Compare 0-100V DC, ±100V DC, or 0-22mA DC input signals against user-defined hi/lo setpoint alarm limits for failsafe relay trip activation.
Showing all 8 results
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VPM3000 Series: Universal Transmitter / Alarm with Display
- Big, bright display
- 4-20mA, ±10V, thermocouple, or RTD input
- 4-20mA, Modbus serial, or alarm relay output options
$345 – $545Select options -
260A: Limit Alarm; DC Current Input, Loop-Powered
- 4 to 20mA DC input
- Single mechanical relay output
- 4.5V DC from input loop power
- Hi/lo fail-safe option trips alarms above or below set-point
$450Read more -
361A, 461A: Limit Alarm; DC Voltage/Current Input, AC or DC-Powered
- 0 to 20mA DC, 0 to 100V DC, AC current (with optional sensor) input
- Single or dual mechanical relays output
- 10-36V DC or 115/230V AC power
- 100% adjustable set-point, hi/lo fail-safe operation, jumper-selectable voltage/current input
$440 – $445Read more -
811A, 812A: Intelligent Alarm; DC Voltage/Current Input
- ±100V or 0 to 22mA DC input ranges or 2 input channels, ±100V or 0 to 22mA DC input ranges (AC current with optional sensor)
- Single or dual mechanical relays
- 10-36V DC power
- Software configured; multi-function alarms (limit, window, deviation, rate-of-change, peak/valley detection); on/off controller capability
$375 – $500Read more -
913MB, 914MB: DC Current/Voltage Modbus-RTU Input Module with Limit Alarms
- 4 input channels
- 0 to 20mA DC (0 to 20A AC with AC sensor) or ±10V DC input range
- 4 alarm channels, open drain MOSFETS (1A DC loads, 0 to 35V DC)
- 10 to 36V DC, 24V AC power
- Modbus RTU high-speed RS-485
$405Read more -
uB31, uB41: DC Voltage Field Input Module
- Bluetooth® wireless configuration option
- Narrow or wide band voltage field input
- Host voltage output
$105 – $225Select options -
uB32: Narrow Band DC Current Field Input Module
- Bluetooth® wireless configuration option
- Narrow band DC current field input
- Voltage host output
$115 – $220Select options -
uBTA-H-1 Series: microBlox® Transmitter and Alarm Carrier
- Two alarm relay outputs
- 0/4-20mA and 0/1-5V transmitter output
- Bluetooth® wireless configuration
$170 – $185Select options