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GREAT SYSTEM INDUSTRY CO. LTD

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  3. 24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with
China 24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with
China 24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with

  1. China 24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with
  2. China 24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with

24765-02-00 High Temperature Dual Transducer Case Expansion Transducer with

  1. MOQ： 1
  2. Price： 1600
  3. Get Latest Price
Payment Terms T/T
Delivery Time 12-16weeks
Packaging Details Factory original
Brand Name BENTLY NEVADA
Model Number 135613
Certification CE
Place of Origin USA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Delivery Time 12-16weeks
Packaging Details Factory original Brand Name BENTLY NEVADA
Model Number 135613 Certification CE
Place of Origin USA
High Light high temperature expansion transducer ，weatherproof LVDT assembly ，thermal growth measurement transducer
Thermal Case Growth Measurements in Large Turbines
An important position measurement in Turbine Supervisory Instrumentation (TSI)
is case expansion. Case expansion (sometimes referred to as shell expansion) is
the thermal growth of the machine case as it expands during machine startup
and on-line operations. The case expansion transducer system is typically
mounted on the foundation at the opposite end from where the turbine casing is
attached to the foundation and provides information about the growth of the
machine case relative to the foundation.
Case expansion is a parameter that you should use a dual transducer
arrangement to measure. This arrangement provides information about the
position of the sliding feet on the machine case. A condition that obstructs or
jams one foot could distort the case and damage the machine. The dual case
expansion transducer configuration in conjunction with the 3300 or 3500
monitors provides an alarm for this condition. The high temperature dual case
expansion transducer configuration is compatible only with the 3500/45 Position
Monitor.
Case expansion measurements also enable you to determine whether machine
conditions are exceeding expected temperature growth differentials. This is
primarily a startup parameter that determines whether the machine casing and
rotor grow thermally at nearly the same rate. Different rates of thermal growth
can cause the rotating and stationary parts of the machine to rub.
The case expansion transducer assembly consists of a linear variable differential
transformer (LVDT), which is housed in a weatherproof, protective enclosure.
How a Case Expansion Transducer Works
The case expansion transducer system uses the LVDT to measure the machine
case thermal growth.
A rod on the LVDT connects to the machine. As the machine case grows, the rod
moves inside the LVDT and changes the signal in the LVDT. The transducer
electronically conditions the signal and outputs it to a monitor for display and
alarms.
The High Temperature Case Expansion Transducer is designed to meet TYPE 4
requirements.
Specifications
24765 dc LVDT Assembly
Electrical
Scale Factor
24765-01:
0.346 V/mm (8.79 V/in).
24765-02:
0.404 V/mm (10.25 V/in).
24765-03:
0.143 V/mm (3.63 V/in).
Linear Range
24765-01:
25.4 mm (1.00 in).
24765-02:
50.8 mm (2.00 in).
24765-03:
101.6 mm (4.00 in).
-3 dB Frequency
24765-01:
20 Hz.
24765-02:
15 Hz.
24765-03:
10 Hz.
Linearity
±0.5% full-range.
Stability
0.125% full-scale.
Environmental Limits
Operating
Temperature
-18 C to +71 C (0 F to +160 F).
Storage
Temperature
-54 C to +93 C (-65 F to +200
F).
Mechanical
Height
88.9 mm (3.50 in).
Width
117 mm (4.60 in).
Length
24765-01 and -02:
241 mm (9.50 in).
24765-03:
328 mm (12.90 in).
Weight
24765-01 and -
02:
2.3 kg (5.0 lbs)
24765-03:
2.7 kg (6.0 lbs)
Thread
6-40 UNF-2B core end
1/4-20 UNC-2A machine end.
Compliance and Certifications
EMC
Standards:
EN 61000-6-2 Immunity for
Industrial Environments
EN 61000-6-4 Emissions for
Industrial Environments
135613 dc LVDT High Temperature Case
Expansion Transducer System
Electrical
Scale Factor
135613-01 and -
11:
0.20 V/mm (5.0 V/in).
135613-02 and -12:
0.10 V/mm (2.5 V/in).
135613-03 and -
13:
0.049 V/mm (1.25 V/in).
24765 DC LVDT Assembly for Case Expansion Measurement
24765 DC LVDT Assembly Specifications
Parameter Specification
Input Power +24 Vdc, 30 mA minimum
Scale Factor 24765-01: 0.346 V/mm (8.79 V/in)
24765-02: 0.404 V/mm (10.25 V/in)
24765-03: 0.143 V/mm (3.63 V/in)
Linear Range 24765-01: ±12.7 mm (±0.5 in)
24765-02: ±25.4 mm (±1.00 in)
24765-03: ±51 mm (±2.00 in)
-3 dB Frequency 24765-01: 20 Hz
24765-02: 15 Hz
24765-03: 10 Hz
Output Impedance 7 kΩ nominal, all models
Minimum Load Resistance 24765-01: 50 kΩ
24765-02: 100 kΩ
24765-03: 200 kΩ
Ordering Information
Case Expansion Transducer Assembly (dc)
24765-AXX-BXX
A: Linear Range Option
0 1 25.4 mm (1.00 in)
0 2 50.8 mm (2.00 in)
0 3 101.6 mm (4.00 in)
B: Spring Option
0 0 Without spring return
0 1 With spring return
135613 DC LVDT High Temperature Case Expansion Transducer System
135613 DC LVDT High Temperature Case Expansion Transducer System
Parameter Specification
Input Power +13.5 to +26 Vdc unregulated, 30 mA minimum
Voltage Output +1 to +6 Vdc, all models
Output Noise <10 mV
Scale Factor 135613-01/-11: 0.20 V/mm (5.0 V/in)
135613-02/-12: 0.10 V/mm (2.5 V/in)
135613-03/-13: 0.049 V/mm (1.25 V/in)
Linear Range 135613-01/-11: 25.4 mm (1.00 in)
135613-02/-12: 50.8 mm (2.00 in)
135613-03/-13: 101.6 mm (4.00 in)
-3 dB Frequency 200 Hz typical, all models
Stability 0.125% full-scale
Non-Linearity Less than 0.25% full-scale
Temperature Coefficient 0.05%/°C (0.028%/°F) maximum


