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 ()
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Define Instruments Twin Link Point-to-Point Wireless System
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
Define Instruments Merlin Digital Indicator
Universal input panel meter with buttonless, 4-digit LED display that accepts universal AC/DC power supply and is UL listed
$192.00
In Stock
Define Instruments Zen IoT Gateway & Data Logger
Connect PLCs & other discrete control systems to the Cloud with 4, 12, or 16 isolated analog universal inputs & logging for up to 32MB
Select options for pricing
Define Instruments Zen Data Logger
Flexible 16-channel control and monitoring station that logs data onto a 1GB micro SD card
$1,364.00
In Stock
Define Instruments SLIM-IS Isolated Signal Splitter
24VDC auxiliary powered splitter receives a 4-20mA DC input signal, and provides two identical active 4-20mA output signals
$149.00
Define Instruments Zen RTU Remote Terminal Unit
16 channel monitoring & control station with choice of isolated or non-isolated inputs
$699.00
In Stock
Define Instruments SLIM Isolator
Up to 5 isolated channels for 4-20mA DC inputs and outputs, loop powered or optional active output
$94.00
In Stock
Define Instruments 24V Power Supply
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
In Stock
Define Instruments Zen RTU Mini Remote Terminal Unit
Compact DIN rail mount design, analog signal transmitter with 4, 12 or 16 isolated universal inputs
$844.00
In Stock
Define Instruments Javelin Isolated Transmitter
Slim, loop powered signal conditioner that converts a 2-wire universal input to a 4-20mA output, UL listed
$129.00
Define Instruments Nimbus Cloud Interface
3 programmable relay outputs capable of switching mains powered equipment
$299.00
Define Instruments TM-2HL Temperature Transmitter
Non-isolated, loop powered transmitter that head mounts to an RTD probe and outputs a 4-20mA signal
$71.00
In Stock
Define Instruments PRO-WEI100 Load Cell Panel Meter
6-digit LED display, accepts & displays load cell & strain gauge with optional analog & relay outputs for alarm & on/off process control
$390.00
In Stock
Define Instruments TM-2DLI Isolated Transmitter
Loop powered signal conditioner that converts a 2-wire universal input to a 4-20mA output
$142.00
In Stock
Define Instruments PRO-FLO200 Flow Rate Panel Meter
6-digit dual LED displays for flow rate & volume with optional analog & relay outputs for alarm & on/off process control
$376.00
In Stock
Define Instruments ACCS-420 AC Current Sensor
Loop powered unit measures and converts a high AC current signal into a 4-20mA DC signal
$60.00
In Stock
Define Instruments TM-4DPI Isolated Transmitter
User powered transmitter that accepts 4-wire universal input and generates a current or voltage output
$184.00
In Stock
Define Instruments SC-WEI Load Cell Signal Conditioner
Isolated 4- or 6-wire strain gauge inputs & relay outputs for batching control, with optional analog output (4-20mA / 0-10V)
$266.00
In Stock
Define Instruments PRO-CTR Panel Meter
Single or dual display counter & batch process controller, accepts digital pulses & quadrature inputs with optional relay & analog outputs
$331.00
In Stock
Define Instruments TEX-CTR10 Panel Meter
6-digit LED display counter or rate indicator with optional 4-20mA analog output
$188.00
In Stock
Define Instruments TEX-TOTAL Flow Rate Panel Meter
6-digit display, monitors and totalizes the flow rate of transmitters with optional analog & relay outputs for alarm & on/off process control
$302.00
In Stock
Define Instruments TM-2HLI Temperature Transmitter
Isolated, loop powered transmitter that head mounts to an RTD or thermocouple and outputs a 4-20mA signal
$121.00
In Stock
Define Instruments LPI610 Surface Mount Display
4-20mA input, loop powered, 6-digit LCD display that is protected against reverse wiring and accidental 24V supply
$189.00
In Stock
Define Instruments PRO-PRC Panel Meter
6-digit LED display with four 0- or 4-20mA process input channels & optional analog & relay outputs for alarm & on/off process control
$412.00
In Stock
Define Instruments TEX-BAR Graph Panel Meter
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
$344.00
In Stock
Define Instruments Sentry Trip Amplifier
Accepts universal input signal types, offers two relay outputs for alarming, and optional 4-20mA output
$199.00
In Stock
Define Instruments SD-50X Panel Mount Display
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
Define Instruments LD-PRC Panel Meter
4-digit LED display that accepts DC current or DC voltage input, with optional analog & relay outputs for alarm & on/off process control
$188.00
In Stock
Define Instruments TEX-FLO10 Flow Rate Panel Meter
6-digit LED display dual totalizer with optional analog & relay outputs for on/off process control
$302.00
In Stock
Define Instruments RIO-MOD-RTU Distributed I/O Station
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
Define Instruments Multicom USB to Serial Converter
Converts universal USB to RS232, RS485, or RS422, can reconfigure with software download for RS232 to RS485 or RS422
$140.00
In Stock
Define Instruments TEX-PRC Panel Meter
6-digit LED display scales in engineering units with optional analog & relay outputs for alarm & on/off process control
$302.00
In Stock
Define Instruments TEX-DEW200 Panel Meter
Dual 6-digit display for RH & temperature RTD inputs with two 4-20mA outputs & optional relays for alarm & on/off process control
$453.00
In Stock
Define Instruments OVP-100 Overvoltage Protector
Uses gas discharge tubes and transient voltage suppressors to protect instrumentation against power surges
$70.00
In Stock
Define Instruments ACCS-010 AC Current Sensor
Self powered unit measures and converts a high AC current signal into a 0 to 10VDC isolated output
$60.00
In Stock
Define Instruments PRO-RTD Panel Meter
6-digit LED display performs custom averaging calculations with optional analog & relay outputs for alarm & on/off process control
$412.00
In Stock
Define Instruments PRO-TC Panel Meter
6-digit LED display accepts up to 4 thermocouple inputs with optional analog & relay outputs for alarm & on/off process control
$412.00
In Stock
Define Instruments LD-UAC Panel Meter
Large 4-digit LED display, accepts universal AC input, with optional analog & relay outputs for alarm & on/off process control
$188.00
In Stock
Define Instruments Bridge Key Communications Kit
PC connection to all USB-programmable Define Instruments, required for Zen, Javelin, Twin Link, Sentry, Merlin, Pathfinder & TM Series
$49.00
In Stock
Define Instruments Point-to-Point Wireless Repeater
Extends the wireless range of the Twin Link by relaying data between the input and output nodes
$204.00
In Stock
Define Instruments Monopole Antenna
Replacement antenna for Define Instruments wireless models available in 3 or 8dBi
$8.00
Define Instruments Antenna Extension Cable
30cm (approximately 1ft) cable separates antenna from point-to-point transmitter for mounting unit in an enclosure, negates FCC approval
$18.00
In Stock
Define Instruments HVA-1000 High Voltage Attenuator
Differential resistive attenuator that accepts a maximum of 1000VDC input and outputs a signal reduced by a factor of 1000
$38.00
In Stock
Define Instruments FM1602 Remote Display
Front mount LCD remote display for use with the Zen data logger
$180.00
Define Instruments 12VDC Power Adapter
Compatible with all Define Instruments wireless models
$21.00
In Stock
Define Instruments Multicom Power Adapter
250VAC to 5VDC (1A) external power adapter with interchangeable multi-region plugs to USB connector
$32.00
Define Instruments ZEN-RIO Relay I/O Expansion
Adds 16 relay outputs & 16 digital control inputs to the Zen data logger
$559.00
In Stock