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Compact Micro-size Inductive Proximity Sensor GS/GA (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, 2020		Compact Inductive Proximity Sensor GA-311/GH

Discontinued Products
Information

Specifications

Dimensions

Circuit/ Wiring

Specifications

Sensor heads

Type	Non-threaded type			Front sensing type
Model No.	GS-3S	GS-5S	GS-8S	GS-14T
Applicable amplifiers	GA-2, GA-2R, GA-2D
Max. operation distance (Note 2)	2 mm 0.079 in	3 mm 0.118 in	4 mm 0.157 in	8 mm 0.315 in
Stable sensing range (Note 2)	0 to 0.8 mm 0 to 0.031 in	0 to 1mm 0 to 0.039 in	0 to 2 mm 0 to 0.079 in	0 to 5 mm 0 to 0.197 in
Standard sensing object	Iron sheet 18 × 18 × t1 mm 0.709 × 0.709 × t0.039 in
Hysteresis	50 μm 1.969 mil or less			70 μm 2.756 mil or less
Repeatability (Note 3)	2 μm 0.079 mil or less	2.5 μm 0.098 mil or less	5 μm 0.197 mil or less	5 μm 0.197 mil or less
Protection	IP67 (IEC)
Ambient temperature	–10 to +60 ℃ 14 to +140 ℉, Storage: –10 to +60 ℃ 14 to +140 ℉
Ambient humidity	35 to 95 % RH, Storage: 35 to 95 % RH
Vibration resistance	10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each
Shock resistance	500 m/s² acceleration (50 G approx.) in X, Y and Z directions three times each
Material	Enclosure: Stainless steel [threaded type sensor head: Brass (Nickel plated)], Resin part: PVC
Cable	Oil-resistant high frequency coaxial cable, 3 m 9.843 ft long (intrinsic impedance: 50Ω) (Note 4)
Cable extension	Extension up to total 8 m 26.247 ft is possible with an equivalent cable (Note 4)
Net weight (Note 5)	35 g approx.	36 g approx.	37 g approx.	46 g approx.
Accessories	-

Type	Threaded type
Model No.	GS-8M	GS-10M	GS-12M	GS-14M
Applicable amplifiers	GA-2, GA-2R, GA-2D
Max. operation distance (Note 2)	3.5 mm 0.138 in	4 mm 0.157 in	6 mm 0.236 in	8 mm 0.315 in
Stable sensing range (Note 2)	0 to 1.5 mm 0 to 0.059 in	0 to 2mm 0 to 0.079 in	0 to 3 mm 0 to 0.118 in	0 to 5 mm 0 to 0.197 in
Standard sensing object	Iron sheet 18 × 18 × t1 mm 0.709 × 0.709 × t0.039 in
Hysteresis	50 μm 1.969 mil or less		60 μm 2.362 mil or less	70 μm 2.756 mil or less
Repeatability (Note 3)	3μm 0.118 mil or less	5 μm 0.197 mil or less
Protection	IP67 (IEC)
Ambient temperature	–10 to +60 ℃ 14 to +140 ℉, Storage: –10 to +60 ℃ 14 to +140 ℉
Ambient humidity	35 to 95 % RH, Storage: 35 to 95 % RH
Vibration resistance	10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each
Shock resistance	500 m/s² acceleration (50 G approx.) in X, Y and Z directions three times each
Material	Enclosure: Stainless steel [threaded type sensor head: Brass (Nickel plated)], Resin part: PVC
Cable	Oil-resistant high frequency coaxial cable, 3 m 9.843 ft long (intrinsic impedance: 50Ω) (Note 4)
Cable extension	Extension up to total 8 m 26.247 ft is possible with an equivalent cable (Note 4)
Net weight (Note 5)	44 g approx.	45 g approx.	50 g approx.	53 g approx.
Accessories	Nut: 2 pcs., Toothed lock washer: 1 pc.

Note 1 : Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 ℉.

Note 2 : The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.

Note 3 : The repeatability is given for the stable sensing range. (along sensing axis, perpendicular to sensing axis)

Note 4 : If the cable of the sensor head is cut or extended, the sensing range and the hysteresis change.

Note 5 : The weight of the threaded type includes the weight of two nuts and one toothed lock washer.

Note 1 :	Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 ℉.
Note 2 :	The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object. The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.
Note 3 :	The repeatability is given for the stable sensing range. (along sensing axis, perpendicular to sensing axis)
Note 4 :	If the cable of the sensor head is cut or extended, the sensing range and the hysteresis change.
Note 5 :	The weight of the threaded type includes the weight of two nuts and one toothed lock washer.

Amplifiers

Type		AC supply type		DC supply type
Model No.		GA-2	GA-2R	GA-2D
Supply voltage		90 to 260 V AC		10 to 28 V DC
Power / current consumption		2.5 VA approx.	9 VA approx.	20 mA approx.
Output		AC non-contact (Photo-thyristor) ・Switching capacity: 260V AC 2 to 100 mA	Relay contact 1a ・Switching capacity: 250V AC 2A (resistive load) ・Rated load life: 500,000 or more switching operations	NPN open-collector transistor • Maximum sink current: 200 mA • Applied voltage: 30 V DC or less (between output and 0 V) • Residual voltage: 1.5 V or less (at 200 mA sink current) 0.4 V or less (at 16 mA sink current) • Short-circuit protection PNP open-collector transistor • Maximum source current: 200 mA • Residual voltage: 1.5 V or less (at 200 mA source current) • Short-circuit protection
	Output operation	Selectable either Normally open or Normally closed
Response time		10 ms or less		1 ms or less
Operation indicator		Red LED (lights up when the output is ON)
Sensitivity adjuster		15-turn potentiometer
Ambient temperature		-10 to +60 ℃ -14 to +140 ℉ (No dew condensation or icing allowed), Storage: -10 to +60 ℃ -14 to +140 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
Material		Cover: ABS, Terminal part: PBT
Net weight		130 g approx.	150 g approx.	75 g approx.
Accessory		Adjusting screwdriver: 1 pc.