LU-GR Thermocouple input isolators

LU-GR T.C input isolators

1. Technical Parameters:
1) main functions and features
● compact and insert-mounting/clip mounting
● Input, output and power supply are isolated from each other
● transfer the T.C input signal to isolated standard process signal which linear to temperature.
● With power indicator.
● With Zero and Span adjustments for output


2)input
● input: T.C
signal source: types K,E,S,B
T.C range ability (℃) minimum range (℃)
E 0-1000 50
K 0-1300 75
S 0-1600 380
B 400-1800 780

Input resistance: ≥20 KΩ
Minimum signal: ≥3mV

3) output
● current output: current: 4~20mA,
load resistance: ≤350Ω
● voltage output: voltage: DC 1~5V,
load resistance: ≥10 KΩ

4) environmental parameters:
● power supply: DC24V±10%, current consumption 2W when aftereffect Wpp < 10%
● temperature for operating: -5 ~ +55 ℃
● humidity: 0%~95%RH (none congeal)

2. performance index (to full span)
● standard accuracy: ±0.3% FS
● cold-junction compensation accuracy: ≤±1℃ when temperature is 0~50℃
● temperature drift: ±0.015%/℃
● response time: ≤0.5s (0→90%)
● power voltage affect: ±0.1%/permitted voltage range
● insulated resistance:
Input, output and power supply are isolated from each other ≥100 MΩ/DC 500V
● isolation intensity: input-output-power supply-ground:
DC 1500V/1 minute (DC power)
AC 1500V/1 minute (AC power)
● load resistance affect: ±0.1%/250Ω
● cold-junction compensation: connected Cu50 between terminal 3 and terminal 4.

3. construction and dimension
● structure: compact, insert-mounting/clip-mounting
● connection: 3mm connection terminal
● terminal screw material: nickel plating around surface of iron
(screw arrowed wrest<0.8N•m)
● shell material: burn-bear colophony
● isolation: channel isolation (input, output and power supply are isolated from each other)
● zero adjustments-range: -5 ~ +5%
● span adjustments-range: 95~105%
● power indicate light: green LED, light on when power supply
● mounting: DIN rail
● outline dimension (W×H×D): type S: 25×80×80mm
type M: 23.2×93×40.3mm
● net weight: app. 150 g

Signal Conditioner