Keller OEM Series 7LY...10LY Media Isolated O.E.M. Pressure Transmitters

The “…LY” transmitter line benefits from smaller sensor dimensions, crevice-free diaphragms and low Total Error Band performance.The innovative signal conditioning circuit ‘learns’ thermally-induced zero and span errors during calibration. Then during operation, bias corrections are applied directly to the analog output signal, with a resolution of 1.5°K, effectively making each correction temperature a calibration temperature. The residual error is therefore determined primarily
by the sensor nonlinearity. The “…LY” line also boasts excellent resistance to electromagnetic interference. The limits of the
CE standard, for both conducted and radiated fields, are bettered by a factor of 10, enabling implementation in hostile EMI environments. Applicability to a variety of applications is enhanced by a wide selection of pressure ranges, sensor types, and input/output configurations. Material compatibility is ensured by the optional Hastelloy C-276 construction in place of the standard 316L stainless steel, as well as several different o-ring materials.

Specifications
Stability Range > 2 bar 0.1% FS typ.     0.2% FS max.
Range ≤ 2 bar 2 mbar typ.         4 mbar max.
Storage / Operating Temp. Range -40 - 100ºC
Series 9LY, 9FLY, and 10 LY Series 7LY only
Type 2-Wire 3-Wire  3-Wire 3-Wire
     Signal Output 4...20mA 0 -10 V 0 - 5 V 0.5 - 4.5 V
     Limitation Signal Output 3.2 - 22.3 mA -1.2 - 11.2 V -0.6 - 5.6 V 0.1 - 4.9 V
     Supply     8 - 32 VDC 13 - 32 VDC 8 - 32 VDC 8 - 32 VDC
     Load Resistance < (U-8) / 0.025 A > 5 kΩ > 5 kΩ > 5 kΩ
     Limiting Frequency 2 kHz 2 kHz 2 kHz 2 kHz
     Power Consumption - - - - max. 5 mA max. 5 mA max. 4 mA
Response Time (0 - 99%) < 5 ms
EMI EN 61000-6-2: 2005 / EN 61000-6-3: 2007 / EN 61326-2-3: 2006
Material in Media Contact Stainless Steel AISI 316L + Fluorocarbon O-ring (other material combinations available)
Oil Filling Silicone standard, others available

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