Advanced Multifunction Temperature and Signal Calibrator – Enviro Testers

Overview

Enviro Testers Advanced Multifunction Temperature and Signal Calibrator is a portable field calibrator powered by a large-capacity high-performance polymer rechargeable battery. It can be connected to an external pressure module. It is easy to operate, powerful, stable, and highly accurate. It is very cost-effective. High thermal comprehensive calibration instrument.

 

Features

• It can output V, mV, mA, Ω, and also can simulate thermocouple or thermal resistance signals;
• It can measure V, mV, mA, Ω, pressure, and calibrating pressure switch, and also can use a thermocouple or thermal resistance signals to measure temperature;
• Measurement and output can be carried out at the same time, and mutually separated;
• It provides 24V DC power, and separates from measurement and output;
• High-definition display screen, favorable human-machine interface, full-Chinese operation interface;
• It supports step output, and can automatically program commonly-used step signals and step intervals, and it supports two modes of automatic steps and manual steps;
• It adopts a Pt100 temperature measurement probe for cold-end temperature compensation, and supports two modes of ambient temperature tracking and constant temperature setting, which will facilitate use;
• With multi-function and programmable unit conversion function, it can converse V, mA output or measurement signals into other units such as °C, °F, %, kPa, MPa, psi, mmHg, mmH₂O, m³/s, m³/min, m³/h, L/s, L/h, L/min, m, ?;
• When outputting mA signals, it supports two modes of mA source and simulation transmitter;
• When outputting and measuring thermocouple °C signal, it displays corresponding mV value;
• When outputting and measuring thermal resistance °C signal, it displays corresponding Ω value;
• When outputting and measuring Ω signal, it supports two-, three-, and four-line modes;
• It provides 24V DC loop source, and measures mA signals in the loop;
• It can conduct signal fine-tuning at any digit of output value;
• When measuring values, it can lock or unlock measurement values;
• When measuring values, it can collect minimum and maximum values, and calculate mean value.

 

Technical Specifications

Display	3.7-inch high-definition black-white screen
Output and Measurement	φ4.0mm gold-plated jack
24V DC	7-core aviation plug
Pressure Communication	7-core aviation plug
Cold-End Temperature Compensation	6-core aviation plug
Switch Detection	6-core aviation plug
PC Communication	5-core aviation plug/RS232-DB9 socket
RS232 Parameters	Baud rate 9600; data length of 8 bits; stop bit of 1 bit
HART Communication	5-core aviation plug
Charging Jack	φ2.1mm charging socket
Real-Time Clock	Layout of [YYMMDD], year setting range is 2000 ~ 2099, and 24-hour time system is adopted.
Dimension (LxWxH)	4.3 in x 8.07 in x 2.04 in (11 cm  × 20.5 cm  × 5.2 cm)
Weight	31.74 oz (About 900 g)

 

• Output Technical Indicators (One Year, Ambient Temperature: 20 ± 5°C)

Output Range	0.01-Grade Max. Error Allowed	0.02-Grade Max. Error Allowed	0.05-Grade Max. Error Allowed	Definition
10.99999V	± (0.008% reading + 0.0001V)	± (0.015% reading + 0.0001V)	± (0.035% reading + 0.0001V)	10μV
★ 1.099999V	± (0.008% reading + 0.0001V)	± (0.015% reading + 0.0001V)	± (0.035% reading + 0.0001V)	1μV
-99.9999mV to 109.9999mV	± (0.008% reading + 0.003mV)	± (0.015% reading + 0.003mV)	± (0.035% reading + 0.003mV)	0.1μV
10 Types of Thermocouple °C	See “TC Thermocouple Technical Indicators”			0.1°C
★ 30.0999mA	± (0.01% reading + 1μA)	± (0.015% reading + 1μA)	± (0.035% reading + 1μA)	0.1μA
4000.00Ω	± (0.008% reading + 0.04Ω)	± (0.015% reading + 0.04Ω)	± (0.035% reading + 0.04Ω)	10mΩ
★ 400.000Ω	± (0.008% reading + 0.005Ω)	± (0.015% reading + 0.005Ω)	± (0.035% reading + 0.005Ω)	1mΩ
6 Types of Thermal Resistance °C	See “RTD Thermal Resistance Technical Indicators”			0.01°C
24V DC Loop Power	± 5%	± 5%	± 5%
V max. output current: 10mA; 20mA output loading capacity ≤ 1kΩ; 5000Hz loading capacity ≥ 10kΩ; 24V DC loop power max. output current: 80mA Resistance, thermal resistance external current working range: 400Ω: (0.5 ~ 7.5)mA; 4000Ω: (0.05 ~ 0.75)mA

 

• Measurement Technical Indicators (One Year, Ambient Temperature: 20 ± 5°C)

 

