• EKO International
Environmental measurement & analysis
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Sensor signal converters

EKO universal 4-20mA and Modbus RS-485 RTU converters give full flexibility to combine different type of sensors within a multi sensor network. Solar radiation sensors and temperature sensors can be easily integrated. Preserve or improve the sensor accuracy while complying to the output standards used in the industry.

 

Models

Product Model Description
MC-11 Converter

MC-11 Converter

The new 4...20mA converter called "MC-11" is a digital signal conditioner to convert the Voltage output …
MC-12 Converter

MC-12 Converter

The new 4...20mA PT-100 converter called "MC-12" is a digital signal conditioner to convert the outpt …
MC-20 Converter

MC-20 Converter

The MODBUS 485 RTU converter called "MC-20" is a digital signal conditioner to convert the Voltage …
A-Box

A-Box

The new 4...20mA converter called "A-Box" is a digital signal conditioner to convert the Voltage output …

M-Box

M-Box

The MODBUS 485 RTU converter called "M-Box" is a digital signal conditioner to convert the Voltage …

Specifications

#

A-Box

A-Box PT-100

M-Box

Converter model

MC-11

MC-12

MC-20

Input 1 (Irradiance sensor)

0 to 100mV

-

0 to 100mV

Input 2 (Temperature sensor)

2W PT-100 / 10kΩ NTC

2W, 3W, 4W PT-100

10kΩ (Thermistor) / 

2W, *3W, *4W PT-100

Output

4 to 20 mA

4 to 20 mA

Digital

(Modbus 485 RTU)

Output parameters

0 - 1600 W/m2 

/ 4 to 20 mA

-40ºC - 120 ºC 

/ 4 to 20 mA

W/m2 / Temperature (ºC, K, F) / Sensor parameters 

Resolution 

< 5 µV / < 0.1ºC

< 0.1ºC

< 5 µV / < 0.1ºC

Input Impedance

> 10 MΩ

-

> 10 MΩ

Temperature Response 

(-20 to 50ºC)

< 0.2 %

< 0.2 %

< 0.2 %

Response Time

1 s

1 s

<1 s

Non-Linearity

< 0.1 %

< 0.1 %

< 0.1 %

Operating temprature range

-40ºC to 80ºC

-40ºC to 80ºC

-40ºC to 80ºC

Power Supply

12 - 24 VDC ± 20 %

12 - 24 VDC ± 20 %

12 - 24 VDC ± 20 %

Power Consumption

0.08 to 0.5 W

0.08 to 0.5 W

< 0.3 W

Dimension (converter)

ø45 × 23 mm

ø45 × 23 mm

ø45 × 27.1 mm

Weight (converter + box)

0.24 kg

0.24 kg

0.30 kg

Ingress Protection

IP 65

IP 65

IP 65

**Aluminium box dimensions

64 x 98 x 36 mm

Cable gland M12

(Cable ø 3-6 mm)

64 x 98 x 36 mm

Cable gland M12

(Cable ø 3-6 mm)

80 x 125 x 57 mm

Cable gland M12

(Cable ø 3-6 mm)

* Combined input terminals 1 and 2.

** Box dimensions are indicative which depend on the application