Hydraulic jack control unit

Hydraulic jack control unit

This device is used for load/displacement control and holding control of hydraulic jacks, and can control 2 or 4 systems. The amplifier can be controlled by a personal computer for auto-zero, range setting, calibration, etc. The detected load and displacement can be calculated by the PC as a sum of two points, averaged, etc., to control the load and displacement of the jack as desired.

Product Configuration

  • Sensor

  • Control unit

  • Electric pump unit

Features
  • 2 or 4 hydraulic jack systems can be controlled
  • Amplifier can be mounted up to 12 channels
  • PC control of auto-zero, range setting, calibration, etc. possible
  • Detected load and displacement can be calculated by summing two points, averaging, etc.
  • Load and displacement control of jacks can be automatic or manual
  • Electric pump and control solenoid valve integrated
  • Manual push/pull control is possible

  • Specification
    Sensor Force transducer, displacement transducer
    Amplifier unit Number of
    measurement points    		 2 or 4 points (up to 12 points possible)
    Applicable
    Transducers    		 350Ω strain gage applied transducers
    A/D converter Resolution 12 bits
    PC Please contact us
    Displays Please contact us
    Actuator Number of jack
    control points    		 2 or 4 points
    Emergency stop possible
    Manual pressurization/
    decompression control
    possible
    Control software Initial settings Amplifier sensitivity setting, rated capacity, used capacity, rated output
    Control Mode  Target display of load and displacement, holding control
    Others Numerical display, status display, graph control, arithmetic processing
    Operating temperature and humidity range 0 to +40°C, 95% RH or less (excluding condensation)
    Power source Rated voltage AC100V　50/60Hz
    Allowable voltage AC90 to 110V 50/60Hz
    External dimensions 700 (W) x 1346 (H) x 700 (D) mm (excluding projections)
    Weight Approx. 100 kg
    Operation relay unit  Control system 2 or 4 systems
    Control method Isolated photocoupler
    Solenoid valve ON/OFF by time control
    Control solenoid valve Control system 2 or 4 systems
    Hydraulic pressure 49MPa（500kgf/cm2）
    Flow rate control Aperture valve, push/pull 2 systems
    Power source AC180 to 220V　50/60Hz
    Electric pump Discharge pressure,
    flow rate    		 49MPa (500kgf/cm2) 0.3L/min
    4.9MPa (50kgf/cm2) 5.6L/min
    Cooler Water-cooled (optional)
    Effective oil storage capacity approx. 45 L
    External dimensions 1000 (W) x 1400 (H) x 950 (D) mm (excluding projections)
    Weight Approx. 650kg

System block diagram

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PC Steel Wire Automatic Tension Measuring Device

PC Steel Wire Automatic Tension Measuring Device

This device measures the amount of elongation and tension force during PC steel wire tensioning, automatically controls the hydraulic pump, and automatically creates a PC steel wire tension record table. Hydraulic pump control can also be operated manually.

PC Steel Wire Automatic Tension Measuring Device
Features
  • Automatic calculation of design tension and final elongation based on steel used, number of pieces, and effective length
  • Correction calculations for maximum temperature during curing, outside temperature, etc. are also possible
  • Calculations can include friction coefficients for bending up, etc.
  • JIS A5373-2004 compliant

  • Specification
    Displacement Transducer DP type
    Pressure gauge sensor PWH-PA/PW-PA type
    Digital Display On-site Load Indicator
    Recording device TML-NET type
    PIO Board

    PIO-32/32L
    Made by CONTEC
    OS DOS/V

     

System block diagram

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Wireless compact FWD system

FWD-Light® Wireless Compact FWD System Specifications/Product Configuration

Wireless Compact FWD Main Unit KFDT-100A

FWD100A-overall

Wireless Compact FWD Main Unit KFDT-100A
KFD-100A is a small body falling from a heavy weight and loading of the accelerometer and built-FWD load meter free-fall will be the weight of the body weight, total amount of load and displacement values when the impact load, using an accelerometer measures. Displacement of the accelerometer measurements are derived by integrating two times.
Degree of protection IP 42 equivalent

Specifications

Dimensions of loading plate φ100 x 15(thick)mm
Mass of weight 5kg
Falling height 50 to 530mm
Falling method of weight Lever (with stopper)
Maximum load 20kN
Miaximum displacement 2.500mm
Strain gauge based sensor
Load Cell 1 point, 20kN
Acceleration transducer  1 point, 500m/s2
Data acquisition
Measurement range

Range 1000：±3,000×10-6 strain
Range 4000：±6,000×10-6 strain
Resolution 16bit
Communication section
Transmission method 2.4GHz band IEEE802.15.4 protocol compliant
Communication range Approx. 50m at sight line
Number of external
displacement sensors
connected		 Max. 4 units
Power source AA dry cell batteries (4 pcs.)
Continuous use time: approx. 20 hours
(at 23±5℃: with alkaline batteries)
Environment -20 to +60°C, less than 85%RH (no condensation)
Height Approx. 1250mm
Weight Approx. 15kg. (including 5kg weight)

Wireless external displacement sensor　KFDST-1A

KFDST-1A

FWD-Light for the External Displacement Sensors up to 4 expansion units can be connected.
Degree of protection IP 42 equivalent

Specifications

Maximum
displacement		 0 to 1.000 mm (sensor is accelerometer)
External dimensions φ90×175(H)mm (excluding protruding parts)
Power source AA dry cell batteries (4 pcs.)
Power source Continuous use time: approx. 20 hours
(at 23±5℃: with alkaline batteries)
Environment -20 to +60°C, less than 85%RH (no condensation)
Weight  Approx. 3.7kg
Communication section
Communication method 2.4GHz band, IEEE802.15.4 protocol compliant
Communication distance Approx. 50m in line of sight

Wireless FWD Controller ZT-120F/ZT-121F

ZT-120F ZT-121F

The wireless FWD controller ZT-120F/-121F receives data transmitted from the main unit of the compact FWD and uses the included measurement processing software ZT-7100 to capture waveforms, monitor measurements, and capture peak force and displacement values.
The wireless controller operates on USB bus power of the connected PC.
The user can select either the ZT-120F with USB cable or the ZT-121F with built-in antenna at the time of purchase.

