Define Instruments
Define Instruments is a New Zealand owned and operated company that develops and manufactures a range of industrial instruments for measurement and control, including: panel meters, DIN rail controllers, transmitters, data loggers and more. read more
It is a small company that prides itself on being flexible and able to meet your needs with an affordable and simple way to control variables like flow rate, weight and temperature. They use the latest in lead-free wave technology to provide quality, RoHS compliant products at competitive prices.
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- CATEGORY
- Data Loggers ()
- Isolators ()
- Panel Meters / Digital Indicators ()
- Power Supplies ()
- Signal Conditioners ()
- Surge Protectors ()
- Temperature Transmitters / Transducers ()
- APPLICATION
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P2P-I accepts 2 universal isolated analog inputs & transmits wirelessly to P2P-O which converts them to 4-20mA isolated analog outputs
$517.00
In Stock
Non-isolated, loop powered transmitter that head mounts to an RTD probe and outputs a 4-20mA signal
$71.00
In Stock
Flexible 16-channel control and monitoring station that logs data onto a 1GB micro SD card
IoT edge processor with real-time OS, up to 22 inputs/40 inputs/outputs, 8 Isolated outputs, RS485 ModBus RTU master/slave interface
Universal input panel meter with buttonless, 4-digit LED display that accepts universal AC/DC power supply and is UL listed
2 4–20ma inputs (non-isolated), 4 digital inputs, direct wireless interface, optional RS485 ModBus RTU master/slave interface
Up to 5 isolated channels for 4-20mA DC inputs and outputs, loop powered or optional active output
Slim, loop powered signal conditioner that converts a 2-wire universal input to a 4-20mA output, UL listed
$129.00
In Stock
16 channel monitoring & control station with choice of isolated or non-isolated inputs
24VDC auxiliary powered splitter receives a 4-20mA DC input signal, and provides two identical active 4-20mA output signals
$149.00
In Stock
Compact DIN rail mount design, analog signal transmitter with 4, 12 or 16 isolated universal inputs
Isolated 4- or 6-wire strain gauge inputs & relay outputs for batching control, with optional analog output (4-20mA / 0-10V)
Isolated, loop powered transmitter that head mounts to an RTD or thermocouple and outputs a 4-20mA signal
$121.00
In Stock
Accepts universal input signal types, offers two relay outputs for alarming, and optional 4-20mA output
6-digit dual LED displays for flow rate & volume with optional analog & relay outputs for alarm & on/off process control
6-digit LED display, accepts & displays load cell & strain gauge with optional analog & relay outputs for alarm & on/off process control
Self powered unit measures and converts a high AC current signal into a 0 to 10VDC isolated output
$60.00
In Stock
Loop powered signal conditioner that converts a 2-wire universal input to a 4-20mA output
$142.00
In Stock
Powers up to ten 4-20mA, 2-wire loops with overload protection, low noise, and 2% accuracy in a DIN rail mount case
$85.00
6-digit LED display counter or rate indicator with optional 4-20mA analog output
Loop powered unit measures and converts a high AC current signal into a 4-20mA DC signal
6-digit display, monitors and totalizes the flow rate of transmitters with optional analog & relay outputs for alarm & on/off process control
Single or dual display counter & batch process controller, accepts digital pulses & quadrature inputs with optional relay & analog outputs
4-20mA input, loop powered, 6-digit LCD display that is protected against reverse wiring and accidental 24V supply
$189.00
In Stock
5-digit LCD indicator with °C, °F, or dummy zero in 6th position, loop powered by a 4-20mA input signal
$180.00
In Stock
Converts universal USB to RS232, RS485, or RS422, can reconfigure with software download for RS232 to RS485 or RS422
$140.00
In Stock
4-digit LED display that accepts DC current or DC voltage input, with optional analog & relay outputs for alarm & on/off process control
Dual 6-digit display for RH & temperature RTD inputs with two 4-20mA outputs & optional relays for alarm & on/off process control
User powered transmitter that accepts 4-wire universal input and generates a current or voltage output
$184.00
In Stock
6-digit LED display dual totalizer with optional analog & relay outputs for on/off process control
RTU slave device with 16 isolated realy outputs & 16 digital inputs for direct connection to Modbus master PLCs and SCADA systems
$355.00
In Stock
5-digit LED display with a 0 to 100% bar graph, current and voltage inputs, with optional analog & relay outputs for on/off process control
6-digit LED display with four 0- or 4-20mA process input channels & optional analog & relay outputs for alarm & on/off process control
Large 4-digit LED display, accepts universal AC input, with optional analog & relay outputs for alarm & on/off process control
Uses gas discharge tubes and transient voltage suppressors to protect instrumentation against power surges
$70.00
In Stock
6-digit LED display scales in engineering units with optional analog & relay outputs for alarm & on/off process control
Starting at
$302.00
6-digit LED display performs custom averaging calculations with optional analog & relay outputs for alarm & on/off process control
6-digit LED display accepts up to 4 thermocouple inputs with optional analog & relay outputs for alarm & on/off process control
PC connection to all USB-programmable Define Instruments, required for Zen, Javelin, Twin Link, Sentry, Merlin, Pathfinder & TM Series
$49.00
In Stock
30cm (approximately 1ft) cable separates antenna from point-to-point transmitter for mounting unit in an enclosure, negates FCC approval
$18.00
In Stock
Extends the wireless range of the Twin Link by relaying data between the input and output nodes
$204.00
Replacement antenna for Define Instruments wireless models available in 3 or 8dBi
Differential resistive attenuator that accepts a maximum of 1000VDC input and outputs a signal reduced by a factor of 1000
$38.00
In Stock
Wifi or LTE Cat M1 service plans available, 4.2Mb, 25Mb, 46Mb and 250Mb monthly plans available
Starting at
$0.00
250VAC to 5VDC (1A) external power adapter with interchangeable multi-region plugs to USB connector
$32.00