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Kusam Meco-Hand Held Digital MultimeterKM 857
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Kusam Meco-Hand Held Digital MultimeterKM 857
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DISPLAY
:
 4-4/5 digits 50,000 counts. Selectable stable mode 5-4/5 digits 500,000 counts for DC Voltage, & 6 digits 999,999 counts for Hz.
POLARITY
:
 Automatic
UPDATE RATE
:
 4-4/5digits fast mode : 5 per second nominal;
5-4/5 digits stable mode : 1.25 per second nominal; 42 Segments Bar Graph : 60 per second max
LOW BATTERY
:
 Below approx. 7V
OPERATING TEMPERATURE
:
 0oC to 45oC
RELATIVE HUMIDITY
:
 Maximum relative humidity 80% for temperature upto 30°C decreasing linearly to 50% relative humidity at 45°C
POLLUTION DEGREE
:
 2
STORAGE TEMPERATURE
:
 -20°C to 60°C, 80% R.H. (With battery removed)
ALTITUDE
:
 Operating below 2000m
TEMPERATURE COEFFICIENT
:
 Nominal 0.1 x (specified accuracy) / oC @
(0oC -- 18oC or 28oC -- 40oC), or otherwise specified.
SENSING
:
 AC, AC+DC True RMS
POWER SUPPLY
:
 Single alkaline 9V battery.
POWER   CONSUMPTION
:
 5mA typical
APO TIMING
:
 Idle for 4.5 minutes
APO CONSUMPTION
:
 20µA
DIMENSION
:
 186(L) mm x 87(W) mm x 35.5(H) mm;
198(L) mm x 97(W) mm x 55(H) mm with Holster
WEIGHT
:
 390 gm, 500 gm with Holster
SPECIAL FEATURES
:
Record MAX, MIN, MAX-MIN reading. Crest (Instantaneous Peak hold) MAX, MIN, MAX-MIN reading.
Relative zero mode. 500,000 counts high resolution stable reading mode. Backlighted display dBm readings. %4-20mA loop current readings. High noise rejection filtered Line Level Frequency mode. Data Hold. Audible & Visible input warning.
STANDARD ACCESSORIES
:
Test leads (pair), holster, battery installed, user’s manual, carrying case.
OPTIONAL ACCESSORIES
:
PC interface Kit (RS232 optical adapter cable + RS232 Software floppies)

The meter is protected, against the users, by double insulation per EN61010-1 and
IEC61010-1 2nd Edition (2001) to CAT III 1000V & CAT IV 600V. The meter also meets UL3111-1
(1994) * and CSA C22.2 No. 1010-1-92* to CAT III 1000V.

  • Category IV safety standard was first released in IEC61010-1 2nd Edition in year 2001, and was yet an UL published standard at the time this catalog was written.

E.M.C. : Meets EN61326(1997, 1998/A1), EN61000-4-2(1995) and EN61000-4-3(1996)

OVERLOAD PROTECTIONS :
µA & mA: 0.63A/500V, IR 100kA, F fuse
A :12.5A/500V, IR 10kA, F fuse
V : 1050 Vrms, 1450 V peak
mV, Ω & Others : 600 VDC/VAC rms.

TRANSIENT PROTECTION : 8kV lightning surge (1.2/50µs)

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Last Updated: Monday, 21 May 2012 01:37