I. Basic characteristics of the product

• Analog output characteristics

• Basic functions

DC voltage DCV, DC current DCI

• The maximum output accuracy is 0.05% and the output display is 5 digits.
• Output settings can be manually increased or decreased by position.
• DCI output includes active output (internal 24V power supply), and passive output (external 24V power supply).
• mA is equipped with the percentage display mode.
• Upon DCI output, manual stepping and automatic waveform output functions may be available.

Manual step output includes: 25% stepping and 100% stepping.

Output current 0-20mA or 4~20mA is optional.

Automatic waveform output includes: automatic stepping, sawtooth wave and triangular wave and the automatic waveform operation parameters can be configured.

• Internal 24V loop power is provided.
• Maintenance setup function, including:

Auto power-off, backlight, flashlight

• Others

• The segment code is displayed on an LCD with a white backlight.
• It has a LED flashlight for lighting.
• It is powered by 3 AA battery cells. The battery compartment door is convenient for battery replacement. Low-battery detection is available.
• It is small, firm, reliable, suitable for field use, and cheap.
• User-optional large-suction magnetic sling is provided.

II. Basic function and performance of the product (technical index)

Analog output function [Used within one year after calibration, 23 ℃± 5 ℃, 20-70% RH, accuracy=± (% set value+% reading)]

Other characteristics:

• Uncertainty includes standard uncertainty, hysteresis, nonlinearity, repeatability, and typical long-term stability over the period mentioned (K = 2).
• Maximum applied voltage at input end: about 30Vpk; Maximum applied current at input end: about 25mA
• Load characteristics: capacitive load ≥0.01uF (DCV/OHM/TC/RTD/FREQ); Inductive load ≥ 0.01uF 100uH (DCA)

Output load affects DCmV (0.001% full scale + 1nV)/mA; DCV (0.001% full scale + 1nV)/mA

• The temperature range of internal temperature compensated sensor RJC is -10 to 50C. The temperature measurement accuracy at 18 to 28C is ±0.5C, and the temperature measurement accuracy at other temperature is ±1C. Cold end compensation time is 10S/ times.
• Temperature coefficient: 0.1 × basic accuracy/℃ (temperature range < 18℃ or > 28℃)

• Coefficient: 0.1 × basic accuracy/℃ (temperature range: <18℃ or >28℃)