The ALMEMO® wireless System

The ALMEMO® wireless System

The ALMEMO® wireless System

Product catalog summary
Overview: The document provides technical specifications and applications for ALMEMO® wireless data connections using radio modules. It details the configurations for connecting measuring devices to PCs and among each other, both wirelessly and via wired connections.
Specifications:
  • Wireless connections are factory paired and preconfigured, operating on a 2.4 GHz frequency band.
  • Power supply varies with voltage: approx. 60 mA at 12 V, 75 mA at 9 V, and 100 mA at 6 V.
  • Operating conditions range from -10 °C to +50 °C.
  • Type approvals include USA (FCC Part 15), Canada (IC RSS), EU (RED), Japan (MIC), China (SRRC), AU/NZS.
Advantages:
  • High transmission reliability due to frequency hopping method, reducing interference from WLAN networks.
  • Automatic reconnection when devices are switched on or connections are broken.
  • LED indicators for power supply and status on the wireless module.
Technical Data:
  • ALMEMO® Baud rate is fixed at 115.2 kBaud.
  • Dimensions for modules: ZA1739BMU (110 mm x 22 mm x 8 mm), ZA1739BS/ZA1739BM (102 mm x 25 mm x 8 mm).
Wireless Sensor Connection:
  • Allows connection of ALMEMO® sensors to measuring inputs of receiving devices.
  • Power supply via ALMEMO® measuring instrument, with current consumption approx. 25 mA at 9 V.
  • Variants include paired wireless sensor connections with integrated radio modules.
Technical Features:
  • 1 measuring input for all ALMEMO® sensors, with optional integrated digital sensors for humidity, temperature, and atmospheric pressure.
  • Power supply via 3 AA rechargeable NiMH batteries, with up to 200 hours of operation per charge.
  • Compact housing suitable for DIN rail mounting, with a 2-row static display.
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Catalog excerpts

The ALMEMO® wireless System-1

Network Technology Wireless data connections with ALMEMO® radio modules ZA 1739-Bx Wireless radio connection from a PC directly to an ALMEMO® measuring device ZA1739BPVU. Application: 1. Direct connection between ALMEMO® measuring instrument and PC Wireless radio connection between two ALMEMO® measuring devices ZA1739BNV. 11/2025 • We reserve the right to make technical changes. 2. Connection of several ALMEMO® measuring devices among each other and wired connection to a PC 3. Connection of several ALMEMO® measuring devices among each other and wireless connection to a PC * Alternatively also possible with WLAN connection ZA1739 WL

 Open the catalog to page 1
The ALMEMO® wireless System-2

Advantages of ALMEMO® connections with radio compared to other wireless technologies: • The ALMEMO® wireless connections are delivered paired and ready configured: Simply plug in and measure! • The radio technology used offers high transmission reliability. • Due to the frequency hopping method used, a high robustness against interferences and coexisting WLAN networks is achieved. The wireless partners constantly switch between the available radio channels. • Any number of wireless connections work reliably in parallel. • There is almost no interference from coexisting WLAN networks. • Once configured,...

 Open the catalog to page 2
The ALMEMO® wireless System-3

Wireless sensor connection from a radio measuring device to a measuring input of a receiving ALMEMO® device with radio sensor module. Four measuring channels per connection can be transmitted. Any number of sensor connections in parallel is possible. Sensor connection via radio sensor measuring device ALMEMO® 2790 with built-in radio module MA 2790-BTFM Technical data MA 2790-BTFM Measuring input: 1 ALMEMO® input socket A/D converter, measuring ranges, standard equipment, Sensor supply: 6 / 9 / 12 V (depending on the programmed minimal sensor supply voltage in the ALMEMO® plug), max. 150 mA Power...

 Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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