Tintometer Lovibond SensoDirect 150, Instruction Manual

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SensoDirect 150
1. Specifications
1.1 General Specifications
Circuit Custom microprocessor LSI
Display LCD size : 58 mm x 34 mm
Measurement pH / Oxidation Reduction Potential (ORP)
Conductivity/Total Dissolved Solids (TDS)
Dissolved Oxygen (DO)
Temperature
Sampling Time of Data Logger 1 second to 8 hours 59 minutes and 59 seconds
Data-Hold Freeze the display reading.
Memory function Maximum and minimum values
Power off • Auto shut off saves battery life; manual shut off possible
by pressing “Power” button for 2 seconds
• Default changeable: auto power off/ manual power off
• With default set at auto power off, power will off
automatically after 10 minutes if no button is pressed.
Operating Temperature 0 to 50 °C (32 to 122°F) for the instrument (not including
probes)
Operating Humidity Less than 80% rel. humidity
Power Supply • DC 1.5 V with 4 batteries (mignon size; Type AA)
• DC 9 V by adapter input
Power Current • Operation: approx. DC 28 mA
• Clock (power off): approx. DC 1 µA
Weight • instrument 390 g (batteries included)
• with protective covering 620 g
Dimension • instrument: 203 x 76 x 38 mm
• with protective covering: approx.
220 x 125 x 45 mm
Electrical Specifications (23± 5°C)
• pH/mV
Measurement pH 0 bis 14 pH
mV -1999 mV to 1999 mV
Input Impedance 10
12
ohm
Temperature Compensation
for pH measurement Manual 0 to 100°C (32 to 212°F)
Automatic
(ATC) 0 to 65°C
(32 bis 149°F) with temperature probe