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Pace Scientific Thermocouple/mV Input Module

Pace Scientific Thermocouple/Millivolt Modules

Quick Overview

Mvt modules enable the XR440 and XR450 Data Loggers to accept a millivolt or thermocouple input on channel 3. The Mvt-20u, Mvt-100u, Mvt-107b and Mvt-500u are used solely for mV inputs but three modules (Mvt-11b, Mvt-22b, Mvt-50u) can be used for mV or thermocouple inputs (Type J, K, N, R, S, T, B, C, or E). A built-in precision thermistor on channel 1 provides ambient temperature readings and thermocouple cold junction compensation. An Mvt module configures the logger as follows: Ambient temperature on channel 1. Millivolt (or thermocouple) signal on channel 3. Channels 2 and 4 are 'Standard' channels and will accept Pace sensors, 0-5vDC or resistive signals.

View Options

Details

The MVT modules will conﬁgure the Pace Scientifiic Pocket Logger as follows:

Channel 1: Ambient Temperature.*
Channel 3: MilliVolt or Thermocouple Input.
Channels 2 and 4: ‘Standard’ channels, suitable for any Pace sensors, 0-5vDC or resistive inputs.

*A built-in, precision thermistor provides ambient temperature readings and cold junction compensation for thermocouple inputs.

Specifications

Operating Temperature:	-40 to 60°C (-40 to 140°F)
Module Size:	41mm wide x 19mm deep x 14mm high
Overall Size with XR440:	Adds 9mm to loggers overall length, no change to height and width
Thermistor Sensor:	±0.1°C interchangeability, 0-70°C
Input Type:	Single ended, (-) terminal is internally connected to dc ground
Input Impedance:	Greater than 10 M ohm

Note: The last letter of the model number ('u' or 'b') signifies unipolar or bipolar input.

Electrical Specifications

Model	Mvt-11b	Mvt-22b	Mvt-20u	Mvt-50u	Mvt-100u	Mvt-107b	Mvt-500u
Range	±11 mV	±22 mV	0-20 mV	0-50 mV	0-100 mV	±107 mV	0-500 mV
Resolution (12 bit)	12 µV	24 µV	5 µV	12 µV	24 µV	120 µV	120 µV
Offset Voltage	200 µV max.	200 µV max.	5 µV max.	5 µV max.	5 µV max.	200 µV max.	5 µV max.
Offset Voltage Drift	2 µV/ °C max.	2 µV/ °C max.	0.05 µV/ °C max.	0.05 µV/ °C max.	0.05 µV/ °C max.	2 µV/ °C max.	0.05 µV/ °C max.
Accepts Thermocouple	Yes	Yes	No	Yes	No	No	No
System Accuracy	0.8% of F.S.	0.8% of F.S.	0.4% of F.S.	0.4% of F.S.	0.4% of F.S.	0.8% of F.S.	0.4% of F.S.

Thermocouple Specifications for Mvt-11b, Mvt-22b, and Mvt-50u

Mvt-11b Thermocouple Specifications

Type	Min. Temperature	Max. Temperature	Approx. Resolution
J	-130°C (-202°F)	200°C (392°F)	0.2°C (0.4°F)
K	-250°C (-418°F)	270°C (518°F)	0.3°C (0.5°F)
N	-50°C (-58°F)	340°C (644°F)	0.3°C (0.5°F)
R	0°C (32°F)	1030°C (1886°F)	0.8°C (1.4°F)
S	0°C (32°F)	1120°C (2048°F)	1.0°C (1.8°F)
T	-200°C (-328°F)	230°C (446°F)	0.2°C (0.4°F)
B	0°C (32°F)	1570°C (2858°F)	1.0°C (1.8°F)
C	0°C (32°F)	620°C (1148°F)	0.6°C (1.1°F)
E	-100°C (-148°F)	160°C (320°F)	0.15°C (0.3°F)

