Dwyer Instruments SERIES WTP Catalog Page
Series
2-1/2
[63.50]
1/2˝ NPT CONDUIT
KNOCKOUT
3X 1/2˝ NPT
1/4
[6.35]
L
4-5/32
[105.41]
5
[127.00]
2-1/2
[63.50]
1/2˝ NPT
CONDUIT
KNOCKOUT
3X
1/2˝ NPT
5-3/4
[145.80]
1/2˝ NPT CONDUIT
KNOCKOUT
2-1/2
[63.50]
3X 1/2˝ NPT
FOR 1/2˝ NPT CONNECTION
1/4
[6.35]
L
4-5/32
[105.41]
5 [127.00]
RoHS
WTP
Wireless Temperature Sensors
Transmits up to 100 Feet, NEMA 4X Enclosure
The Series WTP Wireless Temperature Sensors can be quickly installed on chilled
water lines, air ducts or outside a building without having to run additional wiring. By
sampling the temperature measurement every 10 seconds, the 3.6 V lithium battery is able
to power the unit for up to 8 years.
TEMPERATURE
A reliable 418 MHz signal can carry the measurements up to 100 feet without a repeater.
With the optional 900 MHz repeater, measurements can be transmitted up to 1000 feet
away.
Model
WTP-OSA
WTP-D04
WTP-D08
WTP-D12
WTP-D18
WTP-I02
WTP-I04
WTP-I08
Temperature Sensors
Mounting
Configuration
OSA
Duct
Duct
Duct
Duct
Immersion
Immersion
Immersion
Insertion
Length
N/A
4˝
8˝
12˝
18˝
2˝
4˝
8˝
DUCT & IMMERSION MODEL
SPECIFICATIONS
Temperature Range: -40 to 185°F (-40 to 85°C).
Accuracy: ±0.3°C.
Temperature Limits: Ambient: 32 to 140°F (0 to 60°C).
Humidity Limits: 5 to 95% RH non-condensing.
Power Requirements: (2) 3.6 V ER14505 AA lithium metal batteries, included,
user replaceable.
Transmitter Interval: Approximately 10 s.
Housing Material: ABS plastic.
Enclosure Rating: UL 94 V-0, NEMA 4X (IP66).
Antenna: 418 MHz - Built inside enclosure.
Weight: Duct/OSA: 1.25 lb (566 g); Immersion: 0.8 lb (363 g).
FCC Approval: FCC ID# T4F06811RH.
Agency Approvals: RoHS.
ACCESSORIES (see complete list on page 135)
WM-4SS, 418 MHz Receiver
WM-PSS, 418 MHz Repeater with Standard Antenna
WM-CSF-4G, 4 to 20 mA Temperature Output Module Range 32 to 185°F
WM-VSF-1G, 0 to 10 VDC Temperature Output Module Range 32 to 185°F
WM-TS2, 10K Ω Type 2 Thermistor Output Module
WM-TS3, 10K Ω Type 3 Thermistor Output Module
DUCT MODEL
IMMERSION MODEL
OSA MODEL
308
DWYER INSTRUMENTS, INC.
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