Dual-Input pH/ORP/ISE/EC/Resistivity/TDS/NaCl/Temperature Bench Meter

pH Measurement
Range
-2.0 to 20.0 pH
-2.00 to 20.00 pH
-2.000 to 20.000 pH
Resolution
0.1 pH
0.01 pH
0.001 pH
Accuracy
±0.01 pH
±0.002 pH
Calibration
Up to 5-point calibration
7 standard buffers: 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45
2 custom buffers
Slope Calibration
80 to 110 %
Temperature Compensation
Manual or Automatic

ORP (mV) Measurement
Range
±2000.0 mV
Resolution
0.1 mV
Accuracy
±0.2 mV
Relative mV Offset Range
±2000 mV

ISE Measurement
Range
1.00 × 10⁻⁷ to 9.99 × 10¹⁰ concentration
Resolution
3 digits: 0.01, 0.1, 1, 10 concentration
Accuracy
±0.5% of reading (monovalent ions)
±1% of reading (divalent ions)
Calibration
Up to 5-point calibration
6 standards: 0.1, 1, 10, 100, 1000, 10000 ppm

Temperature Measurement
Channel 1
Range
-20.0 to 120.0 °C
-4.0 to 248.0 °F
Resolution
0.1 °C / 0.1 °F
Accuracy
±0.2 °C (±0.4 °F), excluding probe error
Channel 2
Range
-20.0 to 120.0 °C
-4.0 to 248.0 °F
Resolution
0.1 °C / 0.1 °F
Accuracy
±0.2 °C (±0.4 °F), excluding probe error

Conductivity (EC)
Range
0 to 400 mS/cm (display up to 1000 mS/cm)
Actual conductivity up to 1000 mS/cm
Auto-ranging across:
0.001 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
100.0 to 999.9 mS/cm
1000 mS/cm
Resolution
0.001 μS/cm
0.01 μS/cm
0.1 μS/cm
0.001 mS/cm
0.01 mS/cm
0.1 mS/cm
1 mS/cm
Accuracy
±1% of reading (±0.01 μS/cm or 1 digit, whichever is greater), excluding probe error
Calibration
Up to 2-point calibration
7 standards: 0.00 μS/cm, 1.413 mS/cm, 5.00 mS/cm, 12.88 mS/cm, 111.8 mS/cm
Temperature Compensation
NoTC / MTC / ATC
Reference Temperature
15 °C, 20 °C, 25 °C

Resistivity
Resolution (Auto-ranging)
1.0 to 99.9 Ω
100 to 999 Ω
1.00 to 9.99 kΩ
10.0 to 99.9 kΩ
100 to 999 kΩ
1.00 to 9.99 MΩ
10.0 to 100.0 MΩ
Accuracy
±1% of reading (±10 Ω or 1 digit, whichever is greater), excluding probe error

TDS Measurement
Range (Auto-ranging)
0.000 to 9.999 ppm
10.00 to 99.99 ppm
100.0 to 999.9 ppm
1.000 to 9.999 g/L
10.00 to 99.99 g/L
100.0 to 400.0 g/L
Resolution
0.001 ppm
0.01 ppm
0.1 ppm
0.001 g/L
0.01 g/L
0.1 g/L
Accuracy
±1% of reading (±0.05 ppm or 1 digit, whichever is greater), excluding probe error
TDS Factor
0.40 to 1.00

Salinity (NaCl)
Range
0.0 to 400.0 % NaCl
Resolution
0.1 %
Accuracy
±1% of reading, excluding probe error
Calibration
Max. 1-point calibration using HI7073 standard

Probes & Connections
Electrodes
Hanna BNC connection for pH / ORP / ISE
EC Probe
DIN connection (recommended option)
Temperature Probe
RCA connection (recommended option)

Data Logging
Log on Demand
Up to 400 samples
Lot Logging Intervals
5, 10, 30 seconds
1, 2, 5, 10, 15, 30, 60, 120, 180 minutes
AutoEnd
Maximum 600 samples

General Specifications
Operating Environment
0 to 50 °C (32 to 122 °F)
Maximum RH 55%, non-condensing
Power Supply
12 VDC power adapter
PC Interface
Opto-isolated USB
Dimensions
235 × 207 × 110 mm (9.2 × 8.14 × 4.33 in)
Weight
1.8 kg (4.1 lbs)