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You are here: Product Catalog > Water analysis > pH / ORP (Redox) Selection Guide

Bench-top pH Meters

 
 

pH / mV / °C - pH Meters with Large LCD


HI 2210, HI 2211 
 

HI 2210

HI 2211

Range

ph mV °C

-2.00 - 16.00 pH
---
-9.9 - 120.0°C

-2.00 - 16.00 pH
+/- 399.9mV; +/-2000mV
-9.9 - 120.0°C

Resolution

pH
mV
°C

0.01 pH
---
0.1°C

0.01 pH
0.1mV; 1mV
0.1°C

Accuracy @20°C

pH

mV


°C

±0.01 pH

---


±0.5°C (0.0 - 100.0°C)
±1°C outside
(excluding probe error)

±0.01 pH

±0.2 mV (±399.9 mV);
±1 mV (±2000 mV)

±0.5°C (0.0 - 100.0°C)
±1°C outside
(excluding probe error)

Calibration pH

automatic, 1 or 2 point with 5 memorized buffer values
(pH 4.01, 6.86, 7.01, 9.18, 10.01)

T° Compensation

automatic (with HI 7669/2W probe), or
manual from -9.9 to 120°C

pH Electrode

HI 1131B, glass-body, single junction,
refillable, BNC connector
1 m cable (included)

T° Probe

HI 7669/2W with 1 m (3.3') cable (included)

Power Supply

 12 Vdc adapter (included)

     

pH/mV/ISE Multi-parameter meters with Calibration CheckTM and USP


HI 4522, HI 4521
 
   

 HI 4522

 HI 4521

pH Range 

 -2.0 to 20.0;  -2.00 to 20.00;  -2.000 to 20.000 pH 

Resolution

 0.1 pH; 0.01 pH; 0.001 pH 

Accuracy 

 ±0.1 pH; ±0.01 pH; ±0.002 pH

mV Range

 ±2000 mV 

Resolution

 0.1 mV 

Accuracy

 ±0.2 mV 

ISE Range 1x10-7 to 9.99 x 1010
concentration ±0.2 mV

 --

Resolution  1;0.1;0.01 concentration

 --

Accuracy  ±0.5% (monovalent ions);
±1% (divalent ions)

 --

Conductivity Range

 0.000 to 9.999 µS/cm; 10.00 to 99.99 µS/cm;
100.0 to 999.9 µS/cm; 1.000 to 9.999 mS/cm;
10.00 to 99.99 mS/cm; 100.00 to 999.9 mS/cm;
1000 mS/cm

Resolution

 0.001 µS/cm; 0.01 µS/cm; 0.001 µS/cm;
0.01mS/cm; 0.1 mS/cm; 1 mS/cm

Accuracy

 ±1% of reading (±0.01 µS/cm)

Resisitivity Range

 1.00 to 99.99 Ohm•cm;100.0 to 999.9 Ohm•cm;
1.000 to 9.999 kOhm•cm; 10.00 to 99.99 kOhm•cm;
100.0 to 999.9 kOhm•cm; 1.00 to 9.99 MOhm•cm;
10.0 to 100.0 MOhm•cm

Resolution

0.01 Ohm•cm; 0.1 Ohm•cm;
0.001 kOhm•cm; 0.01 kOhm•cm; 0.1 kOhm•cm;
0.01 MOhm•cm; 0.1 MOhm•cm 

Accuracy

±2% of reading (±1 Ohm•cm) 

TDS Range

 0.000 to 9.999 ppm; 10.00 to 99.99 ppm;
100.0 to 999.9 ppm;
1.000 to 9.999 ppt; 10.00 to 99.99 ppt;
100.0 to 400.0 ppt

Resolution

 0.001 ppm; 0.01 ppm; 0.1 ppm;
0.001 ppt; 0.01 ppt; 0.1 ppt

Accuracy

 ±1% of reading (±0.01 ppm)

Factor

 0.40 to 1.00

Salinity Range

 Practical salinity: 0.00 to 42.00;
Natural seawater: 0.00 to 80.00 ppt;
Percent: 0.0 to 400.0%

Resolution

 0.01 for practical salinity/natural sea water;
0.1% for percent scale

Accuracy

 ± 1% of reading

Temperature Range

-20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K  

Resolution

 0.1°C; 0.1°F; 0.1K

Accuracy

 ±0.2°C; ±0.4°F; ±0.2K

Calibration pH 

 Automatic, Up to five-point calibration,
8 standard buffers available
(1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
and 5 custom buffers

