IMKO TRIME-FM, User Manual

5 

1.1.10 Technical 

Data 

Power supply:  

7V..15V-DC, 600 mA/h battery capacity 

Supply current:  

8mA standby 

200mA while 10..15sec. measuring time 

Resolution: 0,1% 
Repeating accuracy: 

±

0,3% 

Measurement range  

0-100% 

Temperature range:  

-15°C...50°C, expanded temperature ranges on request! 

Temperature caused value drift:  

max. 

±

0,5%  

Standard interface:  

analogue output 0..1V or 0(4)..20mA, RS232/V24,  

 IMP232 

MICRONET 

Calibration:  

calibrated for mineral soils, 

but individually adaptable per software 

Case:  

weatherproof, robust aluminium die-cast (IP65) 

The measuring accuracy and -range as well as the tolerable range of bulk electrical conductivity 
depends on the corresponding probe.  

1

2

5

6

7

3

4

Pin 1:  Reserved
Pin 2:  Reserved
Pin 3:  Analog-Out 0..1V 
Pin 4:  Analog-Out-0V
Pin 5:  SelfCal.
Pin 6:  R/T (IMP-Bus)
Pin 7:  COM (IMP-Bus) 

Coax  cable

RS2

/

32 V24

Probe connector

Connector for
- analogue cable
- calibration plug
- battery charger

AC-Connector

AC-banana plugs

Battery
charger

external 
battery
box

Connector for
- external power supply
- RS232/V24

front view

Pin 1:   +U (9V..15V-DC)
            max. 250mA
Pin 2:   RxD
Pin 3:   0V 
Pin 4:   TxD

f ront  vi ew

1

2

3

4

Probe 

P2

Probe 

P2D

Probe

P2Z

Connectable probes for TRIME-FM2

Connectable probes for TRIME-FM3

Probe 

P2G

Tube Probe

T3

Probe

P3

Probe

P3Z

Start

Probe

P3S

Po

we

r 

su

pp

ly