Mettler Toledo SevenMulti mV/ORP pH Meter

The Mettler Toledo SevenMulti mV/ORP ph Meter is a pH meter with a measurement range of –2.000 to 20.000 pH. 

Specifications:

Screen: LCD
Outputs: RS232
Adjustable baud rate: (1200, 2400, 4800, 9600 baud), 8 data bits, 1 stop bit, no parity
Analog output: (with pH and Ion expansion unit only)
Output impedance:  10 k
Ambient conditions: Room temperature 5 °C to 40 °C
Relative humidity: 80 % at 31 °C, decreasing linearly to 50 % at 40 °C
Height above sea level: max. 2000m
Overvoltage category: II
Degree of contamination: 2
Dimensions: 7.4″ W x 9.4″ D x 2.55″ H (19 x 24 x 6.5 cm)
Weight: 1.87 lbs (0.85 kg)
Power: 120 V / 60 Hz, 10 VA, 9 V DC
Measurement range: pH –2.000 to 20.000; mV –1999.9 to 1999.9; Temp. – 5 °C to 130 °C
Resolution: 0.001/0.01/(0.1) 0.1 0.1
Precision: +/–0.001 +/– 0.1 +/– 0.1
Relative mV: – yes –
Temperature compensation ATC: –5 °C to 130 °C
MTC: –30 °C to 130 °C
Sensor input Input impedance:  3 x 1012
Input offset current:  1 x 10
Technical data of Conductivity expansion unit
Measurement range: Conductivity 0.01 µS/cm to 1000 mS/cm
1.00E-6 to 1.00E+2 S/m
TDS: 0.1 mg/L to 1000 g/L
Factor: 0.40 to 1.00
Salinity: 0.00 to 80.00 ppt
Resistivity: 0.00 to 20.00 Mcm
Temperature: –5 °C to 130 °C
Temperature compensation ATC: –5 °C to 130 °C
MTC: –30 °C to 130 °C
Resolution Auto range
Relative precision: +/– 0.5 %
Analog output Output impedance:  20 k
Technical data of Ion expansion unit
Ion mode
Measurement range: 1.00E-9 to 9.99, E+9 mmol/l, mol/l, mg/l
0.001 to 9999 ppm
0.001 % to 999.9 %
Resolution: +/– 1 of the least relevant place
Relative precision: +/– 0.5 %
Temperature compensation ATC: –5 °C to 130 °C
MTC: –30 °C to 130 °C
Sensor input: Input impedance
3 x 1012
Input offset current:  1 x 10–12 A
Other modes: pH mV Temperature
Measurement range: –2.000 to 20.000 –1999.9 to 1999.9 – 30 °C to 130 °C
Resolution: 0.001/0.01/0.1 0.1 0.1
Precision: +/– 0.001 +/– 0.1 +/– 0.1
Relative mV: – yes –
Technical data of ISFET expansion unit
Measurement range pH: 0.00 to 14.00
Meas. range temperature: –5 °C to 105 °C
Resolution: 0.01
Precision: +/- 0.01