Linear and Rotary Encoders

Mercury 1500 Digital Output Encoder Systems
Linear Encoder

Factory Set Resolution to 0.50µm
Small sensor with ultra-low Z height; flush screw mounting
Sensor is 8.4mm(H) x 12.7mm(W) x 20.6mm(L) and weighs 1.6g
Available with 15 pin standard D connector or micro-connector
A-quad-B output and Index window
Factory set interpolation x4, x8, x20, x40 for resolutions of 5µm to 0.50µ(linear);
6,600 CPR to 655,000 CPR(rotary)
Entire system is EMI shielded
Bi-directional index signal
Index mark at the center or end of the glass scale(linear)
Alignment Tool enables fast set up

Linear - 20µm grating pitch

System

Grading Period	20µm
System Resolution	5µm, 2.5µm, 1.00µm or 0.50µm (linear)
Linear Accuracy*	Better than 1µm available; contact MicroE Better than 3µm up to 130mm, 5µm from 155mm to 1m, 5µm per meter from 1m to 2m
maximum peak to peak error over the specified movement when compared to a NIST-traceable laser interferometer standard, used at room temperature and with MicroE interpolation electronics. *Or +/- one quadrature count, whichever error value is greater.
Rotary Accuracy*	Scale O.D	Microradians**	Arc-Seconds**
	12.00mm	100	21
	19.05mm	63	13
	31.75mm	38	7.8
	57.15mm	19	3.9
	107.95mm	10	2.1
Based on ideal scale mounting concentricity *Or +/- one quadrature count, whichever error value is greater

Sensor Size

Operating and Electrical Specification

Power Supply	5VDC 5% @60mA
Temperature
Operating:	0 to 70°C
Storage:	-20 to 70°C
Humidity:	10 -90% RH non-condensing
EMI:	M1500S: Entire system is EMI/RFI protected M1500H: Customer provides shielding at cable termination
Shock:	1500G 0.5 ms half sine (Sensor)
Sensor Weight:	5.0g (Sensor without cable)
Cable:	Double Shield. Diameter: 3.6mm (0.142") Flex Life: 20 x 10 cycles @ 20mm bending radius

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