35.5 to 115.5°C).
Probe Diameter: 1/4˝ (6.3 mm).
Cable Length: 8˝.
Probe Material: 304 SS.
Mounting: 1/2˝ threaded connection to
fit Series IW2 thermowell.
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