User manual - METER SRT-147
3.
TECHNICAL DATA
Power supply voltage
(depending on version)
External fuse (required)
Power consumption
85...
230
...260V AC/DC; 50 ÷ 60 Hz
(separated)
or 19...
24
...50V DC and 16...
24
...35V AC (separated)
T - type, max. 2 A
max. 6.5 VA @ 85 ÷ 260V AC/DC
max. 6.5 VA @ 16V ÷ 35V AC
max. 6.5 W @ 19V ÷ 50V DC
Measurement input
Pt 100/ Pt 500/Pt 1000 type with automatic connection
recognition ( 3 or 4-wires)
Measurement range
-100°C ÷ +600°C
Measurement accuracy
± 0,1% @ 25°C; ± one digit
Measurement wires resistance
max. 20
W
(every wire)
Sensor power supply output
24V +5%, -10% / max. 100 mA, stabilized
Relay output
0, 2 or 4 NO 1A/250V AC (cos
j
= 1)
OC-type output
0, 2 or 4; 30mA / 30VDC / 100mW
Active current output
(optional, for two relays or two
OC-type output version only)
range max. 0 ÷ 24 mA
Load resistance max.
700
W
Passive isolated current output
(optional, for two relays or two
OC-type output version only)
range max. 2.8 ÷ 24 mA
Supply voltage
Us = 9.5 ÷ 36V
Load resistance max.
(Us – 9.5V) / 24mA [k
W
]
Active voltage output
(optional, for two relays or two
OC-type output version only)
range max. 0 ÷ 11V
Load resistance min.
2000
W
Temperature stability
50 ppm / °C
Communication interface
RS 485, 8N1 and 8N2, Modbus RTU,
not separated
5
