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Strain Gages Accessories

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General stress measurement
High temperature
Low temperature
Waterproof
High-elongation strain
Concrete
Composite material
Printed board
Plastics
Bolt axial tension
High electric field
High magnetic field
Hydrogen
Highly sensitive semiconductor
Residual stress
Crack
Internal stress
Bending strain
Weldable
Thermocouple-equipped

Operating Temperature

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High temperature (350℃ or higher)
High temperature (150 to 350℃)
Normal to Mid/High Temperature
Low temperature (－40 to 0℃)
Ultra low (－269 to 0℃)

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Gage Patterns

Uniaxial
Biaxial
3
5-element
Biaxial torque’s
Special

Gage lengths

Shorter than 1 mm
1 to 5 mm
6 to 30 mm
longer than 30 mm

Gage resistances

60 Ω
120 Ω
350 Ω
500 Ω
1000 Ω or higher

Product image	Type	Description
	KFGS Series General-purpose Foil Strain Gages	New strain gages with the world highest level performance. Click here for the [Typical Strain Gage Bonding Procedure] Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFGS for Residual Stress Measurement	KFGS gages equipped with a gage terminal enable one-touch- connection/disconnection of the lead-wire cable. They are suitable for residual stress measurement with the cutting method. A clip-equipped dedicated cable T-C26 (Vinyl-coated, 2 m long) is optionally available.
	KFB Strain Gages for Measuring Axial Tension of Bolts	If it is difficult to bond a strain gage to the surface of a bolt for measuring the tightening stress, these gages enable the measurement by embedding into a hole, 2 mm in diameter, bored from the top head of the bolt.
	KFGT Series Foil Strain Gages with a Temperature Sensor	The KFGT gages are foil strain gages incorporating a T-type thermocouple for simultaneous measurement of strain and temperature. They ensure efficient strain measurement under environments where temperature change or temperature gradient requires simultaneous measurement of strain and temperature. They also provide highly precise compensation of thermally-induced apparent strain. It is recommended to use Kyowa data logger UCAM-60C M14 as a measuring instrument.
	KFRB Series General-purpose Foil Strain Gages	The KFRB series foil strain gages are durable and easy-to-use high-grade strain gages. The gage element is sandwiched between heat-resistant polyimide base and cover, thereby letting it exhibit high performance in a wide temperature range. Click here for the [Typical Strain Gage Bonding Procedure] Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFWB Series Waterproof Foil Strain Gages	The surface of the KFWB series foil strain gage is covered with a special waterproof resin. The waterproof structure enables these gages to serve for outdoor or underwater measurement merely by being bonded to measuring objects. (The insulation resistance shows virtually no deterioration even after 100 hours of use under an underwater pressure of approximately 10 MPa.) In addition, the covering resin is flexible enough to enable easy bonding to curved surfaces. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFWS Series Small-sized Waterproof Foil Strain Gages	The KFWS series foil strain gages are small-sized waterproof gages suitable for outdoor or underwater strain measurement where gage bonding space is limited. The waterproof resin is as thin as 1.3 mm, making them flexible enough to be bonded to a curved surface of 10 mm diameter. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFV Foil Strain Gage for Hydrogen Gas Environment	KFV is a foil strain gage that enables stable strain measurement under high-pressure hydrogen gas environments.
	KCW Series Weldable Waterproof Foil Strain Gages	The KCW series foil strain gages are weldable gages, which do not require any coating treatment for use under high pressure or under water. The G10 type endures a water pressure of approximately 10 MPa.
	KFGS for Concrete	Listed here are the KFGS series gages with a suitable lead-wire cable for strain measurement of concrete. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFGS for Boring Method	Designed to measure residual stress released by the boring method.
	KC Series Wire Strain Gages	Featuring a longer gage length, the KC series gages are wire strain gages suitable for mean strain measurement of concrete under test. Usually, a model with the gage length over 3 times longer than the maximum diameter of the aggregate (gravel, sand, etc.) is selected for the purpose. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KM Series Embedded Strain Gages	The KM series gages are designed to be embedded in mortar or concrete for the purpose of measuring the internal stress. To ensure better adhesion to mortar or the like, the KM series gages feature a specially treated surface. They also provide suitable waterproofness and elastic modulus for the intended purpose. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KMC Series Concrete-embedded Strain Gages	The KMC series gages are designed to measure self-shrinkage and self-stress of cemented materials. They enable measurement of the self-shrinkage and high-fluidity concrete immediately after placing. They are also used effectively to check for cracks of cemented materials. Usually, a T-type thermocouple is installed near the gage, while the KMC series gages of H4 type do not require such the installation since they are equipped with a built-in thermocouple.
	KFRPB Series Foil Strain Gages for Composite Materials	The KFRPB series foil strain gages are self-temperature-compensation gages (SELCOM gages) suitable for strain measurement of composite materials such as CFRP and GFRP. The special gage pattern minimizes the effect of self-heating due to gage current and the effect of reinforcement of low-elasticity materials. To ensure accurate measurement by avoiding the self-heating effect of gage current, consider the following: 1. Select a lower excitation voltage on a measuring instrument. 2. Active-dummy system 3. 350Ω strain gages Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFRS Series Foil Strain Gages for Printed Boards	PCB are used for varieties of products including cellular phones, car navigation systems and digital cameras. The gages are the self-temperature-compensation gages (SELCOM gages) for evaluating them. Click here for the [Typical Strain Gage Bonding Procedure] Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFP Series Foil Strain Gages for Plastics	The KFP series foil strain gages provide an applicable linear expansion coefficient of 65 x 10 ^–6 /ºC, which makes them suitable for strain measurement of plastics such as acrylic resin. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KSPB Series Semiconductor Strain Gages	The KSPB series gages are stable-performance semiconductor strain gages usable for general stress measurement and transducers. The F2 type has a half-bridge formed with a 2-element structure (Positive and Negative), for self-temperature compensation and is suitable for strain measurement of steel products.