Measurement Range	0.01-Grade Max. Error Allowed	0.02-Grade Max. Error Allowed	0.05-Grade Max. Error Allowed	Definition
± 59.9999V	± (0.008% reading + 0.0005V)	± (0.015% reading + 0.0005V)	± (0.035% reading + 0.0005V)	0.1mV
★ ± 5.99999V	± (0.008% reading + 0.00005V)	± (0.015% reading + 0.00005V)	± (0.035% reading + 0.00005V)	0.01mV
± 599.999mV	± (0.008% reading + 0.005mV)	± (0.015% reading + 0.005mV)	± (0.035% reading + 0.005mV)	1μV
± 119.999mV	± (0.008% reading + 0.003mV)	± (0.015% reading + 0.003mV)	± (0.035% reading + 0.003mV)	1μV
10 Types of Thermocouple °C	See “TC Thermocouple Technical Indicators”			0.1°C
★ ± 119.999mA	± (0.01% reading + 1μA)	± (0.015% reading + 1μA)	± (0.035% reading + 1μA)	1μA
★ ± 23.9999mA	± (0.01% reading + 1μA)	± (0.015% reading + 1μA)	± (0.035% reading + 1μA)	0.1μA
5999.99Ω	± (0.008% reading + 0.05Ω)	± (0.015% reading + 0.05Ω)	± (0.035% reading + 0.05Ω)	10mΩ
★ 599.999Ω	± (0.008% reading + 0.005Ω)	± (0.015% reading + 0.005Ω)	± (0.035% reading + 0.005Ω)	1mΩ
6 Types of Thermal Resistance °C	See “RTD Thermal Resistance Technical Indicators”			0.1°C
50V Measurement Input Resistance: ≥ 1MΩ; 5V Measurement Input Resistance: ≥ 500MΩ; Current Measurement Input Resistance: ≤ 10Ω; Resistance, Thermal Resistance Measurement Current: 500Ω/1mA; 5000Ω/0.5mA; Preheating Time: 30 minutes; Working Temperature: -10 ~ +50°C; Relative Humidity: 0 ~ 90% RH; Storage Temperature: -20 ~ +60°C; Temperature Coefficient: ± (0.0002 reading + 0.0002% range) / °C (< 15°C or > 25°C)

 

• TC Thermocouple Technical Indicators (One Year, Ambient Temperature: 20 ± 5°C)

 

Thermocouple Graduation	Temperature Range (°C)	Max. Error Allowed (Simulation Output and Measurement)
		0.01 Grade	0.02 Grade	0.05 Grade
S	(-20 ~ 200)	± 0.9°C	± 0.9°C	± 0.9°C
	(200 ~ 700)	± 0.5°C	± 0.5°C	± 0.6°C
	(700 ~ 1500)	± 0.5°C	± 0.5°C	± 0.8°C
	(1500 ~ 1768)	± 0.5°C	± 0.6°C	± 1.0°C
R	(-20 ~ 100)	± 0.9°C	± 0.9°C	± 0.9°C
	(100 ~ 600)	± 0.6°C	± 0.6°C	± 0.6°C
	(600 ~ 1600)	± 0.4°C	± 0.5°C	± 0.7°C
	(1600 ~ 1768)	± 0.5°C	± 0.6°C	± 1.0°C
J	(-200 ~ 100)	± 0.3°C	± 0.3°C	± 0.4°C
	(-100 ~ 300)	± 0.2°C	± 0.2°C	± 0.3°C
	(300 ~ 900)	± 0.2°C	± 0.2°C	± 0.4°C
	(900 ~ 1200)	± 0.2°C	± 0.3°C	± 0.5°C
K	(-250 ~ -150)	± 1.0°C	± 1.1°C	± 1.3°C
	(-150 ~ 1000)	± 0.2°C	± 0.2°C	± 0.4°C
	(1000 ~ 1372)	± 0.3°C	± 0.4°C	± 0.7°C
T	(-250 ~ -200)	± 0.8°C	± 0.9°C	± 1.0°C
	(-200 ~ 0)	± 0.3°C	± 0.4°C	± 0.4°C
	(0 ~ 400)	± 0.2°C	± 0.2°C	± 0.2°C

 

Thermocouple Graduation	Temperature Range (°C)	Max. Error Allowed (Simulation Output and Measurement)	0.01 Grade	0.02 Grade	0.05 Grade
N	(-200 ~ -100)	±0.5°C	±0.5°C	±0.6°C
	(-100 ~ 600)	±0.3°C	±0.3°C	±0.3°C
	(600 ~ 1300)	±0.3°C	±0.4°C	±0.6°C
E	(-250 ~ -200)	±0.5°C	±0.5°C	±0.8°C
	(-200 ~ 700)	±0.3°C	±0.3°C	±0.5°C
	(700 ~ 1000)	±0.2°C	±0.3°C	±0.6°C
B	(600 ~ 800)	±0.8°C	±0.8°C	±1.2°C
	(800 ~ 1100)	±0.5°C	±0.8°C	±1.1°C
	(1100 ~ 1820)	±0.5°C	±0.6°C	±0.9°C
WRe3-25	(0 ~ 1800)	±0.5°C	±0.8°C	±1.1°C
	(1800 ~ 2200)	±0.7°C	±1.0°C	±1.5°C
	(2200 ~ 2315)	±0.8°C	±1.2°C	±1.7°C
WRe5-26	(0 ~ 1000)	±0.5°C	±0.7°C	±1.0°C
	(1000 ~ 1800)	±0.7°C	±0.9°C	±1.3°C
	(1800 ~ 2315)	±0.8°C	±1.1°C	±1.9°C

Notes

• Meet 90 international temperature standard, determined by max. error allowed for mV output and measurement.
• Exclude sensor and compensating wire error.
• With precision for external cold joint, add 0.2°C for internal joint.
• Max. error allowed for Pt100 temperature measurement probe: ±0.2°C.