General Purpose Digital Contact Sensor

GT series

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Sensor head: Standard/Low-stress

Model

GT-H10

GT-H22

GT-H10L

GT-H22L

Type

Sensor head: Standard

Sensor head: Low-stress

Measuring range

10 mm

22 mm

10 mm

22 mm

Measuring force

Downward mounting

1.0 N*1

1.5 N*1

0.3 N*1

0.35N*1

Side mounting

0.9 N*1

1.4 N*1

0.25N*1

0.3 N*1

Upward mounting

0.8 N*1

1.3 N*1

0.2 N*1

0.25N*1

Mechanical response

10 Hz (at ambient temperature of 23 °C)

8 Hz (at ambient temperature of 23 °C)

7 Hz (at ambient temperature of 23 °C)

5 Hz (at ambient temperature of 23 °C)

Repeatability

3 µm (at ambient temperature of 23 °C)*2

8 µm (at ambient temperature of 23 °C)*2

3 µm (at ambient temperature of 23 °C)*2

8 µm (at ambient temperature of 23 °C)*2

Environmental resistance

Enclosure rating

IP67

-

Ambient temperature

-10 to +55 °C

Relative humidity

35 to 85 % RH

Material

Housing: TYPE430 Stainless steel, Indicator: Polyarylate,
Dust boot: NBR, Contact: TYPE304 stainless steel, Cable: PVC

Housing: TYPE430 Stainless steel, Indicator: Polyarylate,
Contact: TYPE304 stainless steel, Cable: PVC

Weight

Approx. 115 g (With 2-m cable)

Approx. 135 g (With 2-m cable)

Approx. 115 g (With 2-m cable)

Approx. 135 g (With 2-m cable)

*1 Value read near the center of the measuring range
*2 Value read at the center of the measuring range with the response time set to 100 ms.

Sensor head: Air push models

Model

GT-A10

GT-A22

Type

Sensor head: Air push models

Measuring range

10 mm

22 mm

Measuring force

Downward mounting

1.0 N*1

1.5 N*1

Side mounting

0.9 N*1

1.4 N*1

Upward mounting

0.8 N*1

1.3 N*1

Repeatability

3 µm (at ambient temperature of 23 °C)*2

8 µm (at ambient temperature of 23 °C)*2

Environmental resistance

Enclosure rating

IP67*3

Pressure resistance

1.0 MPa

Withstand pressure

0.35 to 0.5 MPa

Ambient temperature

0 to +55 °C

Relative humidity

35 to 85 % RH

Material

Housing: TYPE430 stainless steel, Cylinder: Aluminum alloy, Plastic section of air joint: Polyacetal, Metal section of air joint: Nickel-plated brass,
Indicator: Polyarylate, Dust boot: NBR, Contact: TYPE304 stainless steel, Cable: PVC

Weight

Approx. 150 g (With 2-m cable)

Approx. 180 g (With 2-m cable)

*1 Value read near the center of the measuring range
*2 Value read at the center of the measuring range at ambient temperature of 23 °C with the response time set to 100 ms.
*3 To ensure you achieve the rating, connect the air tube to the air outlet joint and prevent foreign matter from entering it through the joint.

Amplifier unit: NPN output

Model

GT-71A

GT-72A

GT-75A

GT-76A

Type

Amplifier unit

Mounting type

DIN rail mount*1

Panel mount

Output

NPN output

Main unit/Expansion unit

Main unit*2

Expansion unit*2

Main unit*2

Expansion unit*2

Power consumption

Normal

At 12 V: 1,140 mW (95 mA) or less, At 24 V: 1,200 mW (50 mA) or less

Power saving (Eco)

At 12 V: 600 mW (50 mA) or less, At 24 V: 840 mW (35 mA) or less

Display power

Measured value display

6-digit 7-segment LED (red)

Other displays

2-colour 13-level bar LED display (red, green), indicators (red, green)

Display range

-99.999 to 999.999

Display resolution

1 µm

Sampling rate

2,000 times/second

Control input

Timing/preset/bank input

Timing input: Non-voltage input (relay contact, solid state), input time: 2 ms or more
Preset/Bank input: Non-voltage input (relay contact, solid state), input time: 20 ms or more