Mvt-22b Thermocouple Specifications

Type	Min. Temperature	Max. Temperature	Approx. Resolution
J	-130°C (-202°F)	400°C (752°F)	0.4°C (0.7°F)
K	-250°C (-418°F)	530°C (986°F)	0.6°C (1.1°F)
N	-50°C (-58°F)	630°C (1166°F)	0.6°C (1.1°F)
R	0°C (32°F)	1760°C (3200°F)	1.6°C (2.9°F)
S	0°C (32°F)	1760°C (3200°F)	2.0°C (3.6°F)
T	-200°C (-328°F)	400°C (752°F)	0.4°C (0.7°F)
B	0°C (32°F)	1820°C (3308°F)	2.0°C (3.6°F)
C	0°C (32°F)	1210°C (2210°F)	1.2°C (2.2°F)
E	-100°C (-148°F)	310°C (590°F)	0.3°C (0.5°F)

Mvt-50u Thermocouple Specifications

Type	Min Temp	Max Temp	Approx. Resolution
J	Ambient*	760°C (1400°F)	0.2°C (0.4°F)
K	Ambient*	1220°C (2228°F)	0.3°C (0.5°F)
N	Ambient*	1300°C (2372°F)	0.3°C (0.5°F)
R	Ambient*	1760°C (3200°F)	0.8°C (1.4°F)
S	Ambient*	1760°C (3200°F)	1.0°C (1.8°F)
T	Ambient*	350°C (662°F)	0.2°C (0.4°F)
B	Ambient*	1820°C (3308°F)	1.0°C (1.8°F)
C	Ambient*	2320°C (4208°F)	0.6°C (1.1°F)
E	Ambient*	660°C (1220°F)	0.15°C (0.3°F)
J 'low'	-130°C (-202°F)	Ambient*	0.2°C (0.4°F)
K 'low'	-250°C (-418°F)	Ambient*	0.3°C (0.5°F)
N 'low'	-50°C (-58°F)	Ambient*	0.3°C (0.5°F)
T 'low'	-200°C (-328°F)	Ambient*	0.2°C (0.4°F)
E 'low'	-100°C (-148°F)	Ambient*	0.15°C (0.3°F)

*Ambient temperature of Mvt-50u

Mvt-50u Thermocouple Limitation

The Mvt-50u must be set (in Pocket Logger Software) to read either high or low temperatures. When set for high temperatures, the low temperature limit is the ambient temperature of the Mvt Module. When set for low temperatures, the high temperature limit is the ambient temperature of the Mvt Module. The Mvt-11b and Mvt-22b do not have this limitation.

Availability: Stock Item

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF	DESCRIPTION	PRICE	ORDER ITEM

XR440 Thermocouple/Millivolt Input Modules
MVT-11B	MVT11B Thermocouple / Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV or Thermocouple Inputs, mV Range: ±11mV with a 12µV resolution. Thermocouple Input suitable for Type J, K, N, R, S, T, B, C, E Thermocouples. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote
MVT-22B	MVT22B Thermocouple / Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV or Thermocouple Inputs, mV Range: ±22mV with a 24µV resolution. Thermocouple Input suitable for Type J, K, N, R, S, T, B, C, E Thermocouples. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote
MVT-50U	MVT50U Thermocouple / Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV or Thermocouple Inputs, mV Range: 0-50mV with a 12µV resolution. Thermocouple Input suitable for Type J, K, N, R, S, T, B, C, E Thermocouples. Thermocouple input will read either high or low temperatures relative to ambient temperature reading. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote

XR440 Millivolt Input Modules
MVT-20U	MVT20U Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV Inputs, mV Range: 0-20mV with a 5µV resolution. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote
MVT-100U	MVT100U Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV Inputs, mV Range: 0-100mV with a 24µV resolution. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote
MVT-107B	MVT107B Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV Inputs, mV Range: ±107mV with a 120µV resolution. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote
MVT-500U	MVT500U Millivolt Input Module for the XR440 Pocket Logger. MVT Module converts the 4 input channels as follows: Channel 1: Precision thermistor for ambient temperature or CJC readings; Channels 2 & 4: Standard Inputs (0-5vDC, Pace Sensors or resistive inputs); Channel 3: mV Inputs, mV Range: 0-500mV with a 120µV resolution. Module adds 9mm to overall length of an XR440.	£132.28	or call us for a quote