From uncertaintyto stability
306
050
306
CRTD (PRTD) 306 resistance thermometers are designed for electric engine winding temperature measurement. Can be installed in stator slots or enectric engine winding. Thermometers can be equipped with ATC adapters for measuring chain connection.
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Connection diagram |
3-wire |
tolerance class B, C |
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4-wire |
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Vibration resistance GOST R 52931 |
group V3 |
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Seismic resistance MSK-64 |
grade 9 for unit installation up to 70 m above zero mark |
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Climatic category GOST 15150 |
UHL2 |
Ambient temperature: |
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Calibration |
- GOST 8. 461-2009; |
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Response time |
does not exceed 10 seconds |
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Group of operating conditions |
Probability of |
Specified lifetime |
Mean |
Guarantee |
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I |
0.95 for 40 000 hours |
5 years |
10 years |
5 years |
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II |
0.95 for 16 000 hours |
2 years |
4 years (6 years)* |
2 years |
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* - Increased mean lifetime with 0,6 failure-free operation possibility for the given period.
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TC type |
Thermowell material |
Group of |
Tolerance |
Application |
Cal. int. |
Mean lifetime |
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CRTD |
Polyethylene tube |
II |
B, С |
– 50…+90 |
2 years |
5 years |
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PRTD |
I |
B, С |
– 50…+90 |
5 years |
10 years |
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PRTD |
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306 |
— |
0 |
60 |
— |
Pt100 |
— |
В |
3 |
— |
F |
— |
12 |
— |
110 |
/ |
l |
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1 |
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2 |
3 |
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4 |
5 |
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6 |
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7 |
8 |
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9 |
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10 |
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11 |
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12 |
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NN |
Name |
Code |
Description |
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1 |
Sensor type |
CRTD |
Copper resistance temperature detector |
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PRTD |
Platinum resistance temperature detector |
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2 |
Explosion protection |
Not filled |
general purpose electrical equipment |
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Exi |
0ExiaIICT6 X, intrinsically safe circuit |
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3 |
Modification |
306 |
see drafts at page |
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4 |
Terminal head |
0 |
Free electrode ends 50mm |
IP65 |
0ExiaIICT6Х or general purpose |
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2 |
miniature plug |
IP40 |
general purpose |
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4 |
standard plug |
IP40 |
general purpose |
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5 |
Sensor terminal |
60 |
stranded conduction, PTFE / shield / PTFE insulation - shield is insulated from sensor body and does not have a terminal. IP65 |
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6 |
Type of TC |
50P, 100P, Pt100, Pt500, |
NSC according to GOST 6651-2009 |
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7 |
Tolerance class |
В, С |
Tolerance class according to GOST 6651-2009 |
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8 |
Connection diagram |
3, 4 |
3- and 4-wire connection diagram |
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9 |
Sheath material |
F |
Polyethylene tube |
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10 |
Plate width, mm |
12 |
see draft |
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11 |
Probe length, L |
110 |
see draft, specify dimensions in mm |
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12 |
Extension wire length ℓ |
500÷5000 |
specify dimensions in mm 500, 1000, 2000 3150 and more |
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