Delta OHM HD2205.2, Manual

Page: 56 / 80

- - 56
C
OMMON TECHNICAL CHARACTERISTICS OF THE
HD22…
SERIES
Instrument
Dimensions (Length x Width x Height) 265x190x75mm
Weight 1300 g
Materials ABS, rubber
Display Backlit, Dot Matrix.
240x64 points, visible area: 128x35mm
Operating conditions
Operating temperature -5…50°C
Warehouse temperature -25…65°C
Working relative humidity 0…90% RH without condensation
Protection degree IP66
Power
Mains adapter (code SWD10) 12Vdc/1A
Auxiliary supply output socket 12Vdc/200mA to power the HD22.2 elec-
trode holder with built-in magnetic stirrer
Security of stored data Unlimited
Time
Date and time Real time clock with 3.6V - ½AA backup
battery
Accuracy 1min/month max departure
Measured values memorization
Quantity 2000 screens
Storage interval 1s … 999s
Storage of calibrations
pH Last 8 pH calibrations. The last 2 calibra-
tions are stored in the pH probe’s
SICRAM memory.
Conductivity The last calibration is saved in the probe’s
SICRAM memory or in the instrument
memory if the probe is without SICRAM.
RS232C serial interface
Type RS232C electrically isolated
Baud rate Can be set from 1200 to 115200 baud
Data bit 8
Parity None
Stop bit
1
Flow Control Xon/Xoff
Serial cable length Max. 15 m
USB interface
Type 1.1 - 2.0 electrically isolated