Martens 转换器 UNICON-LF 电导率转换器 Martens of the GHM GROUP
UNICON-LF 电导率转换器UNICON-LF设计用于测量电导率，作为液体纯度或浓度的程度。 与4电极电导池相关，可以实现高精度和不敏感的污染。 另一个优点是仅具有一个电池的广泛应用。
仅用于在超纯水中测量时，必须使用特殊的2电极电导池。
The Conductivity Converter UNICON-LF has been designed for the measurement of conductivity, as a degree of the purity or concentration of a liquid. In connection with 4-electrode-conductivity cells a high accuracy and insensitivity of contamination can be achieved. A further advantage is a broad range of application with only one cell.
only for measurement in ultra-pure water a special 2-electrode conductivity cell must be used.
Martens 转换器 UNICON-LF 电导率转换器 Martens of the GHM GROUP
Technical data
Power supply
Loop voltage : UB 14..30 V DC, 2-wire connection
Operating temperature : 0..50 °C
CE- conformity : EN 61326-1:2013
Conductivity output
Current : 4..20 mA
Unit : programmable μS/cm; mS/cm;kΩ/cm; MΩ/cm
Decimals : 0..3 digit (unit depending)
Indicating range : 500..9999 Digit (unit and decimals depending)
min./max. MR : 0..5.00 μS/cm bis 0..500.0 mS/cm;0..0.500 μS/cm / 0..50.0 μS/cm with ultra-pure cell
Temperature comp. : non linear for ultra pure water and natural water or linear programmable from 0.000..8.000 %/°C
-Cell constant : 0.080..9.999
-Accuracy : ±0.5 % of the measuring value, ±2 Digit
Temperature output
Current : 4..20 mA
Burden : RA ≤ (UB-14 V) ÷ 0.02 A
Temperature sensor : RTD Pt100 or Pt1000 acc. to DIN IEC 751
Unit : °C, °F programmable
Measuring range : -40.0..+160.0 °C
Alarm outputs
Transistor : 14..30 V DC, max. 60 mA
Voltage drop : < 2V
MR switch over
Ri : >10 kΩ
MB1 active : U = 0..3 V DC
MB2 active : U = 12..30 V DC
Display : LCD-dot matrix, 3.8mm characters
Range : 2 lines 16 characters each
Case : head case / field case
Material : case polyamide with fiber glass PA6-GF/GK 15/15, front foil polyester
Dimensions : 100 x 100 x 60 mm (WxHxD)
Weight : max. 360 g
Connection : screw terminal with pressure plate,2.5 mm² flexible wire, 4 mm² single wire and plug-in cable for sensor
Protection class : IP65, terminals IP20 acc. to BGV A3
Martens 转换器 UNICON-LF 电导率转换器 Martens of the GHM GROUP
