Watlow RTD Data sheet
W A T L O W
99
RTDs and Thermistors
RTDs and
Thermistors
Resistance
Temperature Sensing
RTDs
Watlow’s platinum resistance
elements are specially designed to
ensure precise and repeatable
temperature versus resistance
characteristics. The sensors are
made with controlled purity platinum,
have high purity ceramic components
and constructed in a unique strainfree manner.
Performance Capabilities
• Ceramic elements are extremely
precise and stable within the wide
temperature range of -200 to 650°C
(-328 to1200°F).
Features and Benefits
Patented, strain-free construction
• Provides dependable, accurate
readings
• Allows elements from different lots
to be substituted without
recalibration
High signal-to-noise output
• Increases accuracy of data
transmission
• Permits greater distances between
sensor and measuring equipment
Temperature coefficient (alpha)
carefully controlled while
insulation resistance values
exceed DIN-IEC-751 standards
• Ensures sensor sensitivity
• Minimizes self heating
• Allows precise measurement
• Repeatable
Highly controlled manufacturing
process
• Ensures wide temperature range
• Stabilizes physical and chemical
attributes
Metric diameters and fittings are
available, please consult factory
Applications
• Air conditioning and refrigeration
servicing
• Furnace servicing
• Stoves and grills
• Textile production
• Plastics processing
• Petrochemical processing
• Micro electronics
• Air, gas and liquid temperature
measurement
• Exhaust gas temperature
measurement
W A T L O W
101
RTDs and
Thermistors
RTD Style RC
Plug or Jack Termination
Features and Benefits
Durable rigid sheath
• 316 stainless steel -50 to 260°C
(-58 to 500°F)
Durable connectors with
copper pins
• 200°C (400°F) temperature rating
• Provide simple connection to
extension leads
Brazed adapter
• Provides superior connector
attachment
High accuracy
• Dependable readings
3. Sheath O.D. (inch)
G = 0.125
H = 0.188
J = 0.250
4. Cold End Termination
Standard plugs and jacks 200°C (400°F)
A = Standard plug
C = Standard plug with mating connector
5. Fittings
If required, enter order code from pages 39 to 40.
If none, enter “0”.
6. Enter “0”
7. Sheath Construction
A = 316SS
8-9. Sheath Length “L” (inch)
02, 04 and 06
Whole inches: 02 to 36
10. Sheath Length “L” (fractional inch)
0 = No fraction, whole inches
1=1⁄8 3=3⁄8 5=5⁄8 7=7⁄8
2=1⁄4 4=1⁄2 6=3⁄4
11. Element
2-wire 3-wire
100Ω Single A B
12. Temperature Coefficient
DIN 0.00385
A = Class A
B = Class B
13-14. Enter “00”
15. Special Requirements
0 = None
X = Special requirements, consult factory
RC 000
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L
RTDs and Thermistors
Custom Ordering Information—Items in Bolded Green Type are preferred
with shorter lead times.
A
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