Mode of operation

Measuring principle

Analog to digital conversion

Measuring points

• 1 instrument
• Remote monitoring of 100 instruments with PC and RD software

Input

Measuring range

• Current

• 4 … 20 mA, 0 … 20 mA

• Voltage

• 0 V DC … 10 V DC, 1 … 5 V, 0 … 5 V

• Thermocouple temperature

• Type J: -50 … +750 °C
  (-58 … +1 382 °F)
• Type K: -50 … +1 260 °C
  (-58 … +2 300 °F)
• Type E: -50 … +870 °C
  (-58 … +1 578 °F)
• Type T: -180 … +371 °C
  (-292 … +700 °F)
• Type T, 0.1 resolution: -180.0 … +371 °C
  (-199.9 … +700 °F)

• RTD temperature

• 100 ? RTD: -200 … +750 ?C (-328 … +1 382 ?F)

Output signal

Output

• 4 … 20 mA (optional)
• Modbus RTU 

Relays

2 SPDT Form C relays, rated 3 A at 30 V DC or 3 A at 250 V AC, non-inductive, auto-initializing (optional)

Communications

• RS 232 with PDC or Modbus RTU
• RS 422/485 with PDC or 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

Thermocouple temperature input

• Type J: ± 1 °C (± 2 °F)
• Type K: ± 1 °C (± 2 °F)
• Type E: ± 1 °C (± 2 °F)
• Type T:  ± 1 °C (± 2 °F)
• Type T, 0.1° resolution: ± 1 °C (± 1.8 °F)

RTD temperature input

• 100 ? RTD: ± 1 °C (± 1 °F)

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 3 A at 250 V AC

Power supply

Input voltage option 1

85 … 265 V AC, 50/60 Hz;
90 … 265 V DC, 20 W max.

Input voltage option 2

12 … 36 V DC; 12 … 24 V AC,
6 W max.

Transmitter power supply

One or two isolated transmitter power supplies (optional)

• Single power supply

One 24 V DC ± 10 % at 200 mA max.

• Dual power supplies

Two 24 V DC ± 10 % at 200 mA and 40 mA max.

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

Display

• 14 mm (0.56 inch) high LED
• 2X option for 30.5 mm (1.2 inch) high, red LED
• Numeric range from -1 999 … +9 999
• Four digits, automatic lead zero blanking
• Eight intensity levels

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

Mounting

• 2 inch (5.08 cm) pipe mounting kit (zinc plated seal)
• 2 inch (5.08 cm) pipe mounting kit (stainless steel, Type 304, EN 1.4301)