PH-220 Features:
* 1 to 3 points calibration with automatic recognition for USA and NIST buffers.
* Automatic electrode diagnosis helps user decide whether to replace the pH electrode.
* Automatic temperature compensation ensures accurate readings over the entire range.
* Auto-Read function senses and locks the measurement endpoint.
* Setup menu allows setting the pH buffer set, number of calibration points, temperatureunit, auto-power off, etc.
* Reset function automatically resumes all settings back to the factory defaults.
* Expanded memory stores or recalls up to 100 data sets.
* USB communication interface for data transfer or connecting a power adapter to meter.
PH-221 Features:
PH
* 1 to 5 points calibration with automatic recognition for USA, NIST and DIN buffers.
* Automatic electrode diagnosis shows the pH slope and offset.
* Automatic temperature compensation ensures accurate readings over the entire range.
* Calibration due alarm prompts user to calibrate the meter regularly.
ORP
* 1 point offset calibration allows adjusting the displayed value to a known standard
* Relative and absolute millivolt modes ensure the reliable ORP measurements
General Features
* Auto-Read function senses and locks the measurement endpoint
* Auto-Power Off effectively conserves battery life
* Setup menu allows setting the pH buffer set, number of calibration points, resolution, stability criteria, temperature unit, date and time, etc.
* Reset function automatically resumes all settings back to the factory defaults
* Expanded memory stores or recalls up to 500 data sets
* USB communication interface is easy to transfer data to PC
* Multi-mode power scheme (batteries, power adapter and USB port) ensures that using the meter smoothly
Accessories:
PH electrode * Temperature probe * PH buffer solutions (pH4.01/7.00/10.01) * Carrying case
Technical Parameters:
| 
			 Model  | 
			
			 PH-220  | 
			
			 PH-221  | 
		|
| 
			 pH  | 
			
			 pH Range  | 
			
			 -2.00-20.00pH  | 
			
			 -2.000~20.000pH  | 
		
| 
			 pH Accuracy  | 
			
			 ±0.01 pH  | 
			
			 ±0.002pH  | 
		|
| 
			 Resolution  | 
			
			 0.01 pH  | 
			
			 0.1, 0.01, 0.001 pH, Selectable  | 
		|
| 
			 Calibration Points  | 
			
			 1 to 3 points  | 
			
			 1 to 5 points  | 
		|
| 
			 pH Buffer Options  | 
			
			 USA (4.01/7.00/10.01), NIST (4.01/6.86/9.18)  | 
			
			 USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or 2 custom buffers  | 
		|
| 
			 ORP  | 
			
			 mV Range  | 
			
			 -1999-1999mV  | 
			
			 -1999.9-1999.9mV  | 
		
| 
			 mV Accuracy  | 
			
			 ±1mV  | 
			
			 ±0.2mV  | 
		|
| 
			 Resolution  | 
			
			 1mV  | 
			
			 0.1,1mV, Selectable  | 
		|
| 
			 Calibration Points  | 
			
			 /  | 
			
			 1 point  | 
		|
| 
			 Temperature  | 
			
			 Temperature Range  | 
			
			 0~105°C/320221°F  | 
		|
| 
			 Temperature Accuracy  | 
			
			 ±0.5°C/±0.9°F  | 
		||
| 
			 Resolution  | 
			
			 0.1°C/0.1°F  | 
		||
| 
			 Offset Calibration  | 
			
			 1 point, reading ±10°C  | 
		||
| 
			 Other Specifications  | 
			
			 Temperature Compensation  | 
			
			 。0100°C, manual or automatic  | 
		|
| 
			 Stability Criteria  | 
			
			 /  | 
			
			 Low or high  | 
		|
| 
			 Calibration Due Alarm  | 
			
			 /  | 
			
			 1 to 31 days or off  | 
		|
| 
			 Slope/Offset Display  | 
			
			 Yes  | 
		||
| 
			 Hold Function  | 
			
			 Manual or auto-endpoint  | 
		||
| 
			 Auto-Off  | 
			
			 30 minutes after last key pressed  | 
			
			 10, 20 or 30 minutes after last key pressed  | 
		|
| 
			 Memory  | 
			
			 100 data sets  | 
			
			 500 data sets  | 
		|
| 
			 Communication Interface  | 
			
			 USB  | 
		||
| 
			 Connector  | 
			
			 BNC, 3.5 mm jack socket  | 
		||
| 
			 Display  | 
			
			 Custom LCD (80 x 60 mm)  | 
		||
| 
			 Power Requirements  | 
			
			 3*1.5V AA batteries or DC5V power adapter  | 
		||
| 
			 Battery Life  | 
			
			 Approximately 150 hours (Turn off the backlight)  | 
		||
| 
			 Dimensions(W*D*H)  | 
			
			 170*85*30mm  | 
		||
| 
			 Package Size(W*D*H)  | 
			
			 475*155*350mm  | 
		||
| 
			 Net Weight  | 
			
			 300g  | 
		||
| 
			 Gross weight  | 
			
			 2kg  | 
		||
Lebih maklumat tentang LUX & BRILLIANCE TECHNOLOGIES SDN. BHD.