Extech CMM-17 Data Sheet
Specifications subject to change without notice.
Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
9/24/08 - R2
Precision DC, mA, Voltage, Frequency Calibrator
Combined with True RMS MultiMeter
Process Calibrator MultiMeter
™
Features:
• Simultaneous source/simulate and measure on
large dual display
• Precision 0.03% accurate voltage and
current calibration source
• Constant current output for loads up to 1200Ω
• Bipolar current (±25mA) and voltage (±1.5V, ±15V) outputs
• Simultaneously source 15V excitation voltage and
measure mA output of 2-wire transmitters
• % of scale readout for 4 to 20mA or 0 to 20mA
• Wide range Frequency (square wave) source with
adjustable amplitude, pulse width, and duty cycle
• Programmable 16 continuous or timed step outputs, or 999
step ramp
• Optional communications software allows you to remotely
operate the CMM-17 from your PC and document readings
DMM Features:
• Measure DCmA, ACmA, DCV, ACV, AC+DC, Temperature,
Frequency, Duty Cycle, Pulse Width, Resistance, Continuity,
and Diode
• 1μV or 1μA resolution and 0.03% basic DCV accuracy
(400mV-40V)
• 1ms Peak Hold for glitch capture, plus Data Hold, Auto Hold,
relative and dynamic recording
• True RMS measurement for non-linear voltage and current
loads
Common Features:
• Built-in bi-directional RS-232 interface
• Built-in NiMH rechargeable battery
• Large 50,000 count backlit LCD displays primary, secondary,
source/measure ranges and functions selected
• Separate input/output banana jacks with fused protection
• Auto power off with disable function
• Complete kit with input/output test leads, Type K temperature
probe, 8 NiMH rechargeable batteries, 100V-250V AC adaptor/recharger, and carrying case
Ordering Information:
CMM-17 ..............Process Calibrator MultiMeter
™
CMM-17-NIST ....CMM-17 with NIST Certificate
CMM-17-S ..........PC Software and RS-232 cable
Specifications
Source (Output) Ranges Max Res. Accuracy (% output + digits)
DC Voltage ±1.5 100μV
±15V 1mV ±(0.03% + 3)
DC Current ±25mA 1μA ±(0.03% + 5)
(Max load 1200Ω)
Square Wave 28 Frequencies 0.01Hz ±(0.005% + 1)
(0.5,1,2,5,10,15,20,25,30,40,50,60,75,80,100,120,150,200,240,300,400,
480,600,800,1200,1600,2400,4800 Hz)
Duty Cycle 0.39% to 99.60% 0.390625% ±(0.01% + 0.02%)
Pulse Width 1/frequency Range/256 ±(0.01% + 0.3ms)
Amplitude 5V, ±5V, 12V, ±12V 0.1V ±(2% + 0.2V)
Measure (Input) Ranges Max Res. Accuracy (% rdg + digits)
DC Voltage 50mV 1μV ±(0.05% + 50d)
500mV, 5V, 50V 10μV ±(0.03% + 5d)
250V 10mV
AC Voltage (45-20kHz) 50,500mV, 5,50,250V 1μV ±(1.5% + 20d) @50/60Hz
DC Current 50mA, 500mA 1μA ±(0.3% + 5d)
AC Current (45Hz-2kHz) 50mA, 500mA 1μA ±(0.6% + 20d)
AC + DC Voltage 50,500mV, 5,50,250V 1μV ±(0.8% + 25d) @50/60H
AC + DC Current 50mA, 500mA 1μA ±(1.2% + 10d)
1ms Peak Hold (Glitch capture) 50,500mV, 5,50,250V 1μV
±(2% + 400d)
50mA, 500mA 1μA
Resist ance 500,5k,50k,500k,5MV 0.01V ±(0.15% + 5d)
50MV 1kV ±(1% + 8d)
Temperature (Type K) -40°F to 2502°F 1/0.1°F ±(0.3% + 6°F)
-40°C to 1372°C 1/0.1°C ±(0.3% + 3°C)
Frequ ency 100Hz,1,10,100,200kHz 0.001Hz ±(0.02% + 3d)
Duty Cycle 0.1-99.9% ±(0.3% per kHz +0.3%)FS
Pulse Width 0.1-1999.9mS ±(0.2% + 3d)
Diode Check / Continuity 0.45mA @ <4.8V / Beeper < 10Ω on 400Ω range
Dimensions/Weight: 2.1 x 3.54 x 7.56"(54 x 90 x 192mm) / 3.75lbs 1.71kg)
V
V
V
V
V
V
V
mV
mA
mA
mA
mA
mA
mA
OFF
PROCESS CALIBRATOR MULTIMETER + RS232
MODE
SHIFT MAX/MIN °C/°F AUTO OUTPUT
Ω
250V
500mA
MAX
FUSED
DC
15V
25mA
MAX
FUSED
V•mA
•
V•mA•Ω
•
True RMS
CAT II 250V
CMM-17
Optional software records output and
input and generates calibration report
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