Specifications
47
Appendix 3
Model
PH250
PH260
pH/ORP/Temp (°C/°F)
pH Range
-2.00 to 16.00 pH
Resolution
0.01 pH
Accuracy
±0.01 pH
Calibration Points
USA & NIST (Up to 5), DIN (Up to 6)
pH Buffer Groups
USA, NIST, DIN
ORP Range
±2000 mV
Resolution
0.1 mV (< ±1000 mV), 1 mV ( ±1000mV)
Accuracy
±0.3 mV (< ±1000 mV), 0.3% of reading ( ±1000mV)
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
Yes
Memory
500
1000
Auto Data Log
Real-time Clock
-
Date & Time Stamp
-
Auto Hold / Auto Stable / Real Time
Offset & Average Slope Display
Calibration Alarm (1 to 90 days)
Auto Shut-Off (1 to 30 mins.)
Electrode Status
Diagnostic Messages
Software Upgrade
PC Communication
-
Printer Communication
-
Meter Inputs
BNC, phono
Display
Custom LCD with backlight
Housing
IP67, shock & scratch resistant, non-slip
Power Requirement
2 × AA batteries
Battery Life
> 500 hours
Dimensions
160 (L) × 80 (W) × 40.60 (H) mm
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