GESTRA LRGT 16-1 Installation & Operating Instructions

7
LRGT 16-1, LRGT 16-2, LRGT 17-1
Technical data
Service pressure
LRGT 16-1: 32 bar at 238°C
LRGT 16-2: 32 bar at 238°C
LRGT 17-1: 60 bar at 275°C
Mechanical connection
Thread G1 A, ISO 228
Materials
Screw-in body: 1.4571, X6CrNiMoTi17-12-2
Measuring electrode(s): 1.4571, X6CrNiMoTi17-12-2
Electrode rod insulation: PTFE
Terminal box: 3.2161 G AlSi8Cu3
LRGT 16-1, LRGT 17-1: Measuring tube/screw 1.4571, X6CrNiMoTi17-12-2
LRGT 16-1, LRGT 16-2: Spacer discs PTFE / PEEK
LRGT 17-1: Spacer discs PEEK HT
Measuring length and installed length (electrode rod cannot be cut)
LRGT 16-1, LRGT 17-1: 200, 300, 400, 500, 600, 800, 1000 mm (for marine applications: max. 400 mm)
LRGT 16-1: 180, 300, 380, 500, 600, 800, 1000 mm
Temperature sensor
Resistance thermometer Pt 1000
Electronic circuit board
Supply voltage
24 V DC +/– 20%
Power consumption
4.5 W
Fuse
Electronic thermal fuse T
max
= 85 °C, hysteresis – 2 K.
Cycle of measurement
1 sec.
Temperature compensation
Linear, Tk adjustable via code switch:
 0 % per °C,
 1.6 – 3.0 % per °C in increments of 0.1.
Time constant T (measured using the two-bath process)
Temperature: 9 sec., conductivity: 14 sec.
Indicators and controls
2 LEDs for status messages
1 ten-pole code switch for setting:
 Measuring range
 Temperature coefficient
 Cell constant
 Function test
Electrical connection
EMC cable gland with integrated cable clamp, M 20 x 1.5
five-pole screw-type terminal strip, detachable, conductor size 1.5 mm
2

GESTRA LRGT 16-1 Specifications

General

Brand	GESTRA
Model	LRGT 16-1
Category	Controller
Language	English