Power supply

15...36 V DC,
 depending on working resistance, residual ripple stabilised ± 0.3 V

Working   resistance

R a (Ohm) = (U b   -14 V) ⁄ 0.02 A

Connection type

2-wire   connection

Output

4...20 mA

ALTM 2 - A (AOS)

Power supply

24 V AC ⁄ DC (±   10 %)

Load resistance

R L = 25...450   Ohm with AOS I variant
R L > 15 kOhm with AOS U variant

Connection type

3-wire   connection

Output

automatic 0 -10   V ⁄ 4...20 mA (via Automatic Output Switching –the unit detects the required   output type and automatically switches to U or I output)

GENERAL

Power   consumption

< 1.0 VA ⁄ 24   V DC; < 2.2 VA ⁄ 24 V AC

System of units

SI (default) or   Imperial (switchable via DIP switch)

Data points

Temperature [°C]   [°F]

Measuring ranges

multi-range   switching with 8 measuring ranges,
Tmax up to +100 °C, operating range –50...+150 °C
with manual zero point correction (± 10 K)

Sensor

Pt1000, DIN EN   60751, class B (Perfect Sensor Protection) at IP68)

Accuracy,   temperature

typically ± 0.2   K at +25 °C

Insulating   resistance

≥ 100 MΩ, at +20   °C (500 V DC)

Sensor   protection

pipe feeder made   of stainless stee V4A (1.4571), Ø = 6 mm, L = 50 mm

Sensor cable

silicone, SiHF,   2x 0.25mm²; cable length (KL) = 1.5m (other lengths and jacket materials,   e.g. PTFE or glass fibre with steel mesh, available on request)

Housing

plastic,   UV-resistant, material polyamide, 30 % glass-globe reinforced,
with quick-release screws (slotted ⁄ Phillips head combination),
colour traffic white (similar to RAL 9016),
 cover for display is transparent!

Housing   dimension

72 x 64 x 37.8   mm (Tyr 1 without display)
72 x 64 x 43.3 mm (Tyr 1 with display)

Cable connection

cable gland,   plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter   10.4 mm) or M12 connector (male, 5-pin, A-code) according to DIN EN   61076-2-101

Electrical   connection

0.14 - 1.5 mm²,   via terminal screws

Process   connection

endless strap   with metal tightener (included in the scope of delivery)
Ø = 13 - 92 mm (¼ - 3"), L = 300 mm

Ambient   temperature

measuring   transducer –30...+70 °C

Permissible   humidity

< 95 % RH,   non-precipitating air

Protection class

III (according   to EN 60 730)

Protection type   housing

IP 65 (according   to EN 60 529) Housing tested,
TÜV SÜD, Report No. 713139052 (Tyr 1)

Protection type   sensor

IP 65 (according   to EN 60 529) sleeve humidity-tight (standard)
IP 68 (according to EN 60 529) sleeve water-tight (optional)

Standards

CE conformity   according to EMC directive 2014 ⁄ 30 ⁄ EU

Optional

two-line display   with illumination, cutout approx. 36 x15 mm (W x H),

for displaying the ACTUAL temperature and the internal diagnostics
(sensor breakage, sensor short circuit)