Technical Data

Technical data

KL3311

KL3302**

KL3312

KL3314

Number of inputs

1

2

4

Power supply for the electronics

via the K-bus

Thermocouple sensor type

Types B, E, J, K, L, N, R, S, T, U, mV measurement (default setting is type K)

Connection technology

2-wire

Temperature range

In each case within the defined range of the sensor
(preset: type K, -100 °C to 1370 °C)

Resolution

0.1°C per digit

Open-circuit recognition

yes

no

yes

yes

Conversion time

~ 200 ms

~ 250 ms

Measuring error (total measuring range)

< ±0.5 % of the full scale value

Electrical isolation

500 V (K-bus / signal voltage)

Current consumption K-bus

typically 65 mA

Bit width in the K-bus I/O

Input: 1 x 16 bits of data (1 x 8 bits control/status optional)

Input: 2 x 16 bits of data (2 x 8 bits control/status optional)

Input: 4 x 16 bits of data (4 x 8 bits control/status optional)

Configuration

No address or configuration settings

Weight

approx. 70 g

Dimensions (W x H x D)

approx. 15 mm x 100 mm x 70 mm (width aligned: 12 mm)

Mounting

on 35 mm mounting rail according to EN 60715

Permissible ambient temperature range during operation

0 °C ... + 55 °C

Permissible ambient temperature range during storage

-25 °C ... + 85 °C

Permissible relative air humidity

95 %, no condensation

Enhanced mechanical load capacity

yes, see Installation instructions for enhanced mechanical load capacity

Vibration / shock resistance

conforms to EN 60068-2-6 / EN 60068-2-27

EMC immunity / emission

conforms to EN 61000-6-2 / EN 61000-6-4

Protection class

IP20

Installation position

variable

Approvals/Markings*

CE, UKCA, cULus, EAC, ATEX

-

CE, UKCA, cULus, EAC, ATEX

CE, UKCA, cULus, EAC, ATEX, GL

**) KL3302 is no longer available and was replaced with KL3312.

*) Real applicable approvals/markings see type plate on the side (product marking).

Ex marking

Standard

Marking

ATEX

II 3 G Ex nA IIC T4 Gc