NIVELCO MicroTREK HB, User And Programming Manual, Page: 8 / 68

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3. TECHNICAL DATA
G
ENERAL
D
ATA
Type
Plastic Housing
H

–5

–4
Aluminium Housing
H

–4

–4, –5, –6, –8
Stainless Steel Housing
H

–6

–4, –5, –6, –8
Input
data
Measured values Between the reference point of the unit and reflection pane (material surface), distance, level and volume
Measuring range Depends on the type of the probe and the properties of the measured medium (see: Technical data on the “probes” chart)
Types of probes and technical data Coaxial, twin cable, mono cable, twin rod and mono rod probes (see: Technical data of the probes table)
Housing Plastic PBT Paint coated aluminium Stainless steel (KO35)
Medium temperature -30 °C … +200 °C (-22 °F … +392 °F) (see Technical data – M
EDIUM
T
EMPERATURE
table)
Medium pressure -1 – 40 bar (-0.1 – 4 MPa [-14 – 580 psig]) (see Technical data – M
EDIUM
P
RESSURE
diagram)
Ambient temperature -30 °C …+60 °C (-22 °F … +140 °F), with display: -20 °C … +60 °C (-4 °F … +140 °F)
Sealing
FPM (Viton

), optional for high temperature version: FFKM Perfluoroelastomer (Kalrez

6375), EPDM
Ingress protection IP67 (NEMA 4 – 4X)
Power supply 18 – 35 V DC, nominal 24 V DC, Ex version: 18 – 28 V, protection against surge transients
Output
data
Output signals
Analogue: 4 – 20 mA, (3.9 – 20.5 mA) passive output, error signal: 22 mA
BUS: serial line, HART

interface, terminal resistor max. 750 Ω
Display: SAP-300 plug-in LCD matrix
Accuracy*
For liquids:

5 mm (

0.2 inch); For probe length L ≥ 10 m (L ≥ 33 ft):

0.05% of the range
For solids:

20 mm (

0.8 inch ); For probe length L ≥ 10 m (L ≥ 33 ft):

0.2% of the range
Resolution 
3

A
Electrical connection
2x M20x1.5 metal cable glands for Ø7 – 13 mm (Ø0.3 – Ø0.5 in) cable, or 2x M20x1.5 plastic cable glands for Ø6 – 12 mm (Ø0.23 – 0.47 in)
cable wire cross section: 0.5 – 1.5 mm
2
(AWG15) (shielded cable is recommended) + internal thread for 2x ½" NPT cable protective pipe
Electrical protection Class III
Mass (housing) 1.5 kg (3.3 lb) 2.4 kg (5.3 lb) 4.1 kg (9 lb)
* Under ideal reflection and stabilised temperature conditions.