Technical data:

External (W×H×D):

244 × 95 × 255 mm

Weight:

approx. 2 kg

Case:

glass-reinforced polyamide 12,
rust-proof stainless steel cover, protection type IP 54,
prepared for fitting the ZU 6954 attachment stand

Power supply:

230 V~ -15% + 10%, 48 to 62 Hz,
< 10 VA, optional 115 V~ (opt. 363)

Display:

alphanumeric, 2 × 4 digits, 14-segment LED, 13 mm high characters, 3 status indicators with Sensoface

Ranges:

Cond:

0,000 to 9,999 µS/cm
0000 to 9999 mS/cm
-50.0 to +150.0

Measurement error:

Cond.:

< 0,5% of MV ±2 digit

°C:

< 0,3 K

Resolution:

to 0,001µS/cm

Reproducibility:

< 0,1% of measured value

Temperature compensation:

-50 to +150°C
Pt 100/Pt1000 (autom. selection)
or manual, linear TC characteristic 0,00 to 9.99%/K,
reference temperature 20°C/25°C selectable

Permissible cell constant:

0,001 to 199,9 cm-1, adjustable

Cell standardization:

operating modes
- automatic by cell constant determination with NaCl or KCl solution
- direct entry of cell constant

Monitoring
of sensor
and meter (GLP):

Sensoface® provides information
- for selection of 2-electrode cells
- on too great a difference between reference and measuring temperature
- for handling of 4-elec trode cells
- in case of clock memory loss
- in case of irregular checking of measuring equipment

Unit self-test:

test of measuring electronics including recorder output, segment and keypad test, RAM, EPROM and EEPROM

GLP records:

parameter settings, calibration, unit diagnostics (DIN ISO 9000), galvanically isolated

Analog output:

Cond.:

1 mV/µS·cm-1
1 mV/mS·cm-1

°C:

10 mV/°C

Interface:

RS 232

Printer control:

for ZU 0244 printer or any other standard printer with serial interface

EMC directive:

89 / 366 / EEC

Standards:

EN 61326 / VDE 0843 Part 20 2002-3

4-electrode cell:

Ranges:

1 µS/cm to 1 S/cm
-20°C to +100°C

System carrier:

glass

Ring electrodes (4):

platinum, bright

Sheath tube:

dia. 16 mm KPG® glass, replaceable

Immersion depth (min/max):

60/80 mm

Temperature probe:

Pt 1000, fast responding

Time constant:

approx. 1 cm-1

Connection cable:

approx. 1 m

incl. power cable, without cell, 3-year warranty

for temperature measurements with short adjustment time,
stainless steel, -10 to +100°C

for accommodating the immersion stirrer and any 3 probes, for connecting directly to the pH meter / conductivity meter

for connecting to a computer
(EMC special cable)

for connecting to a printer
(EMC special cable)

for ZU 0244 laboratory printer (5 rolls)

for ZU 0244 laboratory printer (5 pcs)

auxiliary power 115 V AC