EC/TDS/salinity range
EC
0.00 to 29.99 μS/cm
30.0 to 299.9 μS/cm
300 to 2999 μS/cm
3.00 to 29.99 mS/cm
30.0 to 200.0 mS/cm
up to 500.0 ms (absolute EC)*
TDS
0.00 to 14.99 ppm (mg/L)
15.0 to 149.9 ppm (mg/L)
150 to 1499 ppm (mg/L)
1.50 to 14.99 g/L
15.0 to 100.0 g/L
up to 400.0 g/L (absolute TDS with TDS factor 0.8)*
Salinity
0.0 to 400.0% NaCl – Percentage scale
2.00 to 42.00 PSU – Practical salinity scale
0.0 to 80.0 g/L – Natural seawater scale
EC/TDS/salinity resolution
EC
0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm
TDS
0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L
Salinity
0.1% NaCl – Percentage scale
0.01 PSU – Practical salinity scale
0.01 g/L – Natural seawater scale
EC/TDS/salinity accuracy @ 25 ° C/77 ° F
EC
±1% of the reading (+/-0.05 μS/cm or 1 digit, whichever is greater)
TDS
±1% of the reading (+/-0.03 ppm or 1 digit, whichever is greater)
Salinity
±1% of the reading for all scales
EC calibration points
EC
calibration at 1 cell factor point
1-point offset calibration with air probe (0.00 μS/cm)
TDS
Through EC calibration
NaCl
1 point
EC temperature compensation
Without CT or CAT: -5 to 100 ° C; 23 to 212 ° F
EC temperature coefficient
0.00 to 6%/°C (for EC and TDS only) the standard value is 1.9%/°C
EC and NaCl standards
EC: 84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm
NaCl: HI7037 Seawater Standard NaCl 100%
TDS Factor
0.40 to 0.80 (default value is 0.50)
Temperature range [ ° C/ ° F]
-20.0 to 120.0 o C; -4.0 to 248.0 o F
Temperature resolution
0.1 ° C; 0.1 ° F
Temperature accuracy @ 25 ° C/77 ° F
C / F
Yes
BPL
Yes
Keyboard
9 keys (on/off, 8 dedicated)
Registration function
Up to 1000 records organized in manual on-demand logging (max. 200 records), manual logging in stability mode (max. 200 records), logging by interval of up to 100 batches (max. 600 records/batch)
Storage interface
USB
PC interface
Micro USB
Power source
5 VDC
Usage environment
0 to 50 ° C (32 to 122 ° F); Max 95% RH without condensation
Dimensions
202 x 140 x 12 mm
Weight
250 grams