• LCD display
• keypad
• interface software
• power supply
• calibration options
• input options
• output options
• flow log archival
• password-protected security

• LCD display
• keypad
• interface software
• power supply
• calibration options
• input options
• output options
• flow log archival
• password-protected security

The MC-III WP Flow Analyzer operates by calculating and showcasing instantaneous flow rates and cumulative totals based on inputs from a turbine flowmeter. Its sophisticated microprocessor technology accurately tallies the pulses produced by the corresponding flowmeter, converting this information into precise volume and rate measurements aligned with calibration parameters. Utilizing a dual-line liquid crystal display (LCD), the MC-III effectively presents the totalized data. The top portion of the display, featuring an eight-digit readout, highlights the cumulative flow volume, while the lower six-digit segment indicates the current flow rate. Notably, a simple keystroke allows users to securely store totals in nonvolatile memory, significantly reducing the likelihood of data loss during power interruptions.

Up to 384 daily logs, 768 hourly logs, and 345 event logs can be archived and accessed quickly on demand.

Offering a variety of user-configurable display options, input and output options, RS-485 Modbus® compatibility, flow logging, and turbine flowmeter linearization, the MC-III WP is one of the most versatile totalizers on the market.

• LCD display
• keypad
• interface software
• power supply
• calibration options
• input options
• output options
• flow log archival
• password-protected security

• Power supply: 10 – 28 VDC, 2 mA current draw quiescent (12 mA during relay 
• contact closure or when opto-isolator open collector module is on)
• Input signal: 20 mV peak to peak – 10 V peak to peak
• Divisor: 1 to 524,287 (set by 19 miniature dip switches)
• Operating temperature: -20º to 140ºF (-28º to 60ºC)

• Square wave output at 0 to 5 V logic level at turbine meter frequency. Load = 250K ohm or larger. Maximum turbine meter frequency = 3,000 Hz
• Pulse output from divisor at 0 to 5 V logic level. Pulse direction is user-selectable for positive- or negative-going pulse. Pulse duration is adjustable from 60 ms to 800 ms. Load = 250K ohm or larger.
• Dry contact output two-pole relay, relay closure duration is adjustable from 60 ms to 800 ms (Relay Contact Rating: .5 A, 30 VDC, 10 W max.)
• Opto-isolated open collector output is adjustable from 60 ms to 800 ms “on” time. (Opto-Isolated Module: .1 A max., 30 VDC max.)

• Optional feature: rate option circuit board with 4-20mA output representing rate

Some potential challenges associated with turbine flow meters is that the standard output is a low-voltage centered AC sine wave, often with very low current flow. In situations where there's electromagnetic noise or grounding issues from nearby electrical equipment, small pulses on the interconnecting wires can be misinterpreted as flow pulses by the totalizer.

To address this, an amplifier (preamp) mounted on or near the turbine flow meter can increase the magnitude of legitimate pulses, allowing the pulse receiving device to differentiate them from background noise. Additionally, it's important that all remote signal cables are shielded to minimize the impact of external interference.