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CD800a

Product catalog summary

Introduction
This document provides technical specifications and features of the CD800a Digital Multimeter, a portable device designed for measuring low-voltage circuits. It is suitable for use with small communication equipment, home appliances, and various types of batteries.

Specifications

Display: 4000 count, sharp contrast LCD with 17.5mm high characters.
Range Selection: Auto and manual ranges available.
Over Display: Displays "O.L" except for AC/DC 600V ranges.
Polarity: Automatic selection, only "-" is displayed.
Battery Low Warning: Indicator lights when battery power is below approximately 2.4V.
Sampling Rate: 2 times per second.
Operating Conditions: Temperature 5–40°C, Humidity 5–31°C, 80% RH (Max).
Storage Conditions: Temperature -10–50°C, below 70% RH, no condensation.
Environmental Condition: Altitude 2000m or below, pollution degree II.
Power Consumption: 7mW at DCV.
Continuous Use Time: Approximately 150 hours at DCV.
Bandwidth: 40–400Hz.
Fuse/Battery: 0.5A/250V 1.5kA φ5.2x20mm / R6P x 2.
Size/Mass: H176 x W104 x D46mm / 340g.
Standard Accessories: Hand strap, Instruction manual.

Measurement Functions

DC Voltage (DCV): Ranges from 400mV to 600V with best accuracy of ±(0.7%+3).
AC Voltage (ACV): Ranges from 4V to 600V with best accuracy of ±(1.6%+9).
DC Current (DCA): Ranges from 40mA to 400mA with best accuracy of ±(2.2%+5).
AC Current (ACA): Ranges from 40mA to 400mA with best accuracy of ±(2.8%+5).
Resistance: Ranges from 400Ω to 40MΩ with best accuracy of ±(1.5%+5).
Capacitance: Ranges from 50nF to 100μF with best accuracy of ±(5.0%+10).
Frequency: Ranges from 5Hz to 100kHz with best accuracy of ±(0.5%+3).
Duty Cycle: Ranges from 20% to 80% with best accuracy of ±(0.5%+5).
Continuity: Buzzer sounds between 10Ω and 120Ω, open voltage approx. 0.4V.
Diode Test: Open voltage approx. 1.5V.

Additional Features

Solid and protective body cover that can be used as a tilt stand.
Frequency, capacitance, and duty cycle measurement functions.

Catalog excerpts

DIGITAL MULTIMETER This instrument is portable multimeter designed for the measurement of low-voltage circuit. This is used at small communications equipments, home electric appliances, voltage of lump line, and measurement of various types of batteries. ●4000 count ●Sharp contrast LCD with character 17.5mm high is used ●Solid & protective body cover that can also be used as a tilt stand ●Frequency, capacitance, and duty cycle measurement function SPECIFICATIONS DCV ACV DCA ACA Resistance Capacitance Frequency Duty cycle Continuity Diode test Measuring method Display Range selection Over display Polarity Battery low warning Sampling rate Operating temperature / humidity Storage temperature / humidity Environmental condition Power consumption Continuous use time Bandwidth Fuse / Battery Size / Mass Standard accessories included Δ-Σ method 4000 count Auto and manual ranges "O.L" is displayed(except AC/DC 600V ranges) Automatic selection(only " - " is displayed) Battery() mark lights when the internal battery's power is below approx. 2.4V 2 times / sec 540℃ / 531℃, 80%RH(Max) -10℃50℃, below 70%RH No condensation Altitude 2000m or below, pollution degree II 7mW at DCV About 150 hours at DCV 40400Hz 0.5A/250V 1.5kA φ5.2x20mm / R6P x 2 H176 x W104 x D46mm / 340g Hand strap, Instruction manual Dempa Bldg, 4-4 Sotokanda 2-Chome, Chiyoda-Ku, Tokyo 101-0021 Japan Tel:+81-3-3251-0941 Fax:+81-3-3256-9740 A battery for monitoring has been installed prior to shipment from the factory. It may be discharged before the expiration of the described battery life. This battery is used to check the functions and performance of the product.Specifications and external appearance of the product described above may be revised for m

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