One radio transmission can last approx. 2 seconds (compared to 20 ms of the Nokeval MTR series). This means that the number of transmitters within the range must be limited in order to avoid collisions and to allow radio time for each.
Connect a Micro-USB-B cable to the connector, and the other end of the cable to a computer. • If Windows requests for a driver, download it at www.nokeval.com > Support, unzip it to a temporary folder, and show that directory as the location for the driver.
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Menu chart This is the configuration menu of firmware V1.0. The different versions may have slight differences and lacking features. The menu is divided to submenus for each quantity group. In addition to those, it has a submenu for the wireless network settings and another submenu for general settings. Temp+Humi Period[s] Conf...
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Gases-> CO2 -> Manucal This allows manually calibrating the CO2 offset. Enter the real CO2 level and press the Now button. Wait for a moment. Radio settings The Sky menu contains the settings for the wireless network. Network: To prevent mixing the different networks (and users) data, the network address should be set to some value not used nearby.
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• Bidirectional: After transmitting a packet, this device will listen for an acknowledgement from a receiver and retransmit up to two times if not getting acknowledged. If there is no acknowledgement, this device will discard the packet and try only once for the next time. This setting increases the probability of successful delivery significantly but does not guarantee it.
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Channel Physical quantity Unit Temperature °C or °F Relative humidity Absolute air pressure mbar Carbon dioxide concentration Volatile organic compound conc. Differential pressure PM1 particulate matter µg/m PM2.5 particulate matter µg/m PM10 particulate matter µg/m 40µm particulate matter These channel numbers are used when configuring the device for the Ovaport service or any other type of receiving system.
Maintenance Not used for a while If the device is not used for months, it is recommended to remove at least one battery. Checking the status Now and then, it is advisable to press the button to light up the indicator located next to the USB connector.
Specifications Environment Storage temperature -30...+60 °C, non-condensing Operation temperature 0...+60 °C Operation humidity 5...95 %RH, non-condensing Protection class IP20 Enclosure material Plastic (ABS+PC) Measurements Weight RHT: 130 g RHT-P-CO2: 140 g with batteries RHT-PIDVOC: TBD Dimensions Width: 75 mm Height: 95 mm Depth: RHT 28 mm, -CO2 and -VOC 48 mm, including the wall mount Internal batteries Type...
Warnings The device must not be disposed of in household waste. Observe local regulations concerning the disposal of electrical waste. The device contains a battery. Manufacturer Nokeval Oy Rounionkatu 107 FI-37150 Nokia Finland Phone +358 3 342 4800 (Mon-Fri 8:30-16:00 EET) http://www.nokeval.com/...
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