PH Meters Portable Electrochemistry Range

Technical Features

Parameter	3505	3510	3520
pH range	–2.00 to +16.00	–2.000 to +19.999	–2.000 to +20.000
pH resolution	0.01	0.001/0.01/0.1	0.001 / 0.01 / 0.1
pH accuracy	±0.02	±0.003	±0.003
Calibration	Manual 2 point	User selectable 1, 2 or 3 point	User selectable 1, 2 or 3 point
Automatic buffer recognition	Not available	Jenway (2.00, 4.00, 7.00, 9.20 and 10.00), DIN, NIST, JIS	Jenway (2.00, 4.00, 7.00, 9.20 and 10.00), DIN, NIST, JIS
mV range	±1999mV	±1999.9mV	±1999.9mV
mV resolution	1mV	0.1/1mV	0.1/1mV
mV accuracy	±1mV	±0.2mV	±0.2mV
Temperature range	–10 to +105°C	–10 to 105°C	–10 to 105°C
Temperature resolution	0.1°C	0.1°C	0.1°C
Temperature accuracy	±0.5°C	±0.5°C	±0.5°C
ATC range	0 to 100°C	0 to 100°C	0 to 100°C
Alarm points	–	–	–2.000 to 19.999pH
GLP	–	–	Calibration reminder interval (1 to 999hrs) Alarm outputs (open collector and audible). Security code protected data
Outputs	–	Analogue and RS232	Analogue, RS232 and IrDA
Connector	BNC	BNC	BNC
Power	9V PP3 battery as standard or optional 9V power supply	9V AC ±10% @ 50/60Hz	9V AC ±10% @ 50/60Hz
Size (l x w x d)	210 x 250 x 55mm	210 x 250 x 55mm	210 x 250 x 55mm
Weight	850g	850g	850g

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