5 Digit Dual 4-20mA input, Single 4-20mA output Math Function Isolated Transmitter

5 Digit Dual 4-20mA input, Single 4-20mA output Math Function Isolated Transmitter

SKU: ALT-440

5 Digit dual input math function isolated transmitter with two 4-20 mA inputs and 4-20 mA output. Functions available: A ± B, A × B, A ÷ B, |A|, √A, and A&B (re-transmission of highest or lowest input signal).

Note: this transmitter requires 8 pin DIN Rail base NTR-221.

  • Manufacturer: DCBox
Buy more for less:
1-4items$218.85/ each 
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10or more items$186.03/ eachsave15%
  • $218.85
Available for backorder

The AXI-040 is a 5 Digit Dual 4-20mA Input Math Function Isolated Transmitter. Mathematic functions available: addition (A + B), subtraction (A - B), multiplication (A × B), division (A ÷ B), highest signal selection (A & B Hi), lowest signal selection (A & B Lo), Absolute value (|A|), Square root (√A).

The function A&B (Hi or Lo) allows the selection of the highest or lowest of two input signals to be output.


  • Wide voltage range (22 to 60 V AC/DC ) input power
  • 2 kV isolation between input/output/power
  • Plugs into a socketed DIN rail Base
  • High stability

Power supply: 22-60 VDC/AC

Output: 4 to 20 mA

Output ripple:

Analog Output Resolution: 15 bit

Measuring accuracy: ±0.1% Full scale

Display: 5 digit, 10.16 mm tall red LED

Display range: -19999~9999 with adjustable decimal point

Isolation: 2KV Input/Output/Power/Case

Response time:

Backup Memory: EEPROM 

Temperature Coefficient: 100 ppm/°C (0 to 50 °C) 

Environmental Operating Range: 0 to 60 °C, 20 to 90% RHT non condensing 

Environmental Storage Range: 0 to 70 °C, 20 to 90% RHT non condensing 

Dimensions: 50 (W) × 76 (H) × 121 (D) mm

    • SKU
    • Weight
      0.53 kg
    • Dimensions (L x W x H)
      18 x 11 x 6 cm

We carry a selection of the full range of options listed in the datasheet. Non-stocked configurations may be available but may be subject to minimum order quantities or different pricing. Contact us for more information

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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