1. Technical Specifications
Measuring ranges:
pH -2.00 to 19.99
mV ± 2000
Temp -20 to 150 ºC (-4 to 302 ºF)
Resolution
pH 0.01
mV 1
Temp 0.1 ºC (0.1 ºF)
Measuring error (± 1 digit)
pH 0.01
mV 1
Temp 0.2 ºC ( 0.4 ºF)
Reproducibility (± 1 digit)
pH ± 0.01
mV ± 1
Temp ± 0.1 ºC (± 0.1 ºF)
Automatic temperature compensation
Manual entrance.
With Pt 1000 temperature probe (A.T.C.).
With NTC 10 K probe.
pH calibration
With 1, 2 or 3 buffers selectable inside the range.
Automatic recognition of technical buffers pH 2.00, 4.01, 7.00,
9.21, 10.90, values at 25ºC (77ºC).
Programmable calibration validity between 0 h and 7 days.
Automatic recalibration warning.
Automatic rejection of electrodes in poor conditions.
Theoretical calibration.
pH calibration criteria
Asymmetry potential ± 58 mV.
Slope 41 to 62 mV/pH, at 25°C (77 °F)
(sensitivity 70 to 105 %).
mV calibration
Automatic recognition of redox standard 220 mV at 25ºC
(77 °F).
Measuring mode
By stability.
Continuous.
Languages
English, German, Spanish, French, Italian, and Portuguese.
Display
Graphic, backlit liquid crystal, 128 x 64 dots.
Inputs and outputs
Combined or indicator electrode, BNC connector (Imp. >10
12
).
Reference electrode, banana connector.
A.T.C. type Pt 1000, banana or telephonic connector.
Stirrer, RCA connector.
Ambient conditions
Working temperature 5 to 40 ºC (41 to 104 ºF).
Storage temperature -15 to 65 ºC (5 to 149 ºF).
Relative humidity < 80% (not condensed).
Power supply
External plug-in power supply 100-240 VAC 0.4 A 47-63 Hz.
Materials
Enclosure, ABS and PC.
Keypad, PET with protective treatment.
Physical parameters
Weight: 1100 g.
Size: 350 x 200 x 110 mm.
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