• Microprocessor reduces setup time, improves performance, and performs self-diagnostics.
• Multivariable transmitter accepts a variety of input sensor types to meet most applications and help minimize inventory requirements.
• Multifunction LCD readout displays temperature in °C or °F, a bar graph, the tag name, and diagnostic data.
• Flexible configuration supports setup via a PC with Acromag’s software interface package or by using pushbuttons on the optional LCD display.
• 22-breakpoint linearizer table helps the user define custom output transfer functions.
• Sensor break detection and reporting functions allow users to specify a failsafe output and post a message on the optional LCD display.
• Automatic cold-junction compensation ensures high accuracy over a wide temperature range.
• Isolation between input/output circuits allows the use of grounded or ungrounded sensors.
• Output ranges can be set in engineering units anywhere within the input sensor range. No minimum/maximum span limitation.
• Operating temperature: Electronics: -40 to 85°C (-40 to 185°F), Display: -20 to 70°C (-4 to 158°F)
| Digital Input Accuracy – ±0.05% of equivalent millivolt or ohm reading, or the accuracy shown in range tables, whichever is greater. Ambient Temperature Effect – Self-correcting over full operating temperature range for changes up to 20°C/hour. Error is less than half the reference accuracy plus 0.1°C per 28°C change. Noise Rejection – Common Mode: Better than 120dB @ 60Hz. Sensor Break Detection – Failsafe response configurable for upscale (23mA), downscale (3.6mA), or no circuit response. Linearization – TC and RTD linearization to ±0.05°C. Custom software configuration table supports up to 22 breakpoints. Input Conversion Rate – 7 conversions per second (150mS), typical. Cold Junction Measurement Accuracy ±0.5°C (±0.9°F). Input Impedance – Thermocouple/millivolt input: 0.2M ohm. – RTD/resistance input: 1M ohm. RTD Input Configuration – Supports two, three, and four-wire (Kelvin) RTDs. RTD Excitation Current – 0.3mA nominal. |
| Universal input with PC or HART configuration • RTD (2, 3, and 4-wire), – 100 ohm Pt DIN (alpha = 0.00385), – 100 ohm Pt SAMA, (alpha = 0.003923) – 10 ohm Cu, 100 ohm Ni, 120 ohm Ni • Thermocouple: B, C, E, J, K, L, N, R, S, T, U • Millivolt (-15 to 115mV) • 4 to 20mA DC (with optional 5 ohm resistor) • Resistance (0 to 500 ohms) |
| Output Range – 4 to 20mA DC. Output Accuracy – ±0.05% of span. Output Load Compliance – RLOAD = (VSUPPLY – 12V) / 23mA. – 500 ohm @ 24V DC supply. Output Response Time (for input step change) – 250mS typical to 98% of final output value. Output Action – Normal or reverse acting. Damping – Adjustable from 0 to 32 seconds. |
| Ambient Temperature Range (Operating) – Electronics: -40 to 85°C (-40 to 185°F). – Display: -20 to 70°C (-4 to 158°F). Relative Humidity – 5 to 100% non-condensing. Power Requirements – 12 to 42V DC @ 25mA. Isolation – 250V AC (354V DC) continuous isolation between input and output circuits. Approvals – CE marked. – CSA: Class I; Division 2; Groups A, B, C, D. – EMI/RFI Susceptibility – Less than ±0.5% of reading at 10V/m, 20KHz-1GHz. – Electrical Fast Transient (EFT) – Complies with EN61000-4-4 Level 3 and EN50082-1. Surge Withstanding Capability (SWC) – Complies with EN61000-4-5 Level 3 and EN50082-1. Electrostatic Discharge (ESD) – Complies with EN61000-4-2 Level 3 and EN50082-1. Radiated Emissions – Meets or exceeds EN50081-1 for Class B equipment. |
