• Accuracy: nD: 0.0002 corresponds to 0.1 °Brix, typically 0.1 w%
• Repeatability: nD: 0.00002 corresponds to 0.01 °Brix, typically 0.01 w%
• Resolution: nD: 0.000001

Measuring principle: Transmitted light refractometry
Measuring quantities: Refractive index, temperature compensated refractive index, fluid temperature, °Brix, w%, additional quantities programmable with RMKoeff
Measuring quantities for diagnosis: Signal amplitude, sensor temperature, sensor humidity
Sensor
Degree of protection: IP 67
Operating temperature:
Fluid temperature: (–20 to +150) °C; (–4 to +302) °F
in ATEX zone 0 to 2:
(–20 to +130) °C; (–4 to +266) °F
Ambient temperature: (–20 to +60) °C; (–4 to +104) °F
Explosion protection: Sensors are available for ATEX zones 0, 1 and 2
Process connection: Flanges as per DIN or ASME, Varivent or Tri-Clamp, for pipe or tank installation
Transmitter
Operating temperature: (–10 to +60) °C; (+14 to +140) °F
PIOX® TR374: Standard field device Degree of protection IP 65 Also available for connection of explosion protected sensors. Version for use in ATEX zone 2 available PIOX® TR379: Unit for installation in 19" racks; Degree of protection IP 20
Outputs: max. 4 current outputs 0/4 ... 20 mA, usable for all measuring quantities (including diagnosis quantities), alternatively voltage or frequency output, additional binary outputs, RS485/USB
Inputs: Current or voltage, for calculation of additional output quantities

• Description (PDF)

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