HZQW_JB-70A Pen type Dissolved Oxygen Meter

HZQW_JPB-70A pen type intelligent dissolved oxygen analyzer (hereinafter referred to as the instrument), mainly for the convenience of users to carry to the site operation design. The instrument can be divided into two parts: sensor and electronic unit. The sensor adopts polarographic coated dissolved oxygen electrode. The electronic unit is composed of high integrated circuits. The instrument adopts the lattice liquid crystal display, which can show the dissolved oxygen value and temperature.

1. Main features

Main features: Liquid crystal display (LCD)
Automatic temperature compensation and fast response time
Portable, easy to carry
Dissolved oxygen electrode (polarographic coated type)

2. Main technical indicators:
Measurement range:

Dissolved oxygen (0.0 ~ 20.0)mg/L
Temperature (0 ~ 40 ° C)

3. Basic error:

Dissolved oxygen: plus or minus 0.3mg/L
Temperature + 1 ° C for
Residual current not greater than 0.15mg/L
Response time not more than 30 s (20 ° C at 90% response)
Automatic temperature compensation scope (0 ~ 40 ° C)
Power supply 1.5v button battery (4)
Overall dimensions (mm) : Φ 40 * 185 (excluding electrode)
Weight 88 g


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