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Select “Yes” to recover instrument calibration to theoretical value (pH value in zero potential is 
7.00, slope is 100%), parameter setting return to initial value. This function can be used when 
instrument does not work well in calibration or measurement. Calibrate and measure again after 
recover the instrument to factory default status. 

 

9. 

Technical Specifications 

 

 

Tester functions: 

  Calibration points indication:

 

  Stable measurement: 

 

  Reading value auto. hold: 

HOLD

 

  Self-Diagnostic Information: 

Er2

 

  Low-Voltage warning:          flickering, reminder of battery replacement 

  Three-color backlight: 

  Blue

—Measurement Mode; Green—Calibration Mode; Red color—Alarm 

  Auto. Power-Off in 8 minutes without operation 

 
 

10. 

Electrode Replacement 

Twist off the probe ring, unplug the probe, plug in new probe 

(pay attention to the electrode’s 

position), and screw on the probe ring. The compatible model of replacement probe is ORP60-E. 

 

 

 

 

 

 

 

 

 

 

 

 

ORP 
(mV) 

Measuring Range 

±1000 mV 

Resolution 

1 mV 

Accuracy 

±0.2% F.S 

Temp. 

Measurement Range 

– 50 ˚C 

Resolution 

0.1 ˚C 

Accuracy 

±0.5 ˚C 

Summary of Contents for 28APE190027

Page 1: ...ORP60 Premium Pocket ORP Tester APERA INSTRUMENTS Europe GmbH www aperainst de...

Page 2: ...t 1 In calibration mode press to change calibration value unidirectional 2 In mode setting short press to change parameter unidirectional 1 Long press to enter calibration mode 2 In calibration mode s...

Page 3: ...on 1 Clean electrode in distilled water and dry it 2 Pour certain amount of 222 mV ORP standard buffer solution into the calibration bottles about half volume of the bottle 3 Short press to turn the m...

Page 4: ...How to fix is pressed before the measurement becomes stable smiley face comes up Wait till the smile icon appears and stays then short press 7 1 The cleaning and activation of ORP probes After long ti...

Page 5: ...of 120 mV and 150 mV Preset low value 120 mV highest value 150 mV when the measured value 120mV or 150mV stable icon displays on LCD Red back lit heads up displays B Automatic lock P3 Select On to ac...

Page 6: ...table measurement Reading value auto hold HOLD Self Diagnostic Information Er2 Low Voltage warning flickering reminder of battery replacement Three color backlight Blue Measurement Mode Green Calibrat...

Page 7: ...ARS SIX MONTHS for the probe from the delivery This limited warranty does NOT cover any damages due to Transportation storage improper use failure to follow the product instructions or to perform any...

Page 8: ...APERA INSTRUMENTS Europe GmbH Wilhelm Muthmann Stra e 15 42329 Wuppertal Germany Contact info aperainst de Website www aperainst de Tel 49 202 51988998...

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