Meriam M334 mA Loop Calibrator Meriam M334

Meriam M334 mA Loop Calibrator

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Meriam M334 mA Loop Calibrator

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Meriam M334

Datasheet

Features:

All milliamp (mA) loop functions
Accuracy to better than 0.025% (±½ LSD)
Large high contrast graphic display
Read voltage function
EZ-Dial knob
EZ-Check 3-position slide switch
Uses 4 standard "AA" alkaline batteries
Overload protected
Compact, lightweight and rugged
Rechargeable battery option available

Description

M334 4-20 Milliamp Loop Calibrator

The Meriam M334 is a state of the art, highly reliable, rugged and easy to use milliamp calibrator. It has the functions necessary to perform all the required maintenance and calibration tasks of virtually any 4-20mA loop. It provides source and read milliamp functions along with power and measure and two wire transmitter simulations. In addition it can measure DC Voltage for troubleshooting power supplies.

The M334 is functionally equivalent to similar calibrators with many additional benefits. These improvements include better long term stability, accuracy, reliability and ruggedness including significantly improved battery life. The combined improvements allow the Meriam M334 to meet or exceed all of the expected performance and functions of similar products.

The M334 will also exceed the performance of many higher cost calibrators and meet today’s most demanding requirements while maintaining the familiar, time proven reliability and ease of use of similar calibrators. This is the new standard!

M334 Advantages

All milliamp (mA) loop functions:
- Source 0.00 to 24.00 mA (-25.0% to 125.0%)
- Read 0.00 to 52.00 mA (-25% to 300.0%)
- Simulate 2-Wire Transmitters
- Power and measure 2-Wire Transmitters
Accuracy to better than 0.025% (±½ LSD)
- Within ± 0.005 mA from 4.00 & 20.00 mA EZ-Checks
Large high contrast graphic display
- Viewable in all lighting conditions and angles
Read voltage function
- Read 0.00 to ± 99.99 VDC
EZ-Dial knob
- Easily adjust output by 0.01 mA (0.01%)
EZ-Check 3-position slide switch
- Instantly output 4.00 or 20.00 mA calibration values
- Adjustable in all 3 positions for easy valve testing
- Rugged, unbreakable with splash protection
Uses 4 standard "AA" alkaline batteries
- Battery life up to 70 hours of normal usage
- Easily accessible battery compartment
Overload protected
- 135 vrms Protection
- Fuse-less Protection from accidental misconnection
Compact, lightweight and rugged
- Small in size with heavy protective rubber boot
Rechargeable battery option available
- One hour rapid charger with four (4) NiMh Batteries
- Kit includes an AC adaptor and a car adaptor for charging on the go.

Models, Options, & Accessories

Model

Description

List Price

Sale Price

M334

4-20 MILLIAMP LOOP CALIBRATOR Source 0.00 to 24.00 mA (-25.0% to 125.0%) Read 0.00 to 52.00 mA (-25% to 300.0%) Simulate 2-Wire Transmitters Power and measure 2-Wire Transmitters Accuracy to better than 0.025% (+/- 1/2 LSD) Within 0.005 mA from 4.00 & 20.00 mA EZ-Checks

$649.00

Specifications

General Specifications
Operating Temperature Range	-20 to 60°C (-5 to 140°F)
Storage Temperature Range	-30 to 60°C (-22 to 140°F)
Relative Humidity Range	10 % RH 90 % (0 to 35°C), Non-condensing 10 % RH 70 % (35 to 60°C), Non-condensing
Size	L=5.63 x W=3.00 x H=1.60 inches
Weight	12.1 ounces (including boot & batteries)
Batteries	Four "AA" Alkaline 1.5V (Duracell MN1500 or equivalent) Optional 120 VAC 50/60 Hz AC adaptor available NiMh Rechargeable battery kit available
Miscellaneous	Low battery indication with nominal 1 hour of operation left Over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds) High contrast graphic liquid crystal display with 0.413" (10.5 mm) high digits
Source/Power & Measure Two Wire Transmitters
Ranges and Resolution	0.00 to 24.00 mA Full Span or -25.0 to 125.0% of 4-20 mA
Accuracy
EZ Check(s) at 4 & 20mA(1)	≤ ±0.025% of Span at 4.00mA & 20.00mA (± 0.005mA)
0.0 to 24.00 mA	≤ ± 0.05% of 24.00mA Span (± 0.01mA)
Noise	≤ ± 0.005mA of Reading
Temperature effect	≤ ± 0.005 %/°C of FS
Loop compliance voltage	≥24 DCV @ 20.00mA
Loop drive capability	1200Ω at 20 mA for 15 hours nominal
Battery life	Source and Power measure mode 30 hrs at 12 mA nominal
Read mA
Ranges	0.00 to 52.00 mA Full Span OR -25.0 to 300.0% of 4-20 mA
Accuracy
Below 24.01mA	≤ 0.05 % of 24.00mA (± 0.01mA)
Above 24.00mA	≤ 0.05 % of 52.00mA (± 0.02mA)
Voltage burden	2V at 50 mA
Overload/Current limit protection	54 mA nominal
Battery life	Typical 125 Hours nominal
2-Wire Transmitter Simulation
Accuracy	Same as Source/Power & Measure
Voltage burden	≤2V at 20 mA
Overload/Current limit protection	24 mA nominal
Loop voltage limits	2 to 100 VDC (fuse-less protected from reverse polarity connections)
Battery life	≥125 hours nominal
Voltage Read
Range and Resolution	-99.99 to +99.99 VDC Full Span (FS)
Accuracy	≤ 0.05 % of FS
Temperature effect	≤ 100 ppm/°C of FS
Input resistance	2 MΩ
Battery life	> 125 hours nominal

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