SR1M Cable Actuated Sensor Industrial User Scalable 420mA User Adjustable Stroke Range to 175 inches (3 meters) Output Easy Push-Button Zero and Span Adjust Designed for Outdoor & IP67 environments In Stock for Quick Delivery 175-inch model shown Specifications Full Stroke Range, SR1M-125 125 inches (3175 mm), maximum Full Stroke Range, SR1M-175 175 inches (4445 mm), maximum Minimum Full Stroke Range 1 inches (25 mm) Output Signal Settings 4...20mA, 20...4mA Input Voltage 10-30 VDC Accuracy, full stroke range 10 .5% FS. inches (254 mm) Accuracy, full stroke range < 10 consult factory The SR1M is part of a series of rugged, low-cost, inches (254 mm) high performance string pots built for wet Repeatability .1% FS. environments and outdoor applications. Designed for the rigors of outdoor construction equipment or Resolution .0015% FS. the demands of a factory floor, the SR1M is the Output Signal Update Rate 1 msec perfect low-cost solution for OEM and stocking Maximum Velocity 80 inches (2 meters) per second distributors. Maximum Acceleration 10 g (retraction) What sets this sensor apart from other string pots, Measuring Cable Tension 23 oz. (6,4 N) 30% is the internal programmable digital circuitry that Sensor plastic-hybrid precision potentiometer gives the customer a one-size-fits-all approach for Cycle Life 250,000 (potentiometer) many applications. The SR1M ships factory calibrated to the full stroke range but the output Enclosure polycarbonate signal can be easily re-scaled to match any stroke Measuring Cable .034-inch dia. nylon-coated stainless down to 1 inch (25 mm). Electrical Connection M12 Connector (mating plug included) Environmental Suitability NEMA 6, IP67 Operating Temperature -40 to 185 F (-40 to 85 C) Weight 2.5 lbs. (1.3 Kg) Output Signal SENSOR SOLUTIONS /// SR1M 12//2015 Page 1 SR1M Industrial User Scalable 420mA Electrical Connection Factory Calibrated Stroke Range The full scale output signal is set at the factory to the maximum full stroke range of the sensor. The ZERO point (output = 4mA) is set at the beginning* of the stroke range (0 inches) and the SPAN point (output = 20mA) is set to the end of the range (125 inches or 175 inches depending on model). *Important The ZERO point is set at the factory with the measuring cable pulled out .125 inches from full retraction. If the measuring cable becomes fully retracted at any time when the sensor is under power, the output signal will begin to fluctuate. This is normal and fluctuation will stop as soon as the cable is extended greater than .125 inches. This is for the factory setting only and the ZERO may be reprogrammed at full retraction at any time. Cable Exit Direction Options Changing the Cable Exit Changing Measuring Cable Exit To change the direction of the measuring cable, remove the 4 mounting bracket screws and rotate bracket to one of four available positions. See figures 1 - 4 on the following pages for mounting dimensions. Changing Electrical Connector Direction To change the position of the electrical connector, remove the 4 rear cover screws and carefully separate rear cover from the sensor body. Rotate the rear cover to desired position being careful to not tangle the wiring harness that runs to the connector. SENSOR SOLUTIONS /// SR1M 12//2015 Page 2