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9140 Series
Field Metrology Wells

  • Lightweight, portable, and fast.
  • Cool to –25°C in 15 minutes and heat to 660°C in 15 minutes
  • Built-in two-channel readout for PRT, RTD, thermocouple, 4-20 mA current
  • True reference thermometry with accuracy to ±0.01°C
  • On-board automation and documentation
  • Metrology performance in accuracy, stability, uniformity, and loading

The new 9140 Series Field Metrology Wells extend high performance to the industrial process environment by maximizing portability, speed, and functionality with little compromise to metrology performance.

Field Metrology Wells are packed with functionality and are remarkably easy to use. They are lightweight, small, and quick to reach temperature set points, yet they are stable, uniform, and accurate. These industrial temperature loop calibrators are perfect for performing transmitter loop calibrations, comparison calibrations, or simple checks of thermocouple sensors.

With the process option, there is no need to carry additional tools into the field. This optional built-in two-channel readout reads resistance, voltage, and 4–20 mA current with 24 volt loop power. It also has on-board documentation. Combined, the three models (9142, 9143, and 9144—each with a “process” option) cover the wide range of –25°C to 660°C.


Base Unit Specifications:

9142

9143

9144

Temperature Range (at 23°C ambient)

–13 to 302°F
–25 to 150°C

91 to 662°F
33 to 350°C

122 to 1220°F
50 to 660°C

Display Accuracy 

±0.2°C Full Range

±0.2°C Full Range

±0.35°C at 50°C
±0.35°C at 420°C
±0.5°C at 660°C

Stability

±0.01°C Full Range

±0.02°C at 33°C
±0.02°C at 200°C
±0.03°C at 350°C

±0.03°C at 50°C
±0.05°C at 420°C
±0.05°C at 660°C

Axial Uniformity at 40 mm (1.6 in)

±0.05°C Full Range

±0.04°C at 33°C
±0.1°C at 200°C
±0.2°C at 350°C

±0.05°C at 50°C
±0.35°C at 420°C
±0.5°C at 660°C

Radial Uniformity

±0.01°C Full Range

±0.01°C at 33°C
±0.015°C at 200°C
±0.02°C at 350°C

±0.02°C at 50°C
±0.05°C at 420°C
±0.10°C at 660°C

Loading Effect (with a 6.35 mm reference probe and three 6.35 mm probes)

±0.006°C Full Range

±0.015°C Full Range

±0.015°C at 50°C
±0.025°C at 420°C
±0.035°C at 660°C

Hysteresis

0.025°C

0.03°C

0.1°C

Operating Conditions

0 to 50°C, 0% to 90% RH (non-condensing)

Environmental Conditions (for all specifications except temperature range)

55 to 91ºF
13 to 33°C

Immersion (Well) Depth

5.9 in. / 150mm

Insert OD

1.18in / 30mm

1.00in / 25.3mm

0.96in / 24.4mm

Heating Time

16 min: 23 to 140°C
23 min: 23 to 150°C
25 min: –25 to 150°C

5 min: 33 to 350°C

15 min: 50 to 660°C

Cooling Time

15 min: 23 to –25°C
25 min: 150 to –23°C

32 min: 350 to 33°C
14 min: 350 to 100°C

35 min: 660 to 50°C
25 min: 660 to 100°C

Resolution

0.01 °

Display

LCD, °C or °F user-selectable

Size (H x W x D)

11.4 (H) x 7.3 (W) x 11.6 (D) in. / 290 (H) x 185 (W) x 295 (D) mm

Weight

18 lb / 8.16 kg

16 lb / 7.3 kg 

17 lb / 7.7 kg 

Power Requirements

100 V to 115 V (±10%) 50/60 Hz, 635 W
230 V (±10%) 50/60 Hz, 575 W

100 V to 115 V (±10%), 50/60 Hz, 1400 W
230 V (±10%), 50/60 Hz, 1800 W

Computer Interface

RS-232 and 9930 Interface-it control software included


-P Specifications:

