200125 Thermocouple Installation Guide Part Number 149965-01

Rev. F (01/13)

Page 1 of 4

Bently Nevada* Asset Condition Monitoring 200125 Thermocouple Installation Guide

200125 Thermocouple Installation Guide Part Number 149965-01

Rev. F (01/13)

Page 2 of 4

Specifications Operation outside of the specified limits can result in false or inaccurate readings.

Electrical Calibration

Type K

Accuracy

±1.1 ºC (±2 ºF), per ANSI MC96.1 Special Limits

Resistance

1.92 Ω per Double Metre @ 20 ºC

(0.585 Ω per Double Foot @ 68 ºF)

Isolation

600 Vrms, less than 1 mA current

Polarity (USA, ANSI MC96.1)

Positive = Yellow

Negative = Red

Environmental Operating Temperature

-55 ºC to +200 ºC (-67 ºF to +392 ºF), sensing end

Storage Temperature

-55 ºC to +110 ºC (-67 ºF to +230 ºF), entire unit is limited by tag and shrink tubing

Humidity

Up to 100% relative humidity, condensing

Vibration

Up to 50 m/s2 pk (5.1 g pk) continuous, 500 m/s2 (51 g pk) short duration

Shock:

Will survive a 1-metre (3.3-foot) drop to a concrete floor

Physical Case material

304 stainless steel

Insulation/ Sheathing

Teflon®, Neoflon® PFA duplex insulation, 304 stainless steel overbraid

Cable Size

20 AWG solid

Mechanical

23 kgf (50 lbf) static pull parallel

12 kgf (25 lbf) static pull perpendicular

Dimensions are mm[in]

29.7 [1.17]

50.8 [2.00]

6.48 [0.26]

POSITION OF SENSING ELEMENT 2.55 [0.10]

CRIMPED REGION

1

5/16-24 UNF

Figure 1: Thermocouple Case Dimensions

200125 Thermocouple Installation Guide Part Number 149965-01

Rev. F (01/13)

Page 3 of 4

2

Dimensions are mm[in]

2.54 [0.10]12.7 [0.50]

19.05 [0.75]10.41 [0.41]

15.24 [0.60]

53.34 [2.10]

9.52 [0.38]

50.8 [2.00] REF

CUT AWAY1

3

Figure 2: Thermocouple and Optional Right Angle

Mounting Adaptor

ACCELEROMETER

DATE CODEPART NO. 200150

NEVADABENTLY

HOUSTON, TX

R

Figure 3: Vibration Transducer and Thermocouple

Field Installation You can install the 200125 Trendmaster* thermocouple in various configurations. The installation techniques and practices used can impact performance. To maximize sensor performance note the following: 1. Install the thermocouple shown in Figure 1 with the

tip

1 in contact with the surface to be measured. If you use a mounting adapter such as that shown in Figure 2, adjust adapter and threaded case to establish contact with the surface to be measured at

point

1 .

2. Tighten the thermocouple jam nut

2 from 11.3 to 16.9 N*m (100 to 150 in-lb). The jam nut prevents the thermocouple loosening whether installed as shown in Figure 1 or as shown using the adapter in Figure 2.

NOTES

1. Do not apply more than 5.6 N*m (50 in-lb) torque

to the crimped region

3 on the thermocouple shown in figure 1. Damage to the thermocouple may result.

2. Use an appropriate thread-locking compound on the jam nut and thermocouple threads.

DANGER Routing wires near high voltage lines can present a shock hazard. Contact with exposed high voltage

wires can cause injury or death. Route thermocouple wires awary from high voltage lines.

3. Route the thermocouple cable away from excessive heat, sharp edges, and high voltages. Maintain a bend radius of 25.4 mm (1 in) or greater.

4. Tie the thermocouple cable at a point no more than 153 mm (6 inches) from the threaded steel sensor case. Secure remaining cable at regular intervals. Proper securing of the cable will minimize cable fatigue failure caused by excessive cable motion. See Figure 3.

Electrical Connection The 200125 Trendmaster* Thermocouple connects to type k interfaces. Standard ANSI color coding (USA, ANSI MC96-1-82) is used on the thermocouple wire.

• Outer Jacket – Brown • Positive – Yellow • Negative – Red

Refer to the appropriate interface instructions for further details.

200125 Thermocouple Installation Guide Part Number 149965-01

Rev. F (01/13)

Page 4 of 4

* Denotes a trademark of Bently Nevada, Inc., a wholly owned subsidiary of General Electric Company.

Teflon is a trademark of E.I. du Pont de Nemours and Company. Neflon is a trademark of Daikin Industries, Ltd.

© 2001 – 2013 Bently Nevada, Inc. All rights reserved.

Printed in USA. Uncontrolled when transmitted electronically.

1631 Bently Parkway South, Minden, Nevada USA 89423

Phone: 775.782.3611 Fax: 775.215.2873 www.ge-mcs.com/bently