GESTRA LRR 1-52 Installation Instructions

11
Technical data - continued -
Only LRR 1-52
Connection of conductivity electrode
1 input for conductivity electrode LRG 1.-.. (cell constant 1 cm
-1
), 3 poles with screen or
1 input for conductivity electrode LRG 16-9 (cell constant 0.5 cm
-1
), with integrated resistance ther-
mometer Pt 100, 3 poles with screen
Measuring voltage
0.8 V
SS
, pulse duty factor tv = 0.5, frequency 20-10000 Hz.
Measuring range
0.5 to 10,000 μS/cm at 25 °C or 0.25 to 5,000 ppm at 25 °C.
Only LRR 1-53
Connection of conductivity transmitter
1 analogue input 4-20 mA, e. g. for conductivity transmitter LRGT 1.-.., 2 poles with screen.
Measuring range
0.5 - 20, - 100, - 200, - 500, - 1000, - 2000, - 6000, - 12000 μS/cm adjustable,
100 - 3000, - 5000, - 7000, - 10000 μS/cm adjustable
LRR 1-52, LRR 1-53
Ambient temperature
when system is switched on: 0 ° .... 55 °C,
during operation: -10 ... 55 °C
Transport temperature
–20 ... +80 °C (<100 hours), defrosting time of the de-energized equipment before it can be put into
operation: 24 hours.
Storage temperature
–20 ... +70 °C, defrosting time of the de-energized equipment before it can be put into operation:
24 hours.
Relative humidity
max. 95%, no moisture condensation
Approvals:
TÜV certificate VdTÜV Bulletin "Wasserüberwachung 100" (= Water Monitoring 100):
Requirements made on water level monitoring equipment
Type approval no. TÜV · WÜL · XX-017
(see name plate).
UL/cUL (CSA) Approval UL 508 and CSA C22.2 No. 14-13, Standards for Industrial Control
Equipment. File E243189.

GESTRA LRR 1-52 Specifications

General

Brand	GESTRA
Model	LRR 1-52
Category	Controller
Language	English