Built-in Reference Thermometer Readout Accuracy (4-Wire Reference Probe)†

±0.013°C at -25°C
±0.015°C at 0°C
±0.020°C at 50°C
±0.025°C at 150°C
±0.030°C at 200°C
±0.040°C at 350°C
±0.050°C at 420°C
±0.070°C at 660°C

Reference Resistance Range

0 ohms to 400 ohms

Reference Resistance Accuracy‡

0 ohms to 42 ohms: ±0.0025 ohms
42 ohms to 400 ohms: ±60 ppm of reading

Reference Characterizations

ITS-90, CVD, IEC-751, Resistance

Reference Measurement Capability

4-wire

Reference Probe Connection

6-pin Din with Infocon Technology

Built-in RTD Thermometer Readout Accuracy

NI-120: ±0.015°C at 0°C
PT-100 (385): ±0.02°C at 0°C
PT-100 (3926): ±0.02°C at 0°C
PT-100 (JIS): ±0.02°C at 0°C

RTD Resistance Range

0 ohms to 400 ohms

RTD Resistance Accuracy‡

0 ohms to 25 ohms: ±0.002 ohms
25 ohms to 400 ohms: ±80 ppm of reading

RTD Characterizations

PT-100 (385),(JIS),(3926), NI-120, Resistance

RTD Measurement Capability

4-wire RTD
(2-,3-wire RTD w\ Jumpers only)

RTD Connection

4 terminal input

Built-in TC Thermometer Readout Accuracy

Type J: ±0.7°C at 660°C
Type K: ±0.8°C at 660°C
Type T: ±0.8°C at 400°C
Type E: ±0.7°C at 660°C
Type R: ±1.4°C at 660°C
Type S: ±1.5°C at 660°C
Type M: ±0.6°C at 660°C
Type L: ±0.7°C at 660°C
Type U: ±0.75°C at 600°C
Type N: ±0.9°C at 660°C
Type C: ±1.1°C at 660°C

TC Millivolt Range

–10 mV to 75 mV

Voltage Accuracy

0.025% of reading + 0.01 mV

Internal Cold Junction Compensation Accuracy

± 0.35°C (ambient of 13 to 33°C)

TC Connection

Small connectors

Built-in mA Readout Accuracy

0.02% of reading + 0.002 mA

mA Range

Cal 4-22 mA, Spec 4-24 mA

mA Connection

2 terminal input

Loop Power Function

24 V dc loop power

Built-in Electronics Temperature Coefficient (0 to 13°C, 33 to 50°C)

±0.005 % of range per °C

† The temperature range may be limited by the reference probe connected to the readout. The Built-In Reference Thermometer Readout Accuracy does not include the sensor probe accuracy. It does not include the probe uncertainty or probe characterization errors.

‡ Measurement accuracy specifications apply within the operating range and assume 4-wires for PRTs. With 3-wire RTDs add 0.05 ohms to the measurement accuracy plus the maximum possible difference between the resistances of the lead wires.


To Order:
9142
9142-X* Field Metrology Well 9142 and one insert,
-25 to 150ºC
9142-X*-P Field Metrology Well 9142 and one insert,
-25 to 150ºC, with Process Electronics
9143
9143-X* Field Metrology Well 9143 and one insert,
33 to 350ºC
9143-X*-P Field Metrology Well 9142 and one insert,
33 to 350ºC, with Process Electronics
9144
9144-X* Field Metrology Well 9144 and one insert,
50 to 660ºC,
9144-X*-P Field Metrology Well 9144 and one insert,
50 to 660ºC, with Process Electronics
Options
9142-INSX* Optional Inserts for 9142.
9143-INSX* Optional Inserts for 9143.
9144-INSX* Optional Inserts for 9144.
To order more than one insert for a particular model, return to this page after adding the first one.
9142-CASE Rugged Carrying Case - Photo
*The X designation in the model number represents your choice of insert A, B, C, D, E, or F.


Download the
complete data sheet

in Acrobat (.pdf) format.
Datasheet
Right click and
“Save As...“


The 9140 series display panel.


Choose any of
six standard inserts.