ISE

Automatic, Up to 5 point calibration
5 fixed standard solutions available for each measurement unit and
5 user defined standards

--

Conductivity

Up to 4 point calibration with standard or custom values

Salinity

 Percent scale -- 1 point ( with HI 7037 solution)

Temperature

 3 points

Input Channel(s)

 1 pH/mV/ISE + 1 EC

 1 pH/mV + 1 EC

Calibration Check

pH electrode and buffer condition 

Temperature
Compensation

pH: Automatic or manual from
-20.0 to 120.0°C (-4.0 to 248.0°F)
EC: Linear and non-liner (natural water)

Log-on-demand
Auto Data Logging

10 Lots, 5000 samples per lot  

PC Connection

Opto-isolated USB and RS232 

Power Supply

12 Vdc adapter (included)

     


pH/mV/ISE Multi-parameter meters with Calibration CheckTM and USP

HI 4222, HI 4221 
   

 HI 4222

 HI 4221

 pH  Range

 -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH

 Resolution

 0.1 pH; 0.01 pH; 0.001 pH

 Accuracy

 ±0.1 pH; ±0.01 pH; ±0.002 pH

 mV  Range

 ±2000 mV

 Resolution

 0.1 mV

 Accuracy

 ±0.2 mV

 ISE  Range

 1 x 10-7 to 9.99 x 1010
concentration ±0.2 mV

 --

 Resolution

 1; 0.1; 0.01 concentration

 --

 Accuracy

 ±0.5% (monovalent ions);
±1% (divalent ions)

 --

Temperature   Range

 -20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K

 Resolution

 0.1°C; 0.1°F; 0.1K

 Accuracy

 ±0.2°C; ±0.4°F; ±0.2K

 Calibration  pH

 Automatic, Up to five-point calibration,
8 standard buffers available
(1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
and 5 custom buffers

 ISE

Automatic Up to 5 point calibration
5 fixed standard solutions available for each measurement unit and
5 user defined standards

 --

 T°

 3 points

 Input Channel(s)  

 2 pH/mV/ISE

 1 pH/mV

Calibration Check   

 pH electrode and buffer condition

 Temperature Compensation  

pH: Automatic or manual from
-20.0 to 120.0°C (-4.0 to 248.0°F)
EC: Linear and non-linear (natural water) 

 Log-on-demand  

100 Lots, 5000 samples per lot 

 Logging intervals  

 User defined, minimum 1 second

 PC Connection  

 Opto-isolated USB and RS232

 Power  

 12 Vdc adapter (included)

       
       

pH/mV/ISE/Temperature Bench Meters with exclusive Calibration Check TM


HI 3220, HI 3221,
HI 3222
   

 HI 3220

 HI 3221

 HI 3222

Range pH

 -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH

mV

 ±2000 mV

ISE

--

From 1.00 x 10-3 to 1.00 x 105ppm

From 1.00 x 10-7 to 9.99 x 1010 concentration
(choice of units)

-20.0 to 120.0°C (-4.0 to 248.0°F)

Resolution pH

 0.1; 0.01; 0.001 pH

mV

 0.1 mV

ISE

--

3 digits 0.01; 0.1; 1; 10 concentration

0.1°C (0.1°F)

Accuracy pH

 ±0.01; ±0.002 pH

mV

±0.2 mV

ISE

-- 

±0.5% of reading (monovalent ions),
±1% of reading (divalent ions)

 ±0.2°C (±0.4°F) (excluding probe error)

Calibration pH

 Up to 5 point calibration, 7 standard buffers available
(1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
+ 5 custom buffers

ISE

 --

Up to 2 point calibration
6 standard solutions (0.1, 1, 10, 100, 1000,10000 ppm)
Up to 5 point calibration
6 standard solutions
(in units selected)
Slope

From 80 to 110%

Temperature Compensation pH

 Manual or automatic from
-20.0 to 120.0°C (-4.0 to 248.0°F)

Probes  

HI 1131B pH with BCN connector and
HI 7662-T stainless steel temperature probe
(included) 

Logging  

Log-on-demand
200 samples

Log-on-demand
300 samples

Log-on-demand
400 samples

PC Connectivity  

 Opto-isolated USB ( with HI 92000 software ) 

Lot Logging

5, 10, 30 sec
1,2,5,10,15,30,60,120,180 min (max 1000 samples)

Power Supply  

 12 VDC



 
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