Specifications

Type ZT-120F
Communication section
Communication method  2.4GHz band IEEE802.15.4 protocol compliant
Communication distance Approx. 50 m in line of sight
External interface  USB 2.0 compliant (cable length: approx. 1.7 m)
Number of connected sensors 1 main unit, up to 4 external displacement sensors
Power supply 4.7V-5.3V DC (supplied from PC via USB)
70mA MAX(DC5.0V)
Environment 0 to +50℃, less than 85%RH (no condensation)
External dimensions 30(W)×25(H)×65(D)mm (excluding projections)
Weight Approx. 130g (including antenna and cable)
Type ZT-121F
Communication section
Communication method 2.4GHz band IEEE802.15.4 protocol compliant
Communication distance Approx. 50 m in line of sight
External interface USB 2.0 compliant (push-in connector)
Number of connected sensors 1 main unit, up to 4 external displacement sensors
Power supply 4.7V-5.3V DC (supplied from PC via USB)
100mA MAX(DC5.0V)
Environment 0 to +50℃, less than 85%RH (no condensation)
External dimensions 35(W)× 11(H)× 65(D)mm (excluding projections)
Weight Approx. 30g

Measurement Processing and Software ZT-7100

TC7100-display

Measurement processing software ZT-7100 is used for waveform acquisition, measurement monitoring, and acquisition of peak force and displacement values.

Specifications

Function
Measuring function Measurement function waveform acquisition, measurement monitoring, and load/displacement peak value acquisition
Setting Functions Test condition setting, amplifier input setting, A/D conversion setting, option setting
List function Graph display, list display, correlation graph display
Conversion Functions  CSV file conversion
Operating Environment
OS Windows 7/8.1/10
ＣＰＵ Pentium150MHz or higher recommended
Memory 128M bytes or more recommended
Hard disk 2 GB or more
Display 1024 x 768 dots or higher resolution
Interface USB 2.0 compliant, recognized as virtual COM port
Measuring instrument Wireless controller: 1 unit
Compact FWD main unit: 1 unit
Up to 4 external displacement sensors (optional)

Options

Product Name Type Product photo Notes
External Displacement Sensor KFDSＴ-1A KFDST-1A  
Added weight drop(10kg) KFDF-11-10 KFDF-11  
Added weight drop(15kg) KFDF-11-15  
Loading plate(φ90mm) KFDF-31-90 KFDF-31 φ90×t15mm
Loading plate(φ150mm) KFDF-31-150 φ150×t15mm
Loading plate(φ200mm) KFDF-31-200 φ200×t15mm
Loading plate(φ300mm) KFDF-31-300 φ300×t22mm
Rubber buffer KFDF-51 KFDF-51  
Simple calibration device KFDF-61 KFDF-61 Simple calibration equipment for measuring data to confirm this at the scene
Mobile Storage Aluminum Case KFDF-21-2 KFDF-21-2 Weight for weight with storage options / external displacement
Careers KFDF-42 KFDF42-Carrier FWD-Light fixtures only move
Portable and storage aluminum case KFDF-21-3 KFDF-21-3  

PC-connected Measuring Instruments

USB Strain Converter DSCUSB

The DSCUSB is an on-line measuring instrument that connects to a PC via a USB interface. A sensor input conversion cable is included, allowing direct connection of strain-gauge transducers.
Compact and power supply-free. Measurements can be made easily and reports can be generated immediately. 
This product is imported from Mantracourt Electronics Limited, UK.

USB Strain Converter DSCUSB
Features
  • Pocket-sized, weighing only 45 grams
  • No power supply required (using USB bus power)
  • Data is recorded in CSV format. Data can be organised using familiar spreadsheet software.
  • Measurement with multiple units possible (using a USB hub).
  • Conversion cable with NDIS connector included

  • Specifications
    Type DSCUSB
    measurement object Strain gauge transducers (4-gauge 80 to 5000 Ω)
    Number of measuring point 1(Can be used with multiple units)
    bridge power supply DC5V
    Measuring range ±3mV/V （±6000×10-6strain）
    A/D conversion 24bit
    Sampling frequency 1, 2, 5, 10, 20, 50, 60, 100, 200 Hz
    Recording interval Can be set arbitrarily between 10ms and 32s
    Filter Recursive filters (IIR) Programmable
    Interface USB
    OS Windows 7/8/8.1/10
    Operating temperature and humidity range -40 to +85℃ 95%RH or less (excluding condensation)
    External dimensions 71(W)×20(H)×51(D) （Excluding connectors）
    Weight 45g（Main unit only）
    Power Supplied from USB bus power

Please download the standard software “DSCUSB Toolkit” from the link below.

Mantracourt Electronics Ltd. : DSCUSB