LAQUA PC220

• Automatic pH calibration - up to 5 points (NIST, USA pH buffers) / up to 6 points (DIN pH buffers)
• 0.01 pH resolution
• Offset and average slope display
• ORP calibration option
• Automatic / manual temperature compensation and temperature calibration function
• Automatic (up to 4 points) and manual (up to 5 points) conductivity calibration
• Adjustable reference temperature and temperature coefficient
• Adjustable cell constant and selectable measurement unit
• Conductivity and total dissolved solids (TDS) conversion
• Four (4) TDS calibration curves for wide range of applications: EN27888, Linear, 442, NaCl
• Two (2) salinity calibration curves: NaCl, Seawater
• With real-time clock and date/time stamp for GLP compliance
• Auto log data; built-in memory can store up to 1000 data
• Auto shut-off (programmable: up to 30 minutes)
• Auto stable, auto hold, and real time measurement modes
• Calibration alarm (programmable: up to 90 days)
• Built-in electrode holder allows 2 electrodes to be attached 
• Monochrome LCD with white LED backlight: 50 x 50 mm
• Phono jack output for connecting meter to computer via PC (USB) cable for data collection and to printer via printer (RS232) cable for printout 
• Casing is IP67 waterproof/dustproof, shock & scratch resistant, non-slip
• Powered by 2 x AA batteries
• Packaged with electrodes and calibration solutions in carrying case
• 3 years meter warranty

Model

LAQUA PC220

pH/ORP/Conductivity/Resistivity/TOS/Salinity/Temperature (°C/°F)
pH Range: -2.00 to 16.00 pH
Resolution: 0.01 pH
Accuracy: ± 0.01 pH
Calibration Points Up to 5: (US and NIST), Up to 6 (DIN)
Buffer Options: US, NIST, DIN
ORP Range: ± 2000 mV
Resolution: 0.1 mV (< ±1000 mV), 1 mV (≥ ±1000 mV)
Accuracy: ± 0.3 mV (< ±1000 mV), 0.3% of reading (≥ ±1000 mV)
Calibration Option: Yes
Conductivity Range...: µS/cm to 200.0 mS/cm (k=1.0)
Resolution: 0.05% full scale
Accuracy: ±0.6% full scale; ±1.5% Full Scale >18.0 mS/cm
Reference Temperature: 15 to 30 °C (adjustable)
Temperature Coefficient: 0.00 to 10.00% (adjustable)
Cell Constant: 0.1, 1.0, 10.0 (adjustable)
Calibration Points Up to: 4 (Auto) / Up to 5 (Manual)
Unit Setting: S/cm, S/m (auto ranging)
TDS Range: ...ppm to 100 ppt (TDS factor=0.5)
Resolution: 0.01 ppm (mg/L) / 0.1 ppt (g/L)
Accuracy: ±0.1% Full Scale
Linear Calibration Curves: (0.40 to 1.00), EN27888, 442, NaCl
Resistivity Range: 0.000 Ω·cm to 20.0 MΩ·cm Resolution: 0.05% full scale Accuracy: ±0.6% full scale; ±1.5% of full scale >18.0 MΩ cm

Salinity Range:
0.0 to 100.0 ppt / 0.00 to 10.00 %
Resolution: 0.1 ppt / 0.01 %
Accuracy: ±0.2% of full scale
Calibration Curves: NaCl, Seawater
Calibration Option: Yes
Temperature Range: -30.0 to 130.0 °C / -22.0 to 266.0 °F
Resolution: 0.1 °C / °F
Accuracy: ±0.5 °C / ±0.9 °F
Calibration Option: Yes
Data Memory: 1000
Auto Log Data: Yes
Real Time Clock: Yes
Date & Time Stamp: Yes
Measuring Modes: Auto Stable, Auto Hold, Time
Slope Display: Average/Offset Yes
Calibration Alarm: Yes (Programmable: up to 90 days)
Auto Power Off: Yes (Programmable: up to 30 minutes)
Electrode Status: Yes (on-screen display)
Diagnostic Messages: Yes
PC Communication: Yes via PC Cable (USB) PN 3200779639
Printer Communication: Yes via Printer Cable (RS232) PN 3200779638
Meter Inputs: 2 x BNC (for pH and Conductivity Electrodes), 2 x Phono: (for Temperature Sensors)
Meter Phono Output: (for PC/Printer Connection)
LCD Display: Custom Backlit
Housing: IP67, Shock & Scratch Resistant, Non-Slip
Power Requirements: 2 x AA Batteries
Battery Life: > 500 Hours
Meter Dimensions: 190 x 190 x 100 mm Meter: 160 (L) x 80 (W) x 40.60 (H) mm
Meter weight: Approx. 260 g (with batteries) / 216 g (without batteries)