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M334 4-20mA Circuit Calibrator

NegotiableUpdate on 06/13
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Overview

This M334 is functionally equivalent to a similar calibrator, but has many additional benefits. These improvements include improved long-term stability, accuracy, reliability, and durability (including significantly extending the battery's lifespan). The comprehensive improvement of MeriamM334 has enabled it to achieve or exceed the expected performance and performance of similar products

Product Details

M334 4-20Milliampere circuit calibrator surface

M334

Meriam M334 is technologically advanced, highly reliable, structurally robust, and easy to use with a milliampere calibrator. It has the necessary functions to complete all the maintenance and calibration work required for the 4-20mA circuit. It provides source and milliampere reading functions, as well as power supply, measurement, and two-wire transmission simulation functions. In addition, it can measure DC voltage to troubleshoot power supply faults.

This M334 is functionally equivalent to a similar calibrator, but has many additional benefits. These improvements include improved long-term stability, accuracy, reliability, and durability (including significantly extending the battery's lifespan). The comprehensive improvement of MeriamM334 has enabled it to achieve or exceed the expected performance and performance of similar products

While maintaining its well-known and proven reliability, as well as the ease of use of similar calibrators, M334 also surpasses the performance level of many high cost calibrators and meets today's most demanding requirements. This is the new standard!

Advantages of M334

All milliampere (mA) current loop functions

Power supply 0.00 to 24.00mA (-25.0% to 125.0%)

Power supply 0.00 to 52.00mA (-25.0% to 300.0%)

Simulate dual line transmitter

Dual line transmitter for power supply and measurement

Accuracy better than 0.025% (± 1/2 LSD)

The error of the 4.00&20.00mA EZ check is within 0.005mA

Large high contrast graphic display

Visible under all lighting conditions and angles

Voltage display function

Display 0.00 to ± 99.99 VDC

EZ dial button

Convenient adjustment of output in 0.01mA units (0.01%)

EZ Check 3-Position Sliding Switch

Instantly output calibration value of 4.00 or 20.00mAh

L can adjust all 3 positions for valve testing convenience

Strong, sturdy and not easily damaged, with splash protection

Using 4 standard No. 5 alkaline batteries

Under normal use, the battery life can reach 70 hours

Easy to enter battery compartment

overload protection

135 VRMS protection

No fuse protection to prevent accidental incorrect connections

Compact, lightweight, and sturdy

Small size heavy-duty rubber protective shell

Optional rechargeable battery

One hour fast charger and four (4) nickel hydrogen batteries

The kit includes an AC adapter and a car travel charging adapter

Dual line transmitter for power supply/measurement
Range and Resolution 0.00 to 24.00mA full range or 4mA-20mA -25% to 125%
Accuracy-
Perform EZ check at 4 mA and 20mA (1) (plural) The error is less than ± 0.025% of the range (i.e. ± 0.005 mA) at 4.00&20.00 mA
0.0 to 24.00 mA Within 0.05% (± 0.01 mA) of the 24.00mAh range
noise Within ± 0.005mAh of reading
Temperature influence ≤±0.005%/°C of FS
Constant voltage of the circuit ≥24 DCV@20.00 mA
Loop driving capability 20mA at 1200 Ω for 15 calibration hours
BATTERY LIFE Power supply and measurement mode>30 hours at rated current of 12 milliamps

Additional technical specifications

Reading mA
range 0.00 to 24.00mA full range or 4mA-20mA -25% to 125%
Accuracy-Below 24.01mAExceeding 24.00 mA Within 0.05% (± 0.01 mA) of the 24.00mAh range

Within 0.05% (± 0.01 mA) of the 52.00 milliampere hour range

Voltage load At 50 mA, ≤ 2V
Overload/current limiting protection Nominal 54 mA
BATTERY LIFE Normally ≥ 125 calibration hours
Dual line transmitter simulation
Accuracy- Same as power supply/power measurement
Voltage load At 20 mA, ≤ 2V
Overload/current limiting protection Nominal 24 mA
Circuit voltage limit 2 to 100 VDC (without reverse polarity connection protection fuse)
BATTERY LIFE Nominal value ≥ 125 hours
Voltage display
Range and Resolution From -99.99 to 99.99+VDC full range (FS)
Accuracy- The error is within 0.05% of the entire range
temperature effect Within the entire range, not exceeding 100ppm per degree Celsius
Input impedance ≥2 MΩ
BATTERY LIFE Nominal value ≥ 125 hours
standard
operating temperature range -20 to 60 ℃ (-5 to 140 ℉)
Storage Temperature Range -30 to 60 ℃ (-22 to 140 ℉)
Relative humidity range 10% ≤ humidity ≤ 90% (0 to 35 degrees Celsius), non condensing

10% ≤ humidity ≤ 70% (35 to 60 degrees Celsius), non condensing

size The dimensions are length=5.63 inches width=3.00 inches height=1.60 inches
weight 12.1 ounces (including bottom support and battery)
battery Four "AA" alkaline 1.5V (Kingdee MN1500 or similar)

Optional 120 VAC 50/60 Hz AC adapter or nickel hydrogen rechargeable battery set available

other There will be a low battery prompt when there is 1 hour of remaining usable time in regular operation

When overloaded at 135 voltage (rated for 30 seconds) or 240 voltage (rated for 15 seconds), 0.413 inch high contrast graphic LCD display (10.5mm) high digital


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