Extech Oyster-15
pH/mV/Temperature Meter Kit

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Extech Oyster-15
Product Information
Datasheet 269 KBPDF
Manual 199 KBPDF
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  • Exclusive Oyster Design can be used in the lab or in the field
  • Large LCD built into adjustable “flip-up” cover displays pH or mV and Temperature simultaneously
  • Splash proof housing and front panel tactile touch pad to slope and calibrate
  • Rugged design for handheld or benchtop use; neckstrap for “hands-free” operation
  • Measures pH (0.00 to 14.00pH), mV (-999mV to 999mV) and Temperature (32.0°F to 212.0°F /0.0°C to 100.0°C)
  • Accurate to 0.02pH, 2mV, 0.8°F/0.5°C and resolution of 0.01pH, 1mV and 0.1°
  • Memory function stores and recalls 25 labeled readings
  • Min/Max storage and recall, °C/°F switchable
  • Audible beeper to alert user when function is completed
  • Automatic or Manual temperature compensation
  • Available in alternate configurations:
    • OYSTER-10 - standalone meter
    • OYSTER-16 - meter kit with pH electrode, calibration buffers,
      RTD temperature probe and carrying case
mV Range (Resolution) ± 1000 mV DC (1 mV)
Accuracy + 2mV
Temperature Range (Resolution) 32.0 to 212.0°F (0.0 to 99.9°C)
Accuracy + 0.8°F (0.5°C)
pH Range (Resolution) 0.00 to 14.00pH (0.01pH)
Accuracy + 0.02pH
Temperature Compensation 32 to 212°F (0-100°C) AUTO or MANUAL modes
Power 9 volt battery or optional AC adapter
Display Dual LCD display for simultaneous pH or mV and temperature readings. LCD viewing angle: 90° to 180°
Over-range Indication Displays " ---- "
Power 9 volt battery or optional AC adapter
Auto Power OFF After 10 minutes of inactivity
Operating Temperature 41ºF to 104ºF (5ºC to 40ºC)
Storage Temperature - 4°F to 140°F (-20°C to 60°C)
Operating Humidity Max 80% up to 87ºF (31ºC) decreasing linearly to 50% at 104ºF (40ºC)
Storage Humidity <80%
Operating Altitude 7000ft. (2000meters) maximum
Ordering Information
Model Description Buy Online Price
OYSTER-15Extech OYSTER-15 Meter Kit Includes pH Electrode and Buffers Buy Now$219.99
Optional Configurations
OYSTER-10Extech OYSTER-10 pH/mV/Temp, METER ONLY - NO PROBES Buy NowSale $167.19
(Reg. $189.99)
OYSTER-16Extech OYSTER-16 PH/MV/TEMP Meter Kit Includes pH electrode and RTD Temperature probe Buy Now$269.99
Included Accessories
  • 1 - Neck strap
  • 1 - 9V battery
  • 1 - Mini PH electrode
  • 2 - Calibration buffers (4 and 7pH)
  • 1 - Carrying case
Optional Accessories
PH103 Extech PH103 Tripak Buffer Pouches (4, 7 and 10pH plus rinse solution) Buy Now Sale $24.48
(Reg. $30.99)
601100Extech 601100 Flat Surface Electrode (15 X 106 mm) Buy NowSale $79.79
(Reg. $99.99)
60120BExtech 60120B Electrode PH 120-C Combination BNC Buy NowSale $37.22
(Reg. $50.99)
601500Extech 601500 Standard Electrode (12 X 160 mm) Buy NowSale $30.01
(Reg. $37.99)
PH4-PExtech PH4-P Pint Size Bottles with Pre-made 4pH Buffer Solution (2 Bottles) Buy NowSale $18.95
(Reg. $23.99)
PH7-PExtech PH7-P Pint Size Bottles with Pre-made 7pH Buffer Solution (2 Bottles) Buy NowSale $18.95
(Reg. $23.99)
PH10-PExtech PH10-P Pint Size Bottles with Pre-made 10pH Buffer Solution (2 Bottles) Buy NowSale $18.95
(Reg. $23.99)

*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.