MEWOI24,25 High accuracy Portable Handheld Process Pressure Calibrator

OEM/ODM Testing Instruments Manufacturer

General Specification

Project                            Model
  Performance
parameters
MEWOI 24MEWOI 25
SourceDC millivoltRange-10 ~ 110mV-10 ~ 110mV
Accuracy= 
±(% of the set value+% of range)
0.02%+0.01%0.02%+0.01%
Resolution1uV1uV
DC voltageRange-0.1 ~ 11V-0.1 ~ 11V
Accuracy= 
±(% of the set value+% of range)
0.02%+0.01%0.02%+0.01%
Resolution10uV/0.1mV10uV/0.1mV
DC currentRange0 ~ 22mA0 ~ 22mA
Accuracy= 
±(% of the set value+% of range)
0.02%+0.02%0.02%+0.02%
Resolution1uA1uA
Sink currentRange0 ~ 22mA0 ~ 22mA
Accuracy= 
±(% of the set value+% of range)
0.02%+0.02%0.02%+0.02%
Resolution1uA1uA
External power
supply
5 ~ 28V5 ~ 28V
ResistanceRange0 ~40KΩ0 ~40KΩ
Accuracy= 
±(% of the set value+% of range)
0.02%+0.02%0.02%+0.02%
Resolution0.01Ω/0.1Ω/1Ω0.01Ω/0.1Ω/1Ω
ThermocoupleRangeR/S/K/E/J/T/B/NR/S/K/E/J/T/B/N
Accuracy0.4℃0.4℃
Resolution0.1℃/1℃0.1℃/1℃
RTDRangePt100/Pt200/Pt500/
Pt1000/Cu10/Cu50
Pt100/Pt200/Pt500/
Pt1000/Cu10/Cu50
Accuracy0.2℃0.2℃
Resolution0.1℃0.1℃
FrequencyRange1Hz ~110KHz1Hz ~110KHz
Accuracy±2words±2words
Resolution0.01Hz/1Hz/0.1KHz/2KHz0.01Hz/1Hz/0.1KHz/2KHz
PulseFrequencyN/A1Hz ~10KHz
Range1 ~100000cyc
Accuracy±2words
Resolution1cyc
SwitchRangeN/A1Hz ~110KHz
Accuracy±2words
Resolution0.01Hz/1Hz/0.1KHz/2KHz
PressureRangeN/ADepends on the pressure module
Accuracy= 
±(% of the set value+% of range)

Depends on the pressure module
Resolution5 digit display
MeasureDC millivoltRange-5 ~ 550mV-5 ~ 550mV
Accuracy=
±( % of Reading+ % of Range)
0.02%+0.01%0.02%+0.01%
Resolution1uV/10uV1uV/10uV
DC voltageRange-0.5 ~ 55V-0.5 ~ 55V
Accuracy=
±( % of Reading+ % of Range)
0.02%+0.01%0.02%+0.01%
Resolution0.1mV/1mV0.1mV/1mV
DC currentRange-5 ~ 55mA-5 ~ 55mA
Accuracy=
±( % of Reading+ % of Range)
0.02%+0.01%0.02%+0.01%
Resolution1uA1uA
ResistanceRange0 ~5.5KΩ0 ~5.5KΩ
Accuracy=
±( % of Reading+ % of Range)
0.05%+0.02%0.05%+0.02%
Resolution0.01Ω/0.1Ω0.01Ω/0.1Ω
ThermocoupleRangeR/S/K/E/J/T/B/NR/S/K/E/J/T/B/N
Accuracy0.7℃0.7℃
Resolution0.1℃/1℃0.1℃/1℃
RTDRangePt100/Pt200/Pt500/
Pt1000/Cu10/Cu50
Pt100/Pt200/Pt500/
Pt1000/Cu10/Cu50
Accuracy0.3℃0.3℃
Resolution0.1℃0.1℃
FrequencyRange3 Hz~50KHz3 Hz~50KHz
Accuracy±2words±2words
Resolution0.01Hz/0.1Hz/1Hz0.01Hz/0.1Hz/1Hz
SwitchRangeN/ACLOSE/OPEN
Threshold200 ~300Ω
PressureRangeN/ADepends on the pressure module
Accuracy=
±( % of Reading+ % of Range)
Depends on the pressure module
Resolution5 digit display
Continuity beeperRange0 ~500Ω0 ~500Ω
Accuracy≤50Ωsound≤50Ωsound
Resolution0.01Ω0.01Ω
Loop power supply
Range24V24V
Accuracy±10%±10%
The maximum current22mA22mA
Other functions

Backlight
Auto Power-off
Charging function
Room temperature display
Battery detection
The ramp signal
Communication functionRS232 serial communication, can realize remote control instrument by the device driver software.
RS232 serial communication, can realize remote control instrument by the device driver software.
Characteristic
SafetyEN61010-1:2001EN61010-1:2001
Withstand voltage The input and output AC350V/1 minutes The input and output AC350V/1 minutes
InsulationThe input and output DC500V /50MΩ.The input and output DC500V /50MΩ.
EMCEN61326-1:2006EN61326-1:2006
AuthenticationCECE
DisplayDouble display on the LCD screenDouble display on the LCD screen
Power supply4×1.5V  AAA   Alkaline battery4×1.5V  AAA   Alkaline battery
Size205 × 95 × 42 mm205 × 95 × 42 mm
WeightAbout 500gAbout 500g
Standard Quantity Per Carton10pcs10pcs
Standard Carton Measurement395mm*385mm*260mm395mm*385mm*260mm
Standard Carton Cross Weight12.4Kg12.4Kg


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