Signal converter K121
analoguniversalgalvanic

signal converter
signal converter
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Characteristics

Type
signal, analog
Bus
universal
Other characteristics
galvanic, loop-powered

Description

K121 supports input signals from Cu50, Cu100, Pt100, Pt500, Pt1000, Ni100, Ni120, Ni1000, TC J, K, R, S, T, B, E, N, L, potentiometer, voltage signals with ± 30 V and ± 150 mV scales and current (± 24 mA). The instrument also acquires potentiometer input with resistance between 500 Ω and 10 K Ω and resistances up to 1760 Ω. K121 features a reduced response time of only 140 ms for current and voltage input and less than 620 ms for other inputs. The accuracy class is 0.1% and the measurement conversion to 16 bit. K121 is ATEX certified II 3G Ex nA IIC T4 Gc X (gas) and II 3D Ex tc IIIC T135°C Dc X (dust). Hot swapping - Yes Max power consumption - 24 mA Max power dissipation - < 660 mW Insulation - 1,5 kVac (2 vie) Status LED - Anomaly Alarm Accuracy Class - 0,1% Input type - Cu50, Cu100 Pt100, Pt500, Pt1000 Ni100, Ni120, Ni1000 TC J, K, R, S, T, B, E, N, L; input impedance 10 MΩ Potentiometer: 500 Ω..100 kΩ Voltage: -150..+150 mV; input impedance 10 MΩ Voltage: -30..+30 V; input impedance 200 kΩ Current: -24..+24mA; impedance 40Ω Resistance 0..+400 (1.760) Ω Output channel - Current 4-20 mA (passive) Filter - Additional for reading stabilization Special functions - Cold junction compensation Insertable filter Output reversal A/D conversion - 16 bit Thermal drift - <120 ppm/K Connection - 8 spring clamps Rejection - 50 o 60 Hz (programmable) Programming - EASY SETUP Insulation technique - Digital / Optocoupler Processing - 32 bit floating point calculation Protection degree - IP20 Housing - PBT, nero Dimension (WxHxD) - 6,2x93,1x102,5 mm Weight - 45 g Operating temperature - -20..+65°C Standard - CE Norms - EN 61000-6-4, EN 61010-6-2, EN 61010-1

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