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Ultra High-Resolution Helical Gear Flow Meter with Integral Dual Pickup (SRZ...HR) Ideal for highly filled and abrasive fluids, such as polyurethanes and polymers, glues and sealing materials, as well as heavy fuel oils. Applications: AW Flow Meters offers these specialized helical gear flow meters suitable for a variety of industrial applications, including: • Sealant / Adhesive Dispensing Applications – Single and Multi-Component • Paint Reclaim and Environmental Tracking • Paint Circulation / Supply • Paint Spray Operations-High Solids / Filled Materials • Material Manufacturing – Monitoring / Batching • RIM Applications Benefits: Technical Specifications: AFFORDABLE AND ACCURATE This meter has the ability to maintain consistent accuracy despite changing viscosity conditions, with accuracy of ±0.5% of reading. • Linear range: 0.1 to 2.0 gpm* RUGGED CONSTRUCTION / HIGH PRESSURE • Working pressure: up to 6,000 psi • Accuracy: ± 0.5% of reading with fluid viscosities >30cP* The SRZ’s solid meter construction is made of 303 stainless steel with tungsten carbide bearings for corrosion resistance and durability. Optional hard-coat gear offerings available. • Fluid temperature: up to 160°F • Low pressure loss • High resolution FLEXIBLE Materials of Construction: May be used with a wide range of materials and viscosities with a low pressure drop than conventional meters and wide flow range/size selection. Models now offered in both NPT and BSPP threaded ports. • Body: 303 Stainless Steel • Internals: Stainless Steel DIN 1.4122 Tungsten Carbide 303 Stainless Steel 316 Stainless Steel PROVEN RELIABILITY & PERFORMANCE With a proven industry record for reliable meter life and electronics, these meters now offered in a low profile design with integrated sensor technology. • Seals: PTFE standard (FKM also available) Meter Specs Meter Size Range* (gal/min) Nominal K-Factor** Porting Filtration (NPT or BSPP) (micron) Frequency Range (Hz) Pressure Rating SRZ-40ST.HR.T-xx 0.01 - 2 124,900 pulses/gal 33 pulses/cc 3/4” 20 - 4,200 6,000 psi 200 * Operation down to 0.01 gpm with reduced accuracy. ** A calibration sheet accompanies every meter sold with specific K-factor. © 2009 AW-Lake Company All rights reserved. Rev 5.12 SRZHRDATA-1109 MWR

Ultra High-Resolution Helical Gear Flow Meter with Integral Dual Pickup (SRZ...HR) Meter Dimensions C D A B Meter Size SRZ-40ST.HR.T-xx A 3.35” H G E&F B (port size) C D E (thread type) F (thread depth) G H 3/4” 6.10” 0.55” M8 0.51” 1.0” 1.98” xx= B1 for NPT port thread B2 for BSPP port thread Electrical Data Supply Voltage: +V 1 12 up to 30 VDC Frequency Output: Active push pull, square wave signal Iout max. 20 mA Duty cycle 50% nominal Electrical Connection: Micro (M12) 1 = +Supply (12 up to 30 VDC) 2 = Output signal A 3 = 0V 4 = Output signal B 5 = n.c. Ingress Protection: + 12 - 30 V IP...