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High Accuracy Eddy Current Type Displacement Sensor GP-A (Discontinued Products)

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We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.

	September 30, 2018

Discontinued Products
Information

Specifications

Dimensions

Circuit/ Wiring

Sensing characteristics

Cautions For Use

Specifications

Type		For 1 mm 0.039 in sensing		For 2 mm 0.079 in sensing
		Non-threaded type sensor head		Non-threaded type sensor head		Threaded type sensor head
			Different frequency		Different frequency		Different frequency
Set model No.		GP-A5S	GP-A5SI	GP-A8S	GP-A8SI	GP-A10M	GP-A10MI
Sensing range		0 to 1 mm 0 to 0.039 in		0 to 2 mm 0 to 0.079 in
Standard sensing object		Iron sheet 8 x 8 x t 1 mm 0.315 x 0.315 x t 0.039 in		Iron sheet 12 x 12 x t 1 mm 0.472 x 0.472 x t 0.039 in
Supply voltage		24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption		150 mA or less
Analog outputs (Analog voltage output Analog current output)		Analog voltage ・Output voltage: 0 to 5 V ・Output impedance: 100 Ω approx. Analog current ・Output current: 4 to 20 mA ・Load resistance: 0 to 350 Ω
	Response frequency	1.6 kHz (-3 dB)
	Resolution	0.04 % F.S.
	Linearity	Within ±0.5 % F.S.
Alarm output		NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between alarm output and 0 V) ・Residual voltage: 1.6 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current)
	Output operation	Turns ON when the sensor head connection is improper or the sensor head cable is disconnected
	Short-circuit protection	-
External zero-adjustment input		Input condition: Non-voltage contact or NPN open-collector transistor input Signal condition: Low ... 0 to 1 V (duration 30 ms or more) High ... 5 to 30 V, or open Operation: Low ... External zero-adjustment setting High ... External zero-adjustment ineffective
Zero-adjustment setting method		Push button setting / External input setting
Power indicator		Green LED (lights up when the power is ON)
Over indicator		Orange LED (lights up when sensing range is exceeded)
Alarm indicator		Yellow LED (lights up when the alarm output is ON)
Adjustments		(1) Shift adjustment (by push-buttons), (2) Span adjustment (by 14-turn adjuster)
Temperature characteristics (Note 2)	Sensor head	0.5 μm/℃ 0.020 mil/℃		0.6 μm/℃ 0.024 mil/℃	1 μm/℃ 0.039 mil/℃	0.6 μm/℃ 0.024 mil/℃	1 μm/℃ 0.039 mil/℃
Temperature characteristics (Note 2)	Amplifier	0.4 μm/℃ 0.016 mil/℃		0.8 μm/℃ 0.031 mil/℃
Protection	Sensor head	IP67 (IEC), IP67G
Protection	Amplifier	-
Ambient temperature	Sensor head	-10 to +55 ℃ +14 to +131 ℉, Storage: -20 to +70 ℃ -4 to +158 ℉
Ambient temperature	Amplifier	0 to +50 ℃ +32 to +122 ℉ (No dew condensation allowed), Storage: 0 to +50 ℃ +32 to +122 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
Voltage withstandability	Sensor head	250 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance	Sensor head	20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance	Sensor head	10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each
Vibration resistance	Amplifier	10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each
Shock resistance	Sensor head	500 m/s² acceleration (50 G approx.) in X, Y and Z directions five times each
Shock resistance	Amplifier	100 m/s² acceleration (10 G approx.) in X, Y and Z directions five times each
Material	Sensor head	Enclosure: Stainless steel (SUS303) Sensing part: Polyalylate		Enclosure: Stainless steel (SUS303) Sensing part: ABS
Material	Amplifier	Enclosure: ABS
Cable	Sensor head	Connector attached high frequency coaxial cable, 3 m 9.843 ft long
Cable length (Note 3)	Amplifier	Total length up to 100 m 328.084 ft is possible with 0.3 mm², or more, cable.
Net Weight	Sensor head	40 g approx.				50 g approx. (Note 4)
Net Weight	Amplifier	170 g approx.
Accessories		Adjusting screwdriver: 1 pc.				Nut: 2 pcs., Toothed lock washer: 1 pc. Adjusting screwdriver: 1 pc.

