MODEL 359 SANITARY LEVEL TRANSMITTER

Hastelloy, CIP, 3A, 0-33″ wc thru 750″ wc

359 is designed for 3A sanitary clean in place applications. 359 comes standard with Hastelloy wetted parts, providing excellent corrosion resistance to caustic materials. 359 has sealed external adjustments and capable of being ranged down if lower range measurements are required.

Features

Many Options available

ShuntCal

Low Pressure Applications

Performance

Full Scale Pressure Range (FSPR): 0-100″, 300″, 750″, 900″ WC

Combined Accuracy (Non-Linearity, Hysteresis, Repeatability): ≤±.2% FSO

Full Scale output (FSO): 16 mA

Resolution: Infinite

Long Term Stability: ≤±0.25% FSO per 6 months

Response Time (Mechanical and Electrical combined): ≤10 mSec to reach 90% FSO

Thermal recovery time: 50 Sec to reach 90% FSO

Temperature Effect on Zero: ≤±1.5% FSO per 100°F

Temperature Effect on Span: ≤±1.5% FSO per 100°F

Temperature Effect on Calibration Signal: ≤±2.0% FSO per 100°F

Compensated Temperature Range: 35°F to 170°F

Process Temperature Limits: -20°F to 220°F

High Temperature Option: -20°F to 300°F at 70° ambient temperature

Ambient Temperature Limits: -40°F to 250°F

Electrical

Sensor Technology: Silicon Piezoerestictive

Supply Voltage: 9 to 30 VDC

Power Supply Regulation: ≤±0.01% FSO per volt

Output Signal: 4 to 20 mA

Load Impedance: 1500 Ohms max at 40 VDC

Zero Balance: 4 mA ±1% FSO

Zero Adjustment: -100% FSPR (Elevation) to 80% FSPR (Suppression). Coarse and fine adjustments standard

Span: 20 mA ±1% FSO

Span Adjustment: 3:1 Ranging

Range Calibration Signal: 30% of FSPR , externally switched

Calibration Signal Accuracy: <±0.2% FSO. The exact signal to pressure correlation is provided with each unit.

Circuit Protection: Varistor protected across the input leads for surges above 55V and currents to 250 Amps peak with a pulse width of 8 to 20 µsec. Reverse polarity protected.

Insulation Resistance: > 200 MegOhms to case ground

RFI/EMI Suppression: Negligible effect to 500 Mhz at 5 watts direct contact

Electrical Connection: 1/2″ NPT (M), 3 wires, 18 AWG, 36″ Length

Wiring Color:

Red +Signal

Black -Signal

Green Case Ground