135613 DC LVDT Dimensions
Dimension Specification
Body Length 135613-01/-11: 171 mm (6.75 in)
135613-02/-12: 209 mm (8.24 in)
135613-03/-13: 297.4 mm (11.71 in)
Body Diameter 19.2 mm (0.75 in), all models
Body End to Null Center 135613-01/-11: 65.4 mm (2.57 in)
135613-02/-12: 84.3 mm (3.32 in)
135613-03/-13: 129 mm (5.07 in)
Core Length 135613-01/-11: 87.6 mm (3.45 in)
135613-02/-12: 87.6 mm (3.45 in)
135613-03/-13: 135 mm (5.30 in)
Core Diameter 4.8 mm (0.19 in), all models

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Distributor/Wholesaler

  • Year Established:

    1998

  • Total Annual:

    7000000-10000000

  • Employee Number:

    50~100

  • Ecer Certification：

    Verified Supplier

  Great System In.(GSI) a name synonymous with Process Control Instrumentation and Electrical and Instrument and Solution Provider have established themselves as a Quality Leader since its inception in 1998 based at Hong Kong ( China ). For more than 26 years, we have successfully execute...   Great System In.(GSI) a name synonymous with Process Control Instrumentation and Electrical and Instrument and Solution Provider have established themselves as a Quality Leader since its inception in 1998 based at Hong Kong ( China ). For more than 26 years, we have successfully execute...

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Get in touch with us

  • Reach Us
  • GREAT SYSTEM INDUSTRY CO. LTD
  • Flat 10, 6/F, Block A, Hi-Tech Ind. Ctr. 5-21 Pak Tin Par St, Tsuen Wan, HK
  • https://www.industryinstrumentation.com/

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