6
MW150 & MW151 Bench Meters
3. SPECIFICATIONS
Range *
MW150
MW151
pH
–2.00 to 20.00 pH
–2.00 to 20.00 pH
–2.000 to 20.000 pH
mV
±2000.0 mV
±2000.0 mV
Temp. –20.0 to 120.0 °C (-4.0 to 248.0 °F) –20.0 to 120.0 °C (-4.0 to 248.0 °F)
Resolution
pH
0.01 pH
0.01 pH
0.001 pH
mV
0.1 mV
0.1 mV
Temp. 0.1 °C (0.1 °F)
0.1 °C (0.1 °F)
Accuracy
@ 25°C (77°F)
pH
±0.01 pH
±0.01 pH
±0.002 pH
mV
±1 mV
±1 mV
Temp. ±0.4 °C (±0.8 °F)
±0.4 °C (±0.8 °F)
pH calibration
up to 3-point automatic
7 standard buffers (pH 1.68, 4.01,
6.86, 7.01, 9.18, 10.01, 12.45)
no custom buffers
up to 5-point automatic
7 standard buffers (pH 1.68, 4.01,
6.86, 7.01, 9.18, 10.01, 12.45)
2 custom buffers
Temperature
compensation
Automatic
-20.0 to 120.0°C (-4.0 to 248.0 °F)
Manual
(without temperature probe)
Automatic
-20.0 to 120.0°C (-4.0 to 248.0 °F)
Manual
(without temperature probe)
Log
Memory function
Maximum 1000 log records
(stored in up to 100 lots)
Log on demand, 200 logs
Log on stability, 200 logs
Interval logging, 1000 logs
PC connection
none
1 USB port, 1 micro USB port
Power supply
12 VDC adapter
12 VDC adapter,
5 VDC USB adapter
Battery life
8 hours
Auto-off
5, 10, 30, 60 min. or off
Environment
0 to 50 °C; max RH 95%
Dimensions
230 x 160 x 95 mm (9.0 x 6.3 x 3.7”)
Weight
0.9 kg (2.0 lb.)
Warranty
3 years
*
Limits will be reduced to actual sensor limits