Description
Overview
GAOTek Portable Dissolved Oxygen Water Quality Tester is simple product and easy-to-use pen-type dissolved oxygen meter, 1 point or 2-point button calibration, the meter is suitable for outdoor measurement of dissolved oxygen concentration and percentage saturation of samples, measurement accuracy: 0.5 mg/L.
Features
- Constant pressure measurement for cost-effective maintenance
- Spacious LCD display for clear readings
- Manual/automatic temperature compensation for accuracy
- Isolation 4-20mA output for data transmission
- Simultaneous display of multiple parameters: Dissolved ozone, temperature
- Current, range transfinite tip for comprehensive information.
Technical Specifications
| Measuring range | Dissolved ozone values: 0 mg/L to 20 mg/L or 0 mg/L to 2 mg/L Temperature: 32 °F to 140 °F (0 ℃ to 60 ℃) |
| Resolution | 0.01 mg/L, 32.18 °F (0.1 ℃) |
| Precision | better than ±1% or ±0.01 mg/L, ±32.9 °F (±0.5 ℃) |
| Manual/automatic temperature compensation | 32 °F to 140 °F (0 ℃ to 60 ℃) |
| The control interfaces | Two groups of ON/OFF relay contact, divided into high and low alarm signal photoelectric isolation output. The third group relay: automatic cleaning control function analog output. |
| Signal isolation output | Photoelectric coupler isolation protection 4 mA to 20 mA signal output. |
| The electric apparatus | Relay lag quantity any setting, relay load 3 A 220 vac/24 V DC. |
| Working conditions | Environmental temperature is 32 °F to 140 °F (0 ℃ to 60 ℃), relative humidity 90% or less |
| The output loads | Load <500 Ω: 0 ma to 10 maLoad <750 Ω:4 mas to 20ma |
| The protection levels | IP 65 |
| Working voltage | 220 V ac plus or minus 10%, 50 Hz/60 Hz |
| Feet inches | 3.78 in x 3.78 in x 6.15 in (96 mm x 96 mm x 156 mm) |
| Open hole size | 3.58 in x 3.58 in (91 mm x 91 mm) |
| Heavy volume | 1.98 lb (900 g) |
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