Peak Instruments T-721 Precise pH/DO Meter (0 ~ 20.00mg/L)

Specifications

pH

Measuring range: (-1.99 ~ 19.99) pH

Resolution: 0.1/0.01 pH

Accuracy: ±0.02 pH

Input current: ≤1×10^-12 A

Input impedance: ≥1×10^12 Ω

Stability: ±0.01pH/3h

Temp Compensation range: (0 ~ 100)℃ (auto or manual)

mV

Measuring range(mV/ORP/EH): -1999.9mV ~ 0 ~ 1999.9mV

Resolution: 1mV

Accuracy: ±0.1% FS

DO

Measuring range: (0 ~ 20.00) mg/L(ppm) (0 ~ 200.0)%

Resolution: 0.1/0.01 mg/L(ppm) 1/0.1%

Accuracy: Electrode: ±0.10 mg/L, Instrument: ±0.40 mg/L

Response time: ≤30 s (25℃, 90% response）

Residual current: ≤0.1 mg/L

Temp compensation range: (0 ~ 100)℃ (automatic)

Salinity compensation range: (0 ~ 45) ppt (automatic)

Air pressure compensation: (80 ~ 105) kPa (automatic)

Automatic calibration: Air saturated by water, water saturated by air

Electrode type: Polarographic

Temperature

Measuring range: -10℃~ 110℃

Resolution: 0.1℃

Accuracy: 5~ 60℃: ±0.4℃ Others: ±0.8℃

Other Parameters

Data storage: 1000 groups

Storage contents: Measurement series number, measuring value, temperature, ATC or MTC state, measuring date and time

Power: DC12V/1A

Communication connectors: Wireless Bluetooth, USB

Dimensions & Weight: 240 × 170 × 70mm/600g

Working Conditions

Ambient temperature: 5 ~ 35 ℃

Ambient humidity: ≤85%

IP grade: IP54

Standard configuration

1. T721 pH/DO meter: 1 unit

2. Composite pH electrode: 1 pc

3. DO electrode: 1 pc

4. Rotary electrode holder: 1 pc

5. pH buffer (pH4.00, pH6.86, pH9.18/50ml）: 1 set

6. 12V power adapter: 1 pc

7. DO membrane cap: 3 pcs

8. DO electrode electrolyte (30ml): 1 bottle

9. Instruction manual in USB: 1 copy

Datasheet