Temperature Alarms and Transmitters

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

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. 2-5 day typical lead time + shipping time
  6. 5-10 day lead time for quantities of 5 or more + shipping time
  7. To place your order
Model
Input/Output
Features
Product

Thermocouple Input Alarm Trips


Factory Configured
New Versions 12-11-2018
API 1200 G  from $279
API 1220 G  from $299

Open Datasheet
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Old Version
API 1200 G (discontinued)
API 1220 G (a few left)

Open Datasheet
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Specify T/C type and
°F or °C temperature range

Factory configured
Thermocouple J, K, T, E, R, S, N, B, C, D, G, M, P
100°F (55°C) recommended minimum span
API 1200 G Single Alarm Trip
One DPDT contact set
Standard: HI alarm, normal acting,
set/reset adjustments, non-latching
See data sheet for alarm options
API 1220 G Dual Alarm Trip
Two SPDT contact sets
Standard: HI/LO alarms, normal acting,
two set/reset adjustments, non-latching
See data sheet for alarm options
  • New version
    • Complete thermocouple selection
    • Microprocessor controlled input linearization
    • More burnout options
    • Improved setpoint/reset point control
  • User adjustable set and reset point(s)
  • 8 Amp contacts
  • Hot-swappable plug-in design
  • Replaces Action AP 1200 and AP 1220
  • Input LoopTracker LED and output test button
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO
  • Optional reverse acting, optional latching
  • Uses API-011 11-pin socket
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 1200G
API 1200 G, API 1220 G

Universal Temperature Input to DC Isolated Transmitter


Field Programmable


APD 4000  from $375

Open Feature Summary
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Open Datasheet
Download Datasheet
Field programmable inputs
Thermocouples: J, K, T, E, R, S, N, B, C, D, G, M, P
RTDs: 2, 3, or 4 wire, 10Ω to 8000Ω RTDs
Thermistors: 44000 series, YSI 400, Spectrum
Custom input available
18 field selectable output ranges
Voltage: 0-1V, 0-2V, 0-4V, 0-5V, 1-5V, 0-8V, 0-10V, 2-10V,
±5V, ±10V
Current: 0-2mA, 0-4mA, 0-8mA, 0-10mA, 2-10mA, 0-16mA,
0-20mA, 4-20mA
Can be wired for sink or source
  • Covers all common temperature sensors
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times

APD4000 UL approved
APD 4000

Universal Input to DC Isolated Signal Conditioner


Field Programmable


APD 8000  from $399

Open Feature Summary
Download Feature Summary
Open Datasheet
Download Datasheet
Field configurable inputs
DC volts: 35 ranges from ±25mVDC to ±10 VDC
DC mA sinking input, 20 ranges from ±0.5mADC to ±20mADC
Potentiometer: 100Ω min. to 1 MegaΩ max.
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
RTDs: 2, 3, or 4 wire, 10Ω to 8000Ω RTDs
Thermistor: 44000 series, YSI 400, Spectrum
Custom input available
18 field programmable output ranges
Voltage: 0-1V, 0-2V, 0-4V, 0-5V, 1-5V, 0-8V, 0-10V, 2-10V,
±5V, ±10V
Current: 0-2mA, 0-4mA, 0-8mA, 0-10mA, 2-10mA, 0-16mA,
0-20mA, 4-20mA
Can be wired for sink or source
  • Switch and pushbutton setup
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times

APD8000 UL approved new!
APD 8000

Thermocouple to DC Isolated Transmitter


Factory Configured
APD 4130  from $375

Open Datasheet
Download Datasheet
Factory set input range
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
Custom input available
Factrory set output range
Voltage: 0-1 V to 0-10 V, ±5 V, ±10 V
Current: 0-2 mA to 4-20 mA
Can be wired for sink or source
  • ±0.25 % accuracy
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4130 UL approved new!
APD 4130

Thermocouple to DC Isolated Transmitter
High Accuracy


Factory Configured
APD 4131  from $395

Open Datasheet
Download Datasheet
Factory set input range
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
Custom input available
Factrory set output range
Voltage: 0-1 V to 0-10 V, ±5 V, ±10 V
Current: 0-2 mA to 4-20 mA
Can be wired for sink or source
  • ±0.1 °C Accuracy
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4131 UL approved new!
APD 4131

