Hach POCKET COLORIMETER II Instruction Manual

2—10
Error Codes, continued
3. E-2 LED Error
The LED (light source) is out of regulation.
• Replace batteries.
• Verify LED lights up (inside the cell holder) when the READ/ENTER or
ZERO/SCROLL key is pressed.
• If the problem persists, contact a Service Center (page 2—37).
Note: When an E-1 or E-2 error occurs on a measurement, the display will show
“_.__”. (The decimal place is determined by the chemistry.) If the E-1 or E-2
error occurs while zeroing the meter, the meter must be zeroed again.
4. E-3 Standard Adjust Error
The value obtained on the prepared standard exceeds the adjustment
limits allowed for the standard concentration, or the concentration of the
standard is outside the concentration range allowed for standard
calibration adjust.
• Prepare the standard and rerun according to the procedure.
• Prepare a standard at or near the recommended concentrations given
in the procedure.
5957088.book Page 10 Friday, March 22, 2013 3:54 PM

Hach POCKET COLORIMETER II Specifications

General

Measurement Method	Colorimetric
Display	LCD
Operating Temperature	0 to 50 °C
Storage Temperature	-40 to 60 °C
Waterproof Rating	IP67
Weight	0.23 kg
Light Source	LED
Range	Varies by parameter
Wavelength	Varies by parameter
Battery Life	Approximately 2000 tests