Loop Isolators - Isolate 4-20 mA Current Loops

lifetime warranty
  • Lifetime Warranty on API Modules
  • LoopTracker® I/O LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation
Click on PDF links below
for product information

Literature and Links


API product brochure
Options & accessories
Cross reference
Regulatory Compliance page


Reference Info


Ground Loops
RFI and EMI
LoopTracker and Output Test
Sink vs Source

Applications


Monitor & Record Mass Flow & Ratio

How to Order

  1. Select a model
  2. See data sheet for ordering info and options
  3. Note that options affect pricing
  4. Request a quote via chat or call us
  5. 2 day to 4 week typical lead time (USA customers)
  6. To place your order
Model Input/Output Features Product

Z110 Loop Powered Isolators
1 Channel or 2 Channel


Z110S  $139 *stock item*
Z110D  $190 *stock item*

Open Datasheet
Download Datasheet

Open Installation Manual
Download Installation Manual

Click to see ALL Seneca products


Download CAD Drawing
Input
Z110S: One 4-20 mA loop
Z110D: Two 4-20 mA loops

Output
Z110S: One isolated 4-20 mA loop
Z110D: Two isolated 4-20 mA loops
  • Replaces API LPI-1
  • Replaces API LPI-2
  • Replaces API DPI-2
  • Powered by the input loop
  • 1 year warranty
  • DIN rail mount
  • 17.5 mm wide

CE
Z110S Z110S Z110D
Z110D

Universal Input to 4-20 mA Loop Powered Transmitter


Field Programmable


K121  $149 *stock item*

Open Datasheet
Download Datasheet

Open Installation Manual
Download Installation Manual

Click to see ALL Seneca products

Field Programmable Input
Input: –150 mV to +150 mV
–30 V to +30V
–24 mA to 24 mA
RTD: Pt100, Pt500, Pt1000, Ni100
Thermocouple: J, K, T, E, R, S, B, N
Potentiometer: 500 Ω to 10 KΩ
Resistance: 1750 Ω

Output: 4-20 mA loop powered
Powered by the output loop

  • Only 6.2 mm wide
  • PC programmable configuration
  • Full 2-way isolation
  • Low cost
  • DIN rail mount without tools
  • Powered by 4-20 mA loop

  • CE logo  EX
K121
K121

Loop Powered Isolators


PCB Mount

Sineax DCM 817-4 Straight Pins
Sineax DCM 817-5 90° Pins

Open Datasheet
Download Datasheet
Input
0-20 mA, 4-20 mA

Output
0-20 mA, 4-20 mA
  • 500 V isolation
  • Circuit board mounted
  • Straight pins or 90° pins
  • Loop-powered passive device
  • 600 Ω maximum burden
  • Compact and cost effective OEM solution

CE Sineax DCM817-90 Sineax DCM817-90
DCM 817-4      DCM 817-5

Loop Powered Isolator


Sineax TI816

Open Datasheet
Download Datasheet

Open Instruction Manual
Download Instruction Manual
Input
0-20 mA, 4-20 mA

Output
0-20 mA, 4-20 mA
  • 500 V isolation
  • Loop-powered passive device
  • Order with V or mA output
  • 600 Ω maximum burden (current)
  • 500 Ω maximum burden (voltage)
  • Only 0.5" (12.5 mm) wide
Sineax TI 816 CE

4 Digit 4-20 mA Loop Powered Display


Field Rangeable


S315  $139 *stock item*
S315-IP66  $300

Open Datasheet
Download Datasheet

Open Installation Manual
Download Installation Manual

Click to see ALL Seneca products

Loop Powered Display
Input: 4-20 mA
Display: 4 digit red LED

  • 1/8 DIN panel mount or IP66 housing
  • Scaleable 4 digit display

CE logo
S315
S315