S-621 pH/DO Meter
S-621 pH/DO Meter

S-621 pH/DO Meter

S-620 pH/Conductivity Meter S-620 pH/Conductivity Meter
S-623 Conductivity/DO Meter S-623 Conductivity/DO Meter

$1,029.54

Manufacturer: Peak Instruments

Model No.: S-621

SKU: EA-11234-239
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Description

S-621 pH/DO Meter

S-621 pH/DO Meter

S-621 pH/DO Meter

Precise measurements of pH/DO in fields of biotechnology, aquaculture, power plant and environmental protection, and also more widely used in areas of education and scientific research.

Main Features

  • 6.5 inch LCD screen which is intuitive and can show more parameters. Humanized design of operating interface makes operations simpler.
  • Omron long lasting and light touch panel can be used more than 100,000 times.
  • Auto calibration, auto temperature compensation, data storage, USB data export, clock, wireless printing, function setup, smart self-diagnosis and other intelligent functions.
  • Built-in big memory can store 500 sets of test data which can be saved and transferred to USB flash drive and opened with Excel, very easy and convenient for edit.
  • Auto recognition of standard pH buffer solutions and there are three kinds of standard buffer for option: USA series, NIST series and China series.
  • DO mode has functions of ATC, auto salinity compensation and auto pressure compensation.
  • New structure polarographic DO electrode can measure temperature, salinity and dissolved oxygen simultaneously, equipped with special DO electrode calibration sleeve, only need 3~5 minutes for polarization.
  • Combined diaphragm cap makes it extremely convenient to replace the sensitive membrane just by screwing the new cap to the electrode.
  • Optional Bluetooth block and support Bluetooth printing to make operations much easier for users. Optional data transmission to cell phone via Bluetooth.
  • Smart judge of electrode status to ensure accurate use for operators.
  • IP54 waterproof and dustproof.

Specifications

pH Measuring range

Resolution

Accuracy

Input current

Input impedance

Stability

Temp Compensation range

 (-2.00 ~ 18.00) pH

0.1/0.01pH

±0.02pH

≤2×10-12 A

≥1×1012 Ω

±0.01pH/3h

(0 ~ 100)℃(auto or manual)
mV Measuring range

Resolution

Accuracy

 -1999.9mV ~ 0 ~ 1999.9mV

1mV

±0.1% FS
Dissolved Oxygen Measuring range

Resolution

Accuracy

Response time

Residual current

Temp compensation range

Salinity compensation range

Air pressure compensation

Electrode type

 (0 ~ 20.00) mg/L(ppm) (0 ~ 200.0)%

0.1/0.01mg/L(ppm)  1/0.1%

±0.40 mg/L

≤30s (25℃, 90% response）

≤0.1mg/L

(0 ~ 45)℃ (automatic)

(0 ~ 45) ppt (automatic)

(80 ~ 105) kPa (automatic)

Polarographic
Temperature Measuring range

Resolution

Accuracy

 0℃~ 100℃

0.1℃

5~ 60℃: ±0.4℃  Others: ±0.8℃
Other Parameters

 

 Data storage

Power

Communication interfaces

Dimensions & Weight

 500 groups

DC12V/1A

Bluetooth, USB

270×170×70mm/600g
Working Conditions Ambient temperature

Ambient humidity

IP grade

 5 ~ 35℃

≤85%

IP54

Standard Configuration

  1. S-621 pH/DO meter                                    1 unit
  2. Composite pH electrode                             1 pc
  3. Rotary electrode holder                              1 pc
  4. pH calibration buffer                                   1 set
  5. Composite DO Electrode                            1 pc
  6. DO electrode cap                                        3 pcs
  7. DO electrode electrolyte (30mL)                 1 bottle
  8. 12V power adapter                                      1 pc
  9. User manual  in USB                                   1 copy
pH Measuring range

Resolution

Accuracy

Input current

Input impedance

Stability

Temp Compensation range

 (-2.00 ~ 18.00) pH

0.1/0.01pH

±0.02pH

≤2×10-12 A

≥1×1012 Ω

±0.01pH/3h

(0 ~ 100)℃(auto or manual)
mV Measuring range

Resolution

Accuracy

 -1999.9mV ~ 0 ~ 1999.9mV

1mV

±0.1% FS
Dissolved Oxygen Measuring range

Resolution

Accuracy

Response time

Residual current

Temp compensation range

Salinity compensation range

Air pressure compensation

Electrode type

 (0 ~ 20.00) mg/L(ppm) (0 ~ 200.0)%

0.1/0.01mg/L(ppm)  1/0.1%

±0.40 mg/L

≤30s (25℃, 90% response）

≤0.1mg/L

(0 ~ 45)℃ (automatic)

(0 ~ 45) ppt (automatic)

(80 ~ 105) kPa (automatic)

Polarographic
Temperature Measuring range

Resolution

Accuracy

 0℃~ 100℃

0.1℃

5~ 60℃: ±0.4℃  Others: ±0.8℃
Other Parameters

 

 Data storage

Power

Communication interfaces

Dimensions & Weight

 500 groups

DC12V/1A

Bluetooth, USB

270×170×70mm/600g
Working Conditions Ambient temperature

Ambient humidity

IP grade

 5 ~ 35℃

≤85%

IP54

Vendor Information