Elster Instromet TRZ2 User Manual

2. Technical data
- Turbine gas meters and quantometers in accordance with DIN EN 12261
Type TRZ / TRZ-IFS TRZ2 Q
Size G 65 – G 16000 G 100 – G 1000 Q 65 – Q 16000
Nominal
diameter
DN 50 – DN 600 DN 80 – DN 150
Rated
pressure
PN 10 – 100 / ANSI 150 – 600
Housing
material
Spheroidal graphite cast iron, cast steel,
welded steel
Temperature
ranges
- Gas
- Ambient
-20°C to +60°C
-20°C to +70°C
-10°C to +60°C
-20°C to +70°C
- Pulse generators
LF pulse generator E1 (reed contact) HF pulse generator (in accordance with
DIN EN 50227)
U
max
= 24 V U
rated
= 8 V DC
I
max
= 50 mA
I ≥ 2.1 mA (exposed) I ≤ 1.2 mA (covered)
P
max
= 0.25 VA U < 5.9 V (exposed) U > 6.8 V (covered)
R
i
= 100 Ω (series resistor) R
i
= 1 kΩ
- Absolut ENCODER S1
Encoder S1
Counter
Number of digit rollers 8
Temperature range -20°C to +60°C
Safety class IP 67
NAMUR (II 2 G EEx ia IIC T4) or
SCR (II 2 G EEx ib IIB T4) or
Interfaces
ATEX approval
M-Bus
Meter types TRZ, Q all sizes
LF pulse generator Optional or retrofittable INS-10, INS-11,
INS-12
U
max
= 24 V, I
max
= 50 mA, P
max
= 0.25 VA,
R
i
= 100 Ω (series resistor)
All rights reserved. Subject to technical modification. Page 4 of 13

Elster Instromet TRZ2 Specifications

General

Brand	Elster Instromet
Model	TRZ2
Category	Measuring Instruments
Language	English