Measuring principle

Resistance thermometer

Pt100 class B acc. to DIN IEC 751

Input

Measured variable

Temperature

Max. measuring range

-50 °C ... +200 °C (-58 ... +392 °F)

Min. measured span

50 K (90 °F)

Output

Output signal

4 ... 20 mA, 2-wire

Lower current limit

Min. 3.6 mA

Upper current limit

Max. 23 mA

Output protected against

Reversed polarity, overvoltage and short-circuiting

Max. load

(U_H – 12 V) / 0.023 A

Characteristic

Temperature-linear

Measuring accuracy

Error in measurement at 23 °C ± 5 K (73.4 ± 9 °F)

< ± (0.45 K + 0.2 % of full-scale value in K + 1 digit in K)
(< ± (0.81 °F + 0.2 % of full-scale valuein °F + 1 digit in F)

Measuring cycle time

≤ 100 ms

Temperature effect

< ± 0.15 %/10 K (< ± 0.15 %/18 °F)

Power supply effect

< ±0,01 % of full-scale value/V

Vibration influence

< ±0.05 %/g to 500 Hz in all directions (to IEC 68‑2‑64)

Rated operating conditions

Ambient conditions

Ambient temperature

-25 ... +85 °C (-13 ... +185 °F)

Temperature range for best readability

-10 ... +70 °C (14 ... 158 °F)

Storage temperature

-40 ... +85 °C (-40 ... +185 °F)

Degree of protection

IP65 to EN 60529

Electromagnetic compatibility

EN 61326/A2 Appendix A (2001)

Displays and controls

Display

LCD, max. 5 digits, digit height 9 mm (0.354 inch)

Resolution at max. measuring range

0.01 °C (0.01 °F)

Decimal point

Freely parameterizable

Limit values

Freely parameterizable

Limit violation display

Red LED and message on LCD
(↑ symbol /↓ symbol in case of limit violation in upward / downward direction)

Parameterization

With 3 keys

Units

mA or % or Ω or physical variable: °C, °F, °R, K

Damping

Between 0.1 and 100 s

(increment: 0.1 s) freely parameterizable

Design

Weight

≈ 0.7 kg (≈ 1.54 lb)

Non-wetted parts materials

• Field housing

Diam. 80 mm (diam. 3.15 inch), stainless steel, mat. No. 1.4016

• Cover

Stainless steel, mat. No. 1.4016 with glass

Wetted parts materials

• Protective tube

To DIN 43772 form 8 (March 2000), Ø 14 x 1.5 mm (Ø 0.55 x 0.06 inch)

• Material

Stainless steel (mat. No. 1.4571/316Ti)

• Protective tube screw socket

G½B to DIN 3852-2 form A or ½“-14 NPT

• Material

Stainless steel (mat. No. 1.4571/316Ti)

Measuring insert

Length to fit the ordered protective tube, stainless steel

Connection of display to the protective tube

Radial (type A), can be swiveled by max. ±120° (α)

axial (type B), can be swiveled by max. ±360°

Length of the protective tube(U₁)

See Ordering data

Electrical connection

Using 2-pole plug connector made of plastic with M16x1.5‑cable entry to EN 175301‑803A, ½"-14 NPT

Power supply

Terminal voltage on temperature transmitter (U_H)

12 ... 30 V DC

Operating limits

Pressure

Max. 40 bar (580 psi)