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Tenma 72-6694 Manual page 3

Current calibrator

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FUNCTIONS
Portable four function instrument for calibrating process devices.
Adjustable current source 0-24mA.
Drives loads of up to 500Ω
Large LCD display.
Range
0-19.99mA
1-24mA
Output 0-20 mA current for loads up to 500 ohms.
Output > 20 mA current for loads up to 400 ohms.
* FS = full scale
Note: The above specification are tested under the environment RF Field Strength less
than 3 V/M & frequency less than the 30 MHz only.
OPERATION
Power on the instrument by sliding the power switch to the ON position.
Connect the interface cable to the input socket and the clips to the device to be
calibrated.
The red clip is the positive current output, the black clip is ground.
Slide the range switch to either the 0-19.99mA display resolution or 1-24.0mA
position as required.
Adjust the calibration control to adjust the current output to match the display value.
SPECIFICATIONS
Display
Function
Sampling Time
Operating Temperature
Operating Humidity
Power Supply
Dimension
Weight
Electrical Specification (at 23
Display Resolution
0.01mA
0.1mA
LCD display, maximum display counts 1999.
13mm (0.5") digit size
mA Current source, 2 ranges. 0 - 19.99mA × 0.01mA
and 0 - 24mA × 0.1 mA
Approx. 0.4 second
0°C to 50°C (32°C to 122°C)
Less than 80% RH
006P DC 9V, MN1604/PP3 battery or equivalent Alkaline
type or heavy duty type
185mm × 78mm × 38mm (7.3" × 3" × 1.5")
265g/0.58lb (including battery)
o
±5
o
C)
3
Accuracy
±(0.25% FS+1d)
±(0.25% FS+1d)

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