Loop Isolators - Isolate 4-20 mA Current Loops
- 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 belowfor product information
Literature and Links
API product brochure
Options & accessories
Cross reference
Regulatory Compliance page
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
- Select a model
- See data sheet for ordering info and options
- Note that options affect pricing
- Request a quote via chat or call us
- 2 day to 4 week typical lead time (USA customers)
- To place your order
- Call 800-942-0315 for credit card order
- Find your authorized representative
- Call us to find your local distributor
- Set up an account to use a purchase order
- Outside the USA?
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
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
Z110S
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
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
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
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
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
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
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
Input: 4-20 mA
Display: 4 digit red LED
- 1/8 DIN panel mount or IP66 housing
- Scaleable 4 digit display
S315