Type		For 5 mm 0.197 in sensing		For 3 mm 0.118 in sensing
		Threaded type sensor head		Front sensing type sensor head
			Different frequency		Different frequency
Set model No.		GP-A12ML	GP-A12MLI	GP-A14F	GP-A14FI
Sensing range		0 to 5 mm 0 to 0.197 in		0 to 3 mm 0 to 0.118 in
Standard sensing object		Iron sheet 30 x 30 x t 1 mm 1.181 x 1.181 x t 0.039 in		Iron sheet 15 x 15 x t 1 mm 0.591 x 0.591 x t 0.039 in
Supply voltage		24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption		150 mA or less
Analog output (Analog voltage output Analog current output)		Analog voltage ・Output voltage: 0 to 5 V ・Output impedance: 100 Ω approx. Analog current ・Output current: 4 to 20 mA ・Load resistance: 0 to 350 Ω
	Response frequency	1.6 kHz (-3 dB)
	Resolution	0.04 % F.S.
	Linearity	Within ±0.5 % F.S.
Alarm output		NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between alarm output and 0 V) ・Residual voltage: 1.6 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current)
	Output operation	Turns ON when the sensor head connection is improper or the sensor head cable is disconnected
	Short-circuit protection	-
External zero-adjustment input		Input condition: Non-voltage contact or NPN open-collector transistor input Signal condition: Low ... 0 to 1 V (duration 30 ms or more) High ... 5 to 30 V, or open Operation: Low ... External zero-adjustment setting High ... External zero-adjustment ineffective
Zero-adjustment setting method		Push button setting / External input setting
Power indicator		Green LED (lights up when the power is ON)
Over indicator		Orange LED (lights up when sensing range is exceeded)
Alarm indicator		Yellow LED (lights up when the alarm output is ON)
Adjustments		(1) Shift adjustment (by push-buttons), (2) Span adjustment (by 14-turn adjuster)
Temperature characteristics (Note 2)	Sensor head	1.5 μm/℃ 0.059 mil/℃	2.5 μm/℃ 0.098 mil/℃	0.9 μm/℃ 0.035 mil/℃	1.5 μm/℃ 0.059 mil/℃
Temperature characteristics (Note 2)	Amplifier	2.0 μm/℃ 0.079 mil/℃		1.2 μm/℃ 0.047 mil/℃
Protection	Sensor head	IP67 (IEC), IP67G
Protection	Amplifier	-
Ambient temperature	Sensor head	-10 to +55 ℃ +14 to +131 ℉, Storage: -20 to +70 ℃ -4 to +158 ℉
Ambient temperature	Amplifier	0 to +50 ℃ +32 to +122 ℉ (No dew condensation), Storage: 0 to +50 ℃ +32 to +122 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
Voltage withstandability	Sensor head	250 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance	Sensor head	20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance	Sensor head	10 to 55 Hz frequency, 1.5 mm 0.059 in amplitude in X, Y and Z directions for two hours each
Vibration resistance	Amplifier	10 to 150 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
Shock resistance	Sensor head	500 m/s² acceleration (50 G approx.) in X, Y and Z directions for five times each
Shock resistance	Amplifier	100 m/s² acceleration (10 G approx.) in X, Y and Z directions for five times each
Material	Sensor head	Enclosure: Brass (Nickel plated) Sensing part: Nylon		Enclosure: Stainless steel (SUS303) Sensing part: ABS
Material	Amplifier	Enclosure: ABS
Cable	Sensor head	Connector attached high frequency coaxial cable, 3 m 9.843 ft long
Cable length (Note 3)	Amplifier	Total length up to 100 m 328.084 ft is possible with 0.3 mm², or more, cable.
Net Weight	Sensor head	45 g approx. (Note 4)		50 g approx.
Net Weight	Amplifier	170 g approx.
Accessories		Nut: 2 pcs., Toothed lock washer: 1 pc. Adjusting screwdriver: 1 pc.		2 pcs. each of M3 countersunk head screws, spring washers, plain washers and M3 nuts Adjusting screwdriver: 1 pc.

Note 1 : Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.

Note 2 : These values are for a range which is 20 to 60 % of the maximum sensing distance.

Note 3 : Take care that the output voltage is reduced due to the resistance of the wiring cable.

Note 4 : The given weight of the threaded type sensor head is the value including the weight of the nuts and the toothed lock washer.

Note 1 :	Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.
Note 2 :	These values are for a range which is 20 to 60 % of the maximum sensing distance.
Note 3 :	Take care that the output voltage is reduced due to the resistance of the wiring cable.
Note 4 :	The given weight of the threaded type sensor head is the value including the weight of the nuts and the toothed lock washer.