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發(fā)布時間：2015/5/15
點擊次數(shù)：1637
Ⅰ. Operation Keys:
1.ON/OFF — Switch key
2. < CAL > — Calibration key, to make meter enter into calibration mode.
3. < MODE > — Function key
(a) Short-time press（time<1.5s）switch the parameters, the meter will display pH-mV
(b) Depress (time >2s) to enter into the parameter setting mode P1, and again short-time press to in turn display P2, P3…
. < UNIT > —Parameter mode key
(a) When in mode, press the key to alter pH resolution: 0.001→0.01→0.1pH;
(b) When in mode, press the key to alter the parameter mode: → →
(c) Press key to choose modified position of parameter when in the parameter setting mode.
5. < ENTER > —Entrance key, meter enters into measuring state after pressing the key.
6. < ▲ > and < ▼ > — Increase and decrease key.
(a) When in MTC state, press the key to increase or decrease the temperature value.
(b) When in the state of parameter setting, press the key to alter the number or ON/OFF state.
7. < M+/RM > — The compound key of memory and recall
(a) Short-time press (time <1.5s) to save the measuring information.
(b) Depress (time > 2s) to recall the measuring information, again press < ▼ > or < ▲ > key, can query in turn.
(c) In the recalling mode, press the <ENTER> key to return to measuring mode.
(d) In the recalling mode, depress the < M+/RM > key for 5 seconds to eliminate stored information and return to measuring mode.
Statement:
(a) It should to be calibrated in time for high accuracy measurement (≤±0.02pH), for generally accuracy measurement (≥±0.1 pH), it can be continuously used for one week or longer time after one time calibrating.
(b) Can random adopt one-point, two-point or three-point automatic calibration according to different measuring situations.
Ⅳ. Special Notice:
1. When the parameter setting is the same as the producer setting, there will display time in the upper right corner of LCD, when parts of the parameter setting is different with the producer setting, there will display code icon in the upper right corner of LCD, when setting more than two parameters with code icon, only can display one of code icons, user should enter into the parameter setting interface to examine the set content, or restore the meter to producer setting, then reset the demand parameters.
2. When it is abnormal for calibrating or displaying, please set the “restore to producer setting” to be “On” to restore the meter to producer setting state, and do calibrate and measure again.
3. Please do not unplug the power source when the meter is on, only to unplug the plug of the adapter when the meter is power off.
Model MP512 Precision pH Meter
Ⅰ. Operation Keys:
1. < > — Switch key
2. < CAL > — Calibration key, to make meter enter into calibration mode.
3. < MODE > — Function key
(a) Short-time press（time<1.5s）switch the parameters, the meter will display →
(b) Depress (time >2s) to enter into the parameter setting mode P1, and again short-time press to in turn display P2, P3…
4. < UNIT > —Parameter mode key
(a) When in mode, press the key to alter pH resolution: 0.001→0.01→0.1pH;
(b) When in mode, press the key to alter the parameter mode: → →
(c) Press key to choose modified position of parameter when in the parameter setting mode.
5. < ENTER > —Entrance key, meter enters into measuring state after pressing the key.
6. < ▲ > and < ▼ > — Increase and decrease key.
(a) When in MTC state, press the key to increase or decrease the temperature value.
(b) When in the state of parameter setting, press the key to alter the number or ON/OFF state.
7. < M+/RM > — The compound key of memory and recall
(a) Short-time press (time <1.5s) to save the measuring information.
(b) Depress (time > 2s) to recall the measuring information, again press < ▼ > or < ▲ > key, can query in turn.
(c) In the recalling mode, press the <ENTER> key to return to measuring mode.
(d) In the recalling mode, depress the < M+/RM > key for 5 seconds to eliminate stored information and return to measuring mode.
Statement:
(a) It should to be calibrated in time for high accuracy measurement (≤±0.02pH), for generally accuracy measurement (≥±0.1 pH), it can be continuously used for one week or longer time after one time calibrating.
(b) Can random adopt one-point, two-point or three-point automatic calibration according to different measuring situations.
Ⅳ. Special Notice:
1. When the parameter setting is the same as the producer setting, there will display time in the upper right corner of LCD, when parts of the parameter setting is different with the producer setting, there will display code icon in the upper right corner of LCD, when setting more than two parameters with code icon, only can display one of code icons, user should enter into the parameter setting interface to examine the set content, or restore the meter to producer setting, then reset the demand parameters.
2. When it is abnormal for calibrating or displaying, please set the “restore to producer setting” to be “On” to restore the meter to producer setting state, and do calibrate and measure again.
3. Please do not unplug the power source when the meter is on, only to unplug the plug of the adapter when the meter is power off.
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