Measuring principle | Measuring principle |
Measuring points | • 1 instrument |
Input | |
Measuring range | |
• Current | • 4 ... 20 mA, 0 ... 20 mA |
• Voltage | • 0 V DC ... +10 V DC, 1 ... 5 V,
0 ... 5 V |
Output signal
| |
Output | • 4 ... 20 mA (optional) |
| • Modbus RTU |
Relays | 2 or 4 SPDT (Form C) internal
and/or 4 SPST (Form A) external;
rated 3 A at 30 VDC and 125/250
VAC resistive load; 1/14 HP
(50 W) at 125/250 V AC for inductive
loads (optional) |
Communications | • RS-232 with Modbus RTU |
| • RS-422/485 with Modbus RTU |
Accuracy
| |
4 ... 20 mA optional output | ±0.1 % FS ±0.004 mA |
Process input | ±0.05 % of span ± 1 count,
square root: 10 ... 100 % FS |
Rated operating conditions
| |
Ambient conditions | |
Storage temperature range | 40 ... +85 °C (-40 ... +185 °F) |
Operating temperature range | -40 ... 65 °C (-40 ... +149 ?F) |
Design
| |
Weight | 269 g (9.5 oz) (including options) |
Material (enclosure) | • 1/8 DIN, high impact plastic,
UL94V-0, color: gray |
| • Optional plastic, steel and stainless
steel (Type 304, EN 1.4301)
NEMA 4 enclosures |
Degree of protection | Type 4X, NEMA 4X, IP65 (front
cover); panel gasket provided |
Electrical connection
| |
mA output signal | 2-core copper conductor, twisted,
shielded, 0.82 ... 3.30 mm? (18 ...
12 AWG), Belden 8 760 or equivalent
is acceptable |
Electrical connection and relay connection | Copper conductor according to
local requirements,
rated 3A at 250 V AC |
Power supply
| |
Input voltage option | 85 ... 265 V AC, 50/60 Hz;
90 ... 265 V DC, 20 W max. or
jumper selectable 12/24 V DC
± 10 %, 15 W max |
Isolated transmitter power supply | Terminals P+ & P-: 24 V DC
± 10 %, 12/24 V DC powered
models selectable for 24, 10, or 5
V DC supply (internal jumper J4),
85 ... 265 V AC models rated at
200 mA max, 12/24 V DC powered
models rated at 100 mA max,
at 50 mA max for 5 or 10 VDC
supply. |
External loop power supply | 35 V DC max. |
Output loop resistance | • 24 V DC, 10 ... 700 ? max. |
| • 35 V DC (external), 100 ... 1 200 ? max. |
Displays and controls
| |
Main display | 0.6 inch (15 mm) high, red LEDs |
Second display | 0.46 inch (12 mm) high, red
LEDs, 6-digits: each (-99 999 ...
999 999) |
Memory | • Non-volatile |
| • Stores settings for minimum of
10 years if power is lost |
Programming | • Primary: front panel |
| • Secondary: Meter Copy or PC
with SITRANS RD Software |
Certificates and approvals
| CE, UL, CUL |
Options | |
Enclosures | Plastic, steel and stainless steel
(Type 304, EN 1.4301) NEMA 4
and 4X enclosures |
