GESTRA NRGS 11-1, Installation Instructions Manual

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NRGS 111, NRGS 161, NRGS 161S
Type approval
NRGS 11-1: TÜV · WR · 11-388
NRGS 16-1: TÜV · WB · 11-388
NRGS 16-1 S: GL 99250-96 HH
LR 98/20075
RINA No ELE/30298/1
Operating pressure
NRGS 11-1: 6 bar g at 159 °C
NRGS 16-1: 32 bar g at 238 °C
NRGS 16-1 S: 32 bar g at 238 °C
Mechanical connection
Screwed 1", DIN ISO 228
Flanged DN 50, PN 40, DIN 2635
Materials
Body 3.2161 G AlSi8Cu3
Sheath 1.4301 X5 CrNi18-10
Flange 1.0460 C 22.8
Measuring electrodes 1.4571 CrNiMoTi17-12-2
Electrode insulation PTFE
Spacer disk PTFE
Lengths available
1 500 mm
1000 mm
1500 mm
Mains voltage
230 V +/– 10 %, 50/60 Hz
115 V +/– 10 %, 50/60 Hz
1 24 V +/– 10 %, 50/60 Hz (optional)
Power consumption
5 VA
Fuse
Thermal fuse, T
max
= 102 °C
Sensitivity of response
Range 1: 10 µS/cm
Range 2: 0,5 µS/cm
Electrode voltage
10 V
VS
Output
Four volt-free relay contacts.
Max. contact rating with switching voltages of 24 V, 115 V and 230 V AC: resistive 4 A,
inductive 0.75 A at cos
ϕ
0.5.
Max. contact rating with a switching voltage of 24 V DC: 4 A.
Contact material: silver, hard-gold plated.
Technical Data