Response time

hsp (1.5 ms) , 5 ms, 10 ms, 100 ms, 500 ms, 1 s, 5 s

HIGH, GO, LOW output

NPN Offenkollektor, max. 50 mA (40 V oder weniger), Restspannung: 1 V oder weniger, N.O./N.C. umschaltbar

Major functions

Preset, Hold, Variable hysteresis, Variable response time, Multiplier setting, Bank function (4 banks),
Self-timing, Power save (eco) mode, Application mode, Calibration function, Core alarm

Rating

Power voltage

12 to 24 VDC, Ripple (P-P) 10 % or less*3

Environmental resistance

Ambient temperature

-10 to +55 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Material

Main body case: Polycarbonate, Key top: Polyacetal, Front sheet: Polycarbonate, Cable: PVC

Accessories

Instruction manual

Panel mounting bracket, protective front cover, power cable, instruction manual

Panel mounting bracket, protective front cover, power cable, flat cable for expansion, instruction manual

Weight

Approx. 110 g (including the power cable)

Approx. 110 g (: including panel mounting bracket, protective front cover, power cable)

*1 Be sure to mount the DIN rail mounting amplifier on a DIN rail (i.e. the unit should be mounted on the metal DIN plate itself). For additional amplifier unit installation, be sure to use the end unit (OP-26751).
*2 One main unit and nine expansion units (ten in total) can be additionally installed. For additional amplifier unit installation, each output current must be 20 mA or less.
*3 If additional amplifier units are installed, the power supply voltage is 24 VDC.

Amplifier unit: PNP output

Model

GT-71AP

GT-72AP

GT-75AP

GT-76AP

Type

Amplifier unit

Mounting type

DIN rail mount*1

Panel mount

Output

PNP output

Main unit/Expansion unit

Main unit*2

Expansion unit*2

Main unit*2

Expansion unit*2

Power consumption

Normal

At 12 V: 1,140 mW (95 mA) or less, At 24 V: 1,200 mW (50 mA) or less

Power saving (Eco)

At 12 V: 600 mW (50 mA) or less, At 24 V: 840 mW (35 mA) or less

Display power

Measured value display

6-digit 7-segment LED (red)

Other displays

2-colour 13-level bar LED display (red, green), indicators (red, green)

Display range

-99.999 to 999.999

Display resolution

1 µm

Sampling rate

2,000 times/second

Control input

Timing/preset/bank input

Timing input: Non-voltage input (relay contact, solid state), input time: 2 ms or more
Preset/Bank input: Non-voltage input (relay contact, solid state), input time: 20 ms or more

Response time

hsp (1.5 ms) , 5 ms, 10 ms, 100 ms, 500 ms, 1 s, 5 s

HIGH, GO, LOW output

PNP Offenkollektor, max. 50 mA (40 V oder weniger), Restspannung: 1 V oder weniger, N.O./N.C. umschaltbar

Major functions

Preset, Hold, Variable hysteresis, Variable response time, Multiplier setting, Bank function (4 banks),
Self-timing, Power save (eco) mode, Application mode, Calibration function, Core alarm

Rating

Power voltage

12 to 24 VDC, Ripple (P-P) 10 % or less*3

Environmental resistance

Ambient temperature

-10 to +55 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Material

Main body case: Polycarbonate, Key top: Polyacetal, Front sheet: Polycarbonate, Cable: PVC

Accessories

Instruction manual

Panel mounting bracket, protective front cover, power cable, instruction manual

Panel mounting bracket, protective front cover, power cable, flat cable for expansion, instruction manual

Weight

Approx. 110 g (including the power cable)

Approx. 110 g (: including panel mounting bracket, protective front cover, power cable)

*1 Be sure to mount the DIN rail mounting amplifier on a DIN rail (i.e. the unit should be mounted on the metal DIN plate itself). For additional amplifier unit installation, be sure to use the end unit (OP-26751).
*2 One main unit and nine expansion units (ten in total) can be additionally installed. For additional amplifier unit installation, each output current must be 20 mA or less.
*3 If additional amplifier units are installed, the power supply voltage is 24 VDC.

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