OPERATION MANUAL
2
2. Specifications
Mode PHS-550
Range
pH
：
0
～
14.00pH
mV:±1999mV
，
Temp
：
0
～
100
℃
Resolution
pH
：
0.01pH
，
Temp
：
±1
℃
Accuracy
pH
：
0.01pH
，
Temp
：
±1
℃
Temperature compensation
0
－
100
℃
automatic compensation
Three points calibration
4.00, 6.86 and 9.18
Basic configuration
E201-C plastic case PH combination electrode
(Temperature of solution 5-60
℃
be suitable)
PH sample standard solution
DC9V adapter
Working condition
z
Ambient
temperature
：
0
～
40
℃
Relative humidity
：
＜
85
％
z
Power
：
9V DC power
z
No significant vibration
z
No disturbance of magnetic field or distinct tremble around instrument.
z
Input
resistance:
≥
1×10
12
Ω
z
Zero
drift:
≤
0.01pH±1word
／
2 hours
z
Solution
temperature compensation range:5~60
℃
z
Dimension
and
weight:230x200x60mm,1.2KG
