Laboratory pH meter BK-PH Series

for water analysisbenchtopwith ORP meter

Overview
Brand: BIOBASE
Product origin: CHINA
Delivery time: Within 7 days
Supply capacity: Factory Direct Supply
Model: BK-PH3A, BK-PH3B

Introduction
Suitable for environmental monitoring, ecological research, wastewater treatment, industrial and mining enterprises, agriculture and teaching for sampling and determination of aqueous solution pH and electrode potential (mV). Ideal for laboratory workflows requiring high-precision pH control and data traceability.

Features

• High-precision measurement: 0.01 pH accuracy class with strong reproducibility.
• Parameter memory: on power-on displays last used settings to simplify operation.
• Data storage: stores up to 1000 data sets for traceable records.
• Multifunctional electrode holder: multi-hole design supports multiple electrodes simultaneously; 360° rotation and vertical adjustment.
• Remote upgrade capability for onsite firmware updates.
• Standard Type-C port; instrument is mains powered (plug-in use).
• Optional ORP function available; ORP range -2000 ~ 2000 mV.

Accessories

• pH composite electrode
• Electrode holder
• Buffer solution
• Electrode storage/protection solution
• Power adapter

Technical Parameters (table)
Model - BK-PH3A / BK-PH3B
Accuracy Class - 0.01 pH accuracy class
Calibration - 1 to 3 point calibration
Display - 7-inch touch screen
Temperature Compensation - Manual temperature compensation

pH Range - -2.00 ~ 18.00 pH
pH Resolution - 0.01 pH
pH Reading Error - ±0.01 pH
pH Repeatability Error - 0.005 pH
Reading Error (Including electrode) - ±0.02 pH
Repeatability Error (Including electrode) - 0.01 pH

mV Range - -1999 ~ 1999 mV
mV Resolution - 1 mV
mV Repeatability Error - 1 mV

Temperature Range - -5.0 ~ 110.0 °C
Temperature Resolution - 0.1 °C
Temperature Reading Error - ±0.2 °C
Temperature Reading Error (Including electrode) - ±0.4 °C (0~60 °C), ±1.0 °C (other ranges)

Connector - BNC, 3.5 mm jack socket
Power Requirements - DC 9V / 400 mA power adapter
Power Supply - AC 110 ~ 240V, 50/60 Hz
External Size (W*D*H) - 250 x 190 x 71 mm
Package Size (W*D*H) - 300 x 310 x 300 mm
Net Weight - 5 kg
Gross Weight - 6 kg

Characteristics / Specifications

• Series/Model: BK-PH Series (BK-PH3A, BK-PH3B)
• Accuracy class: 0.01 pH
• Calibration: 1–3 point
• Display: 7-inch touchscreen
• pH range: -2.00 to 18.00 pH; resolution 0.01 pH
• mV (ORP optional): -1999 to 1999 mV; resolution 1 mV
• Temperature range: -5.0 to 110.0 °C; resolution 0.1 °C
• Connectors: BNC and 3.5 mm jack
• Power: DC 9V/400mA adapter; AC 110–240V 50/60Hz
• Storage: up to 1000 data sets
• Dimensions: 250 x 190 x 71 mm; Net weight: 5 kg