environmental SenSorS
inStallation GUiDe
Z201986-0N PAGE 1 ©2010 Veris Industries USA 800.354.8556 or +1.503.598.4564 / support@veris.com 04101
Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Temperature Transmitters
Installer’s Specifications
Input Power 4-20mA version - Loop powered 12-30VDC only, 30mA max;
0-5/0-10V versions - 12-30VDC/24VAC, 15mA max
Temp Output 2-wire, loop powered 4-20mA or 3-wire, 0-5V/0-10VDC
(switch selectable in TWxA)
Sensor Type Solid-state, integrated circuit (Transmitter)
Accuracy ±0.5°C (±1°F) typical
Ranges 0° to 50°C (32° to 122°F), -40° to 50°C (-40° to 122°F)
Wiring (TOA and TDDA) 22AWG; 2-wire: 4-20mA;
3-wire: Voltage output models
T SerieS T SerieS
NOTICE
• This product is not intended for life or safety applications.
• Do not install this product in hazardous or classified locations.
• Read and understand the instructions before installing
this product.
• Turn off all power supplying equipment before working on it.
• The installer is responsible for conformance to all applicable codes.
Product IdentIfIcatIon
quIck Install
TDDA
Drill a hole in the duct.1.
Insert the temperature probe, until the junction box is flat against the outer 2.
surface of the duct.
Use screws to secure the junction box to the duct.3.
Wire as shown (see Wiring section).4.
TOA
Locate sensor in an outside area, out of direct sunlight (e.g. under an eave, north 1.
side of building).
Mount the housing. 2.
Wire as shown (see Wiring section).3.
TWxA and TW
Mount the housing vertically on an interior wall in the area to be monitored, in 1.
a location where air circulates freely. Locate unit away from air outlets, corners,
exterior walls, windows, and doors.
Wire as shown (see Wiring section).2.
TDDA
TOA
TWxA/TW
TDDA
Output
M = 4-20mA
V = 0-5/10VDC
Cal Certificate
0 = None
1 = 1 point Cal validation
2 = 2 point Cal validation
Range
1 = -40° to 50° C
(-40° to 122°F)
2 = 0° to 50°C
(32° to 122°F)
TOA
Cal Certificate
0 = None
1 = 1 point Cal validation
2 = 2 point Cal validation
Range
1 = -40 to 50°C
(-40° to 122°F)
2 = 0° to 50°C
(32° to 122°F)
Output
M = 4-20mA
V = 0-5/10VDC
Sensor Type
TW A
Local Display
= Transmitter
selectable
outputs
L = LCD
X = No
Setpoint/Override
Cal Certificate
0 = None
2 = 1k Setpoint
3 = 10k Setpoint
4 = 1k Setpoint with override
5 = 10k Setpoint with override
0 = None
1 = 1 point Cal validation
2 = 2 point Cal validation
Sensor Type
TW
Local Display
L = LCD
X = No
Setpoint/Override
Cal Certificate
0 = None
2 = 1k Setpoint
3 = 10k Setpoint
4 = 1k Setpoint with override
5 = 10k Setpoint with override
0 = None
1 = 1 point Cal validation
2 = 2 point Cal validation
B = 100R platinum, RTD
C = 1k platinum, RTD
D = 10k T2, Thermistor
E = 2.2k, Thermistor
F = 3k, Thermistor
G = 10k CPC, Thermistor
H = 10k T3, Thermistor
J = 10k Dale, Thermistor
K = 10k w/11k shunt,Thermistor
M = 20k NTC, Thermistor
N = 1800 ohm, Thermistor
P = 10mV/°C, Linitemp
R = 10k US, Thermistor
S = 10k 3A221, Thermistor
T = 100k, Thermistor
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