Universal Thermocouple to DC Isolated Transmitter


Field Programmable


APD 4351  from $395

Open Datasheet
Download Datasheet
Field programmable input
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
Custom input available
18 field selectable output ranges
Voltage: 0-1V, 0-2V, 0-4V, 0-5V, 1-5V, 0-8V, 0-10V, 2-10V,
±5V, ±10V
Current: 0-2mA, 0-4mA, 0-8mA, 0-10mA, 2-10mA, 0-16mA,
0-20mA, 4-20mA
Can be wired for sink or source
  • Covers all common thermocouples
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times

APD4351 UL approved New!
APD 4351

Thermocouple to DC Isolated Signal Conditioner


Factory Configured
API 4130 GL  from $399

Open Feature Summary
Download Feature Summary
Open Datasheet
Download Datasheet
API 4130 GL sold before 07-12-16

Open Datasheet
Download Datasheet
Specify T/C type and
°F or °C temperature range

Factory configured
Thermocouples J, K, T, E, R, S, N, B, C, D, G, M, P
±0.25°C Accuracy
New microprocessor-based linearization
Specify output range
Factory configured analog output
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA
  • Hot-swappable plug-in design
  • Isolated & linearized
  • Automatic cold junction compensation
  • Full I/O/power isolation
  • Repalces Action AP 4130
  • I/O LoopTracker LEDs
  • Output test button
  • Uses API-008 8-pin socket
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 4130GL New! UL listed
API 4310 GL

Universal Input to 4-20 mA Loop Powered Transmitter


Field Programmable


K121  $149 *1 in stock*

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Open Installation Manual
Download Installation Manual
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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 new EX
K121
K121

Thermocouple to DC Isolated Transmitter


Field Configurable


K109TC  $169 *in stock*

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Open Installation Manual
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Click to see ALL Seneca products
Field Configurable Input
Input: Thermocouple: J, K, T, E, R, S, N, B
Field Configurable Output
Output: 4-20 mA, 0-20 mA, 20-4 mA, 20-0 mA,
0-5 V, 1-5 V, 0-10 V, 10-0 V
  • Only 6.2 mm wide
  • DIP switch configuration
  • Full 3-way isolation
  • Low cost
  • DIN rail mount without tools
  • Power: 19.2-30 VDC or K-SUPPLY+KBUS

UL Listed CE logo
K109TC
K109TC

Universal Temperature to DC Isloated Transmitter


Field Programmable


Sineax V624

Open Datasheet
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Open Installation Manual
Download Installation Manual
Download Software
T/C types
J, K, T, E, R, S, N, B, W5, W3, L, U
RTD, 2-, 3-, or 4-wire
100 Ω 0.00385α
100 Ω 0.003916α
Thermistor
Software for custom input linearization
Specify if Current or Voltage Output
0-2 mA to 0-20 mA, 20-0 mA
0-1 V to 0-10 V, 10-0 V
  • PC Programmable
  • Reverse Output Programmable
  • Custom Input Linearization
  • Programmable Sensor Fault Response
  • Removable Plugs
  • 3.7 kV Input/Output/Power Isolation
  • 24-60 or 85-230 VAC/VDC Powered
  • 3 Year Warranty

CE
Sineax V624

Head-Mount Universal Transmitter, Isolated


Field Programmable


Fits DIN Form B Heads
T121  $159 *in stock*

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Open Installation Manual
Download Installation Manual
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Programmable
Input: Pt100 or Ni100, Pt500, Pt1000
J, K, R, S, T, B, E, N
Potentiometer
mVDC, VDC
Selectable Output
Output: 4-20 mA, 20-4 mA
  • Order T121-C for pre-programmed I/O
  • 44 mm dia
  • EASY-USB configuration
  • I/O isolation
  • Low cost
  • DIN B with 5.8mm (0.228"dia) center hole
  • Power: 7 to 30 VDC current loop

T121 CE logo new
T121
Programming kitK121
K121
Includes
Converter
Software mini CD (or download latest)
Adapter cable (std USB cable not included)
EASY-USB
EASY-USB

4 Digit 4-20 mA Loop Powered Display


Field Rangeable


S315  $139 *in stock*
S315-IP66  $300

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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 new!
S315
S315
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