Hach-Lange SENSION+, Portable Meter, LPG2500 User Manual
Page 3

Table of contents
on page 3
on page 4
on page 5
on page 6
on page 10
on page 13
Replacement parts and accessories
on page 15
Salinity values for dissolved oxygen meters
on page 17
Specifications
Specifications are subject to change without notice.
Specification
Details
Dimensions
18.6 x 7.3 x 3.8 cm (7.32 x 2.87 x 1.5 in.)
Weight
300 g (0.66 lb)
Meter enclosure
IP67
Power requirements
(internal)
AA Alkaline or rechargeable Nickel Metal Hydride
(NiMH) batteries (3); battery life: over 500 hours
Input connectors
MP-5 or MP-8 connector for sensION+ probes
Meter protection class
Class III
Storage temperature
–15 to +65 °C (5 to +149 °F)
Operating temperature
0 to 50 °C (32 to 122 °F)
Operating humidity
80% (non-condensing)
Specification
Details
Instrument range
pH: –2.00 to 19.99; ORP: ±1999 mV
Conductivity: 0.01 to 500 mS/cm; TDS: 0 to
500 g/L; Salinity: 0.0 to 1999 mg/L, 2.0 to 50.0 g/L
DO: 0.00 to 19.99 mg/L and 20.0 to 22.0 mg/L
(25°C), 0.0 to 199.9% and 200 to 250% (25°C)
Resolution
pH: 0.01 pH; ORP: 1 mV (0.1 mV from –199.9 to
199.9 mV)
DO: 0.1% (1% if ≥ 200%); 0.01 mg/L (0.1 mg/L if ≥
20 mg/L)
Conductivity: changes with range (auto-ranging)
Temperature: 0.1 °C (0.1°F)
Measuring error (± 1 digit)
pH: ≤ 0.01 pH; ORP: ≤ 1 mV
DO: ≤ 0.5% of the measured value
Conductivity: ≤ 0.5% (0.01 µS/cm to 19.99 mS/cm);
≤ 1% (≥ 20.0 mS). Salinity/TDS: ≤ 0.5%
Temperature: ≤ 0.2 °C (≤ 0.4 °F)
Reproducibility (± 1 digit)
pH: ± 0.01 pH; ORP ± 1 mV
DO: ≤ 0.2 of the measured value
Conductivity/Salinity/TDS: ± 0.1%
Temperature ± 0.1 °C (± 0.1 °F)
Reference temperature
(RT)
Conductivity: 20 or 25 °C (68 or 77 °F) (factory
settings: 25 °C (77 °F))
Temperature coefficient
(TC)
Conductivity: 0.00 to 5.00%/°C (factory settings:
2%/ °C)
TDS conversion factor
Conductivity: 0.00 to 4.44 (factory settings: 0.64)
Energy management
Automatic power off after 5 minutes of inactivity
Certification
CE
English 3