Dinel CLM-70, Instruction Manual

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CLM–70 © Dinel, s.r.o. 28
t
eChniCal speCifiCations
–
display modUle
Display type matrix OLED, LCD
1)
Resolution 128 x 64 pixels
Digit height / Number of displayed digits of the measured quantity 9 mm / 5 digits
Display colour
OLED yellow
LCD black with white background light
Type of keys
membrane type with low travel
distance
Ambient temperature range
OLED -30 ... +70°C
LCD -20 ... +70°C
Weight 46 g
t
eChniCal speCifiCations
-
leVel meter
Supply voltage 18 ... 36 V DC
Output 4 ... 20 mA (two-wire), HART
®
Current output resolution 10uA
Capacity range 0 až 3000 pF
Resolution
0.01 pF for capacities from 0 to 300 pF
0.1 pF for capacities from 300 to 3,000 pF
Temperature error
(for a temperature range from -30 to 70 °C)
<1 pF do 100 pF
<1% of the measured value from 100 to 3,000 pF
Measuring frequency 100 to 800 kHz
Non-linearity (electronics) max. 1%
Damping (time constant) Adjustable 0 .. 99 s
Maximum slew rate <1s (0 .. 100%) ; for damping 0 s
Current output error max. 80 uA
Display / settings display module
Protection class IP67
Maximum length of measuring electrodes see dimensional drawing
Ambient temperature range -30°C to +70°C
Recommended cable PVC 2x0,75 mm
2
shielded
Maximum load resistance of current output
Rmax at the voltage of – 24V DC / 22V DC / 20V DC
270 Ω / 180 Ω / 90 Ω2)
Cable gland tightening torque 3 Nm
Weight – without electrode approx. 0,5 kg (1 kg variant NT)
20 . Technical specifications
1) OLED – suitable for internal applications and applications at reduced lighting levels. LCD – suitable for outdoor applications, especially
with direct sunlight.
5) Including resistor 250R with connection with HART.