Bộ chuyển đổi tín hiệu độ dẫn điện Gestra LRGT 16-3n LRGT 16-4n LRGT 17-3n

Technical data

Model and mechanical connection

■ LRGT 16-3, LRGT 16-4, LRGT 17-3:

Thread G1 A, EN ISO 228-1

Materials
■ Terminal box: 3.2581 G AlSi12, powder-coated■ Sheath: 1.4301 X5 CrNi 18-10

■ Measuring electrodes: 1.4571 X6CrNiMoTi17-12-2■ Electrode insulation: PTFE
■ Screw-in body:

◆ Measuring tube/screw of LRGT 16-3 and LRGT 17-3: 1.4571, X6CrNiMoTi17-12-2

◆ Spacer disc of LRGT 16-3, LRGT 16-4 and LRGT 17-3: PEEK

Available electrode lengths (do not shorten)

■ LRGT 16-3, LRGT 17-3:
200, 300, 400, 500, 600, 800,1000 (mm)

■ LRGT 16-4:
180, 300, 380, 500, 600, 800,1000 (mm)

Temperature sensor

■ Resistance thermometer: Pt 1000
■ Measuring range for uid temperature: 0 to 280 °CConductivity range at 25 °C

■ LRGT 16-3, LRGT 17-3:
0.5 μS/cm to 6000 μS/cm, 0.25 – 3000 ppm *

◆ Preferred measuring range up to 1000 μS/cm

■ LRGT 16-4:
50 μS/cm to 10,000 μS/cm, 25 – 5000 ppm *

◆ Preferred measuring range from 500 μS/cm
* Conversion μS/cm in ppm (parts per million):

1 μS/cm = 0.5 ppm

Measuring cycle

■ 1 second

Temperature compensation

■ The temperature compensation process is linear and set via parameter tC.

Supply voltage

■ 24 V DC +/-20 %

Power consumption

■ Max. 7 VA
Current input

■ Max. 0.35 A