	KSNB Series Self-temperature-compensation Semiconductor Strain Gages	The KSNB series gages use an N-type silicon as the resistive element to control the resistance temperature coefficient of the material according to the linear expansion coefficient of the measuring object. Temperature Coefficient of Gage Factor: 　　Approx. -0.3%/℃ (Reference value)
	KSPH Series High-output Semiconductor Strain Gages	The KSPH series gages have high resistance, thereby making high excitation voltage applicable to obtain high output voltage.
	KSPLB Ultra Linear Semiconductor Strain Gage	The KSPLB gage features a superior linearity of resistance change against strain in a comparatively wide range, thereby making it suitable as a sensing element of transducers.
	KHCX Encapsulated Gage	Encapsulated gage is hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KHCV Encapsulated Gage	Encapsulated gage is hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KHCR Encapsulated Gage	Encapsulated strain gages are hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KHCS Encapsulated Gage	Encapsulated gage is hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KHCM Encapsulated Gage	Encapsulated gage is hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KHC Encapsulated Gage	Encapsulated gage is hermetically sealed. They consist of a sensing part and a cable to transmit output signals from the sensing part.
	KFU Series High-temperature Foil Strain Gages (350ºC)	The base is made of highly heat-resistant polyimide and the gage element is made of NiCr alloy foil, thereby letting the KFU series gage exhibit superior characteristics over a wide temperature range. Operating time (Depends on usage conditions) 24 hours or less at 350°C 72 hours or less at 300°C Click here for the [Strain Gages with Pre-attached Lead Cables]
	KH Series High-temperature Foil Strain Gages (350ºC)	The metal base enables easy mounting with a compact spot welder. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFHB Series High-temperature Foil Strain Gages (250ºC)	The base is made of highly heat-resistant polyimide and the gage element is made of NiCr alloy foil, thereby ensuring less thermal output and excellent temperature characteristics. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFLB Series Low-temperature Foil Strain Gages	The gage element is made of NiCr alloy, which exhibits excellent characteristics under low-temperature environments and is sandwiched between polyimde films. Thus, the KFLB series gages are suitable for strain measurement of tanks and vessels containing low-temperature liquids such as LNG and LPG. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFEM Series Ultrahigh-elongation Foil Strain Gages	KFEM series ultrahigh-elongation foil gages allow strain to be measured on various regions of structures, from elastic to plastic, and are suitable for large strain measurement. They can measure 20 to 30% of material deformation. *Strain limit of 20% to 30% is ensured for simple tension applied to the gage bonded on stainless steel (SUS 304) or aluminum alloy (A1050) at normal temperature. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFEL Series High-elongation Foil Strain Gages	Developed to measure strain from elastic to plastic region on structures, the KFEL series foil gages allow the strain to be measured as large as 10% to 15% with simple tension strain. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFNB Series Non-inductive Foil Strain Gages	The gage element is made of a special alloy which provides less magnetoresistant effect; also, the shape is designed to eliminate induction. Thus, the KFNB series foil strain gages allow the strain to be measured accurately under AC magnetic environments. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFSB Series Shielded Foil Strain Gages	The KFSB series foil strain gages are shielded by copper foil covering the whole body. Thus, if a large current flows to or around the gage bonding site, noise will be prevented from entering the measuring circuit. Click here for the [Strain Gages with Pre-attached Lead Cables]
	KFF Series Foil Strain Gages for Bending Strain Measurement	The KFF series foil strain gages have one each sensing element on both the upper and lower sides of the thick plastic base. If measuring stress in box structures such as bridge girders, or in high-pressure vessels that do not allow gages to be bonded directly to the inside of the measuring object, the KFF series gages can be bonded to the outside surface to obtain strain on the inside.
	KCH Series Foil Strain Gages with a Protector	The unique design simplifies gage bonding, wiring and moisture-proofing work in the field. In addition, the metal case protects the strain gage and significantly improves reliability compared with conventional gages. Using stud bolts and adhesive allows the gages to be mounted to the bottom or side plate of a tank for strain measurement, to a hopper or tank for weight measurement, to the shaft of a truck for tare weight measurement or any other similar applications where the gages need to be protected against moisture, water or small stones.
	KMP Embedded Gage	Embedded in resin, the KMP gage measures cure-shrinkage and internal strain. The compact design enables embedment in shaped resins and is suitable for internal stress measurement of products made by combining epoxy resin and metal.
	KV Series Crack Gages	Bonded to the cracked part of a structure or material (or a part of such material where a crack is predicted to develop), the KV series gages measure the developing length and velocity of the crack. Different from usual strain gages, the grids of the KV series gages are cut along with crack development, resulting in resistance change.