M4 series high-precision handheld calibrator/data logger

M4 series high-precision handheld calibrator/data logger

Built on a solid foundation

After nearly 25 years of continuous production, MeriCal ™ The digital pressure transmitter calibrator is one of the most successful instruments and has been used in the manufacturing industry. The Meriam new M4 series handheld high-precision calibrator/data logger boasts an impressive range of new product features, functions, and comprehensive precision specifications, thus establishing such a reputation! The M400 includes a pressure sensor and a 1mA/V instrument. Differential pressure, standard size, combination, or absolute pressure types can be selected, with a measurement range from 10 "H2O to 3000 PSIG full scale. Do you need two more versatile measurement ranges? no problem!

This M402 can be configured with any two measuring instruments, combination, or absolute sensors. To learn about all possible options, please refer to the table below. The full-scale accuracy is ± 0.025%. Maintain this accuracy even when the temperature exceeds the range of -20 ° C to+50 ° C (-4 ° C to+122 ° F). All data records on the model are standardized.

All M4 series handheld instruments are capable of convenient electrical signal measurement and output. Measure ± 50V or ± 100mA using the provided test wire, output 24 DC voltage (VDC) and measure mA, absorb mA, or output DC voltage (VDC) or signal range (mA DC). The accuracy within the entire operating temperature range is ± (0.015% reading+0.002 units). The adaptive interface wheel can easily obtain input values and absorption values.

New M4 series handheld precision calibrator/data logger

Applicable pressure range

Specify single sensor ZM400 or dual sensor ZM402. Note: ZM402 is not suitable for DN, DI, and GI, for example: ZM400-DN0415=M4 series differential pressure sensor range 0-415 "H2O

ZM402-CI0030, CI1000=M4 series dual combination pressure sensor, with a range of 0-30 and 0-1000 PSIG

On all M4 models, data recording is standardized. Select Data Recording from the Settings main menu, and then use the keyboard to control the desired time interval and time parameters. For M400 single pressure sensor components, pressure, VDC, and signal range (mA DC) values are stored on the SD card at each time interval. The M402 dual pressure sensor component simultaneously records pressure values as well as DC voltage and DC current values.

The provided SD card is located under the battery compartment cover. You can use the provided USB cable and PC tools to transfer data to a personal computer, or insert an SD card into a compatible personal computer and copy the required files. The M4 handheld device and SD card can support up to 100 different data recording files.

All DC voltages and currents are measured using two 1/8 "banana shaped sockets located at the lower end of the handheld instrument. This reduces the time required for measurement and potential errors. These sockets can temporarily provide 24V DC power and measure circuit current simultaneously. Output DC voltage and current is also a standard function. Use the Sensor button to highlight the desired sensor, and then use the Settings button to select the desired function. The adaptive interface wheel is used to set precise values or configure steps or adjust output programs to test the receiving device.

Pressure measurement

M400: Single pressure sensor (specified by customer)

M402: Dual pressure sensors - any combination or individual sensor, mixed and matched as needed

Accuracy: ± 0.025% of full scale

Temperature performance: Accuracy (including all temperature effects) 20 °~+50 ℃ (-4 °~+122 ℉)

Resolution: with selectable accuracy or precision: the number of decimal places to the right of the decimal point required for the current selected engineering component to display accuracy or precision (usually an additional digit).

Engineering components: can be configured to display industrial standard engineering components ranging from 1 to 32.

Pressure limit

DN sensor:

When only applying pressure on P1 (HI), the range is doubled, and when applying pressure on both P1 (HI) and P2 (LO) sides simultaneously, the range is 150 PSI.

DI sensor:

When only applying pressure on P1 (HI), it is within a 3-fold range. When only applying pressure on P2 (LO) side, it is within a 3-fold range or 150 PSI (whichever is lower). When applying pressure on both P1 (HI) and P2 (LO) sides simultaneously, it is only 1000 PSI.

GI, CI, AIsensors: 2x range

Media compatibility:

DN sensor: non insulated only for clean, dry and non corrosive gas (brass, 316L stainless steel, silicon gel)

DI sensor: fluid insulation compatible with 316L stainless steel and fluororubber GI, CI, AI

Voltage and current, measurement, output, absorption

DC voltage: ± 50 VDC measurement, 0-24 VDC power supply

DC current: ± 100 mA DC measurement, 0-24 mA DC power supply, absorbing 1-24 mA from an external power supply at 3-50 VDC

Accuracy: ± (0.015% of reading+0.002 units)

Temperature performance: Accuracy (including all temperature effects) 20 °~+50 ℃ (-4 °~+122 ℉)

Resolution (measurement mode): optional, accuracy or precision; They are 0.001 V/mA or 0.0001 V/mA, respectively

Circuit/Power Supply

2500HART ® Resistance includes

twenty-four VDC@4mA , 18.5 VDC@20mA

20mA battery output for 10 hours

temperature

During operation: -4 to 122 ℉ (-20 to 50 ℃)

When stored: -40 to 140 ℉ (-40 to 60 ℃)

Connector

Pressure: 1/8 "NPT (internal)

Electrical: Standard banana socket update on 3/4 center firmware, data retrieval: USB mini-B (internal)

power supply

Portable service: Four (4) 1.5V AA alkaline batteries can be used for continuous measurement for more than 30 hours

PC operation: Use USB power supply with USB A-type~USB mini-B cable (requires high-power 500 mA port)

Display screen: 128 × 128 pixels (2 "× 2" visible range) display screen with adjustable backlight (green) and warning backlight (red)

Keyboard: Sealed film keyboard with molded dome switch and integrated adaptive interface wheel

Shell: 8.5 "L x 3.75" W (max) x 2.25 "D (maximum), polycarbonate box, Softflex ® Super molded bumper, IP40

Weight: M400 single sensor: 1.5-1.8 lbs, M402 dual sensor: 1.8 lbs

Firmware features: measurement control, zero setting, tare weighing, exponential or intelligent damping, continuous minimum/maximum value display, component selection and configuration, advanced data recording, configuration of automatic shutdown timer, configurable backlight timer, configurable backlight brightness, configurable display contrast, providing timed display of percentage and various status indicator lights, battery monitor,

On site recalibration: All sensors are recalibrated using appropriate relevant standards. M4 series products may also be sent back to Meriam for factory recalibration or to obtain calibration services

Standard accessories