Fluke 9190A Ultra-Cool Field Metrology Well

Manufacturer: Fluke Calibration
Model: 9190A

Features

Wide temperature range: –95 °C to 140 °C.
Excellent accuracy
Accuracy using built-in reference thermometer readout: ± 0.05 °C full range.
Display accuracy: ± 0.2 °C full range.
Best-in-class stability: ± 0.015 °C full range

9190A

Specifications

Specification	Details
Temperature range at 23°C	–95°C to 140°C (–139°F to 284°F)
Display accuracy	±0.2°C full range
Accuracy with external reference³	±0.05°C full range
Stability	±0.015°C full range
Axial uniformity at 40 mm (1.6 in)	±0.05°C full range
Radial gradient	±0.01°C full range
Loading effect	(with a 6.35 mm reference probe and three 6.35 mm probes)
	±0.006°C full range
	(versus display with one 6.35 mm probe)
	±0.25°C at –95°C
	±0.10°C at 140°C
Operating conditions	0°C to 35°C, 0% to 90% RH (non-condensing)
Operating conditions	RH (non-condensing) < 2000 m altitude
Environmental conditions for all specifications except temperature range	13°C to 33°C
Immersion (well) depth	160 mm (6.3 in)
Well diameter	30 mm (1.18 in)
Heating time¹	–95°C to 140°C: 40 min
Cooling time¹	23°C to –90°C: 80 min
	23°C to –95°C: 90 min
	140°C to 23°C: 60 min
Stabilization time²	15 min
Resolution	0.01°
Display	LCD, °C or °F user-selectable
Size (H x W x D)	480 x 205 x 380 mm (18.8 x 8.0 x 14.9 in)
Weight	16 kg (35 lb)
Power requirements	100 V to 115 V (±10%) 50/60 Hz, 575 W
Power requirements	200 V to 230 V (±10%) 50/60 Hz, 575 W
System fuse ratings	115 V: 6.3 A T 250 V
System fuse ratings	230 V: 3.15 A T 250 V
4–20 mA fuse (-P model only)	50 mA F 250 V
Computer interface	RS-232, and USB Serial included
Safety	IEC 61010-1, Installation Category II, Pollution degree 2
Electromagnetic environment	IEC 61326-1: Basic
Refrigerants	R32 (Difluoromethane)
	< 20 g, ASHRAE safety group A2L
	R704 (Helium)
	< 20 g, ASHRAE safety group A1

Built-in reference thermometer readout accuracy (4-wire reference probe)³	±0.010°C at –95°C
	±0.013°C at –25°C
	±0.015°C at 0°C
	±0.020°C at 50°C
	±0.025°C at 140°C
Reference resistance range	0 Ω to 400 Ω
Reference resistance accuracy⁴	0 Ω to 42 Ω: ±0.0025 Ω 42 Ω to 400 Ω: ±60 ppm of reading
Reference characterizations	ITS-90, CVD, IEC-751, resistance
Reference measurement capability	4-wire
Reference probe connection	6-pin din with INFO-CON technology
Built-in RTD thermometer readout accuracy	NI-120: ±0.015°C at 0°C
	PT-100 (385): ±0.02°C at 0°C
	(3926): ±0.02°C at 0°C
	PT-100 (JIS): ±0.02°C at 0°C
RTD resistance range	0 Ω to 400 Ω
Resistance accuracy⁴	0 Ω to 25 Ω: ±0.002 Ω
Resistance accuracy⁴	25 Ω to 400 Ω: ±80 ppm of reading
RTD characterizations	PT-100 (385), (JIS), (3926), NI-120, resistance
RTD measurement capability	2-wire, 3-wire, and 4-wire RTD with jumpers only
RTD connection	4-terminal input
Built-in TC thermometer readout accuracy⁵	Type J: ±0.70°C at 140°C
	K: ±0.75°C at 140°C
	Type T: ±0.60°C at 140°C
	E: ±0.60°C at 140°C
	Type R: ±1.60°C at 140°C
	Type S: ±1.60°C at 140°C
	M: ±0.65°C at 140°C
	Type L: ±0.65°C at 140°C
	U: ±0.70°C at 140°C
	Type N: ±0.75°C at 140°C
	C: ±1.00°C at 140°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°C to 33°C)
TC connection	Miniature connectors (ASTM E1684)
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°C to 13°C, 33°C to 50°C)	±0.005% of range per °C

1. For ambient temperature of 23°C.
2. Time from when the SETPOINT is reached to when the unit is within stability specification.
3. The temperature range may be limited by the reference probe connected to the readout. The built-in reference accuracy does not include the sensor probe accuracy. It does not include the probe uncertainty or probe characterization errors.
4. Measurement accuracy specifications apply within the operating range and assume 4 wires for PRTs. With 3-wire RTDs add 0.05 Ω to the measurement accuracy plus the maximum possible difference between the resistances of the lead wires.
5. The thermocouple input readout is sensitive to EM fields in the frequency range of 500 MHz to 700 MHz.