DL716

General Information

  • Maximum possible measurement channels and inputs:
    • 6 analog measurement channels (mA / Volt / PT1000)
    • 6 digital counter inputs (expandable up to 32, optional)
    • 3 digital alarm/status inputs
    • M-Bus (or mini="LowPower") or Modbus interface
  • Sensors (e.g.):
    • Level, pressure, temperature, humidity
    • pH value, conductivity, chemical parameters
    • Precipitation, flow and status
  • Memory capacity: ≥ 2,040,000 values
  • Serial-/USB interface for PC
  • Battery life: up to 10 years with daily measured value transmission (GSM)
  • Protection class IP65 (IP68 optional)

Options

  • Pulse doubler for digital counter inputs:
    • Potential-free outputs for forwarding to additional acquisition devices
  • Built-in modem (GSM / GPRS / UMTS / LTE, TETRA, leased line …)
  • Transmission of measured values and alarm notifications to:
    • Control rooms and internet servers
    • Fax machines
    • GSM mobile phones or landline phones
  • Antennas:
    • Rod antenna (direct or via cable)
    • Directional antenna
  • Power supply depending on model:
    • 2 × battery pack (alkaline or lithium)
    • External via solar panel and buffer battery
    • External via 12 VDC, 24 VDC, 110 VAC, 230 VAC and buffer battery
  • Connection sockets: RD24 for measuring cables
  • Switching outputs: 1, 2, 4 or 8
  • Backlit LCD display for current measured values
  • Optional IP68

Specifications

  • Waterproof, rugged aluminum housing (IP65)
  • Up to 6 analog measurement channels for sensors (resolution: 0.025 %)
  • Adjustable measuring interval from 32 Hz to 30 days
  • Switched sensor supply (3 V ± 5 %, max. 10 mA load)
  • Measuring ranges: 
 Voltage: 0–1 V
 PT1000: –40 to +100 ℃
 Current: 0–±20 mA, 4–20 mA
 Event: e.g. reed contact, up to 1 event per second
 Digital: Low < 10 kΩ, High > 200 kΩ
 Frequency: 0.01 Hz to 6 MHz
  • Storage capacity: 4 GB to 32 GB (approx. 2,040,000 to 16,768,000 values)
  • External power supply:
    • Via solar panel or power supply with additional buffer battery
  • Typical power reserve: approx. 1,000 transmissions and approx. 15,000 measurements
  • Battery power supply:
    • 2 separate battery packs with adjustable alarm
    • Battery packs can be replaced individually and are discharged sequentially
    • Display of the consumed battery pack available on the logger
  • Dimensions: 300 mm × 200 mm × 150 mm (L × W × H)

Operating time

*The operating time is reduced when using the optional M-Bus or Modbus – depending on the measuring interval

Data logger with lithium battery



Data transfer
via GSM/LTE

 *Measuring interval

 

1 minute

5 minutes

15 minutes

60 minutes

every 15 minutes

 

1 year

1 year

1 year

1 year

hourly

 

2.5 years

2.5 years

2.5 years

2.5 years

every 6 hours

 

6 years

6 years

6 years

6 years

daily

 

10 years

10 years

10 years

10 years

weekly

 

10 years

10 years

10 years

10 years

 

Data logger with alkaline battery



Data transfer
via GSM/LTE

 *Measuring interval

 

1 minute

5 minutes

15 minutes

60 minutes

every 15 minutes

 

6 months

6 months

6 months

6 months

hourly

 

1.5 years

1.5 years

1.5 years

1.5 years

every 6 hours

 

3 years

3 years

3 years

3 years

daily

 

4 years

4 years

4 years

4 years

weekly

 

5 years

5 years

5 years

5 years

*The operating time is reduced when using the optional M-Bus or Modbus – depending on the measuring interval

PDF Data Sheet

You are welcome to download the data sheet