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Nobo - Model PH-1806 -Waterproof Digital pH/ORP Meter
Intelligent dissolved oxygen meter can be widely used in waste water,boiler feed water, environmental water dealing, pharmacy, aquaculture and tap water etc. It is designed for continuous detection of dissolved oxygen value in liquid.
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- IP Grade：IP65 (waterproof, dust-proof and damp-proof)
- (Optional) Self-cleaning function with tap water.
- Accurate precision and high stability and strong anti-jamming.
- Using imported components and membranes based on latest polarographic technology.
- Digital LCD display and English display interface.
- Diverse parameters showed at the same time:
- dissolved oxygen value, temperature, output current, alarm point and alert of range ability.
- Alarm displayed in the screen with ON/OFF signal.
- Temperature compensation：0～60℃
- (Optional) Communicating function：with RS - 485 communication interface (MODBUS protocol compatible). The corresponding DO data of 4 ~ 20 mA can be set freely.
- Historical curve: It can store 50 groups figures respectively with check function. (Sampling frequency of 1~240 minutes)
- Notebook：PH/ORP can store 50 figures respectively ，so that users can keep the data as required.
- Retardation can be set freely to avoid frequently use of relay.
- Watchdog：make sure the meter won’t go dead.
- The main units come from foreign famous brands.
- Power down protection＞10 years and restore factory settings.
- Range of measurement: 0 ～ 200.0 ug/L ，0 ～ 20.00 mg/L (auto switch range ability) 0~60℃(microgram meter needs to choose DO-6800G)
- Resolution：0.1ug/L,0.0 1mg/L,0.1℃
- Precision：ug/L: ±1.0%FS；mg/L:±0.5%FS，±0.3℃
- Automatic temperature compensation：0～60℃
- Control interface：Two groups of ON/OFF relay, divided into 2 aspects of high and low for alert control.
- Automatic self-cleaning interface: a group of self-cleaning point. Clean time: 0-9999 seconds, interval time: 0-9999 minutes.
- Signal isolation：optical coupler protects 4～20mA signal outputting.
- Relay：the delayed quantity can be set freely. Relay requires 3A 220VAC
- Operating conditions：environmental temperature of 0~60℃,relative humidity ≤90%
- Output load：＜750Ω（4-20mA）
- Operating voltage：220VAC±10%、50/60Hz or using DC24V and DC12V
- Size：100x105×168 mm
- Hole size：92×92mm
- Weight：0.9Kg
- Installation：Panel mounting
- IP Grade：IP65