BIOBASE Portable pH/ORP Meter
Brand: BIOBASE | Category: Scientific & Laboratory Equipment
BIOBASE Portable pH/ORP Meter is listed in VVON's ph conductivity & water analysis range for Bangladesh. Published models: PH-220, PH-221. Match measured parameters, range, probe compatibility and sample conditions. For a quotation, send the water or sample type, parameters, range, probe and calibration requirements. Confirm the exact model, included accessories, consumables, delivery and service scope in the offer. Manufacturer specifications below describe the published configuration; options and local availability require confirmation.
Model specifications
Compare each model column separately. Confirm options and included accessories in your quotation.
| Model | PH-220 | PH-221 |
|---|---|---|
| pH / pH Range | -2.00~20.00pH | -2.000~20.000pH |
| pH / pH Accuracy | ±0.01pH | ±0.002pH |
| pH / Resolution | 0.01pH | 0.1, 0.01, 0.001pH, Selectable |
| pH / Calibration Points | 1 to 3 points | 1 to 5 points |
| pH / 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 |
| mV(ORP probe optional) / mV Range | -1999~1999mV | -1999.9~1999.9mV |
| mV(ORP probe optional) / mV Accuracy | ±1mV | ±0.2mV |
| mV(ORP probe optional) / Resolution | 1mV | 0.1, 1mV, Selectable |
| mV(ORP probe optional) / Calibration Points | / | 1 point |
| Temperature / Temperature Range | 0~105°C/32~221°F | 0~105°C/32~221°F |
| Temperature / Temperature Accuracy | ±0.5°C/±0.9°F | ±0.5°C/±0.9°F |
| Temperature / Resolution | 0.1°C/0.1°F | 0.1°C/0.1°F |
| Temperature / Offset Calibration | 1 point, reading ±10°C | 1 point, reading ±10°C |
| Other Specifications / Temperature Compensation | 0~100°C, manual or automatic | 0~100°C, manual or automatic |
| Other Specifications / Stability Criteria | / | Low or high |
| Other Specifications / Calibration Due Alarm | / | 1 to 31 days or off |
| Other Specifications / Slope/Offset Display | Yes | Yes |
| Other Specifications / Hold Function | Manual or auto-endpoint | Manual or auto-endpoint |
| Other Specifications / Auto-Off | 30 minutes after last key pressed | 10, 20 or 30 minutes after last key pressed |
| Other Specifications / Memory | 100 data sets | 500 data sets |
| Other Specifications / Communication Interface | USB | USB |
| Other Specifications / Connector | BNC, 3.5 mm jack socket | BNC, 3.5 mm jack socket |
| Other Specifications / Display | Custom LCD(80*60mm) | Custom LCD(80*60mm) |
| Other Specifications / Power Requirements | 3*1.5V AA batteries or DC5V power adapter | 3*1.5V AA batteries or DC5V power adapter |
| Other Specifications / Battery Life | Approximately 150 hours(Turn off the backlight) | Approximately 150 hours(Turn off the backlight) |
| Other Specifications / Dimensions(W*D*H) | 170*85*30mm | 170*85*30mm |
| Other Specifications / Package Size(W*D*H) | 475*155*350mm | 475*155*350mm |
| Other Specifications / Net Weight | 300g | 300g |
| Other Specifications / Gross Weight | 2kg | 2kg |
Manufacturer catalogue checked 2026-09-28.
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Contact Vvon Technologies Limited about BIOBASE equipment requirements in Bangladesh.
Phone: +8801805987890 | Email: info@vvon.com.bd
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