Model 422: Pressure Transmitter for Overhead Junction Boxes

Viatran’s Model 422 pressure transmitter is compact yet offers a high performance punch. The electronics and silicon sensor design have an integrated precision of over ±0.08%.

The Model 422 features pressure ranges of 0–3 to 5000 psi and an output of 0–5 Vdc. It has been designed specifically for overhead junction boxes.

Features

	Low-pressure applications
	All stainless steel construction
	High precision
	Shunt calibration circuit option

The Model 422 pressure transmitter is a flexible high-performance test and control sensor that provides noise suppression, fast response timeand CE compliance. Viatran feels proud in providing outstanding customer support together with a technically excellent product. Variants of this model are used across the industrial and automotive industries.

Performance

Table 1. Source: Viatran

.	.	.
Full Scale Pressure Range (FSPR)	0-3 thru 0-5000 PSI (0-0.2 to 0-345 bar),0-15 PSIV (0-1.03 barV)*
Zero balance	≤±0.25% FSO
Non-Linearity (Best Fit Straight Line)	≤±0.06% FSO standard, optional ±0.04%
Hysteresis & Repeatability	≤±0.06% FSO standard
Full Scale Output	5 Vdc ≤±0.25% FSO
Long Term Stability	≤±0.3% FSO per 6 months
Compensated Temperature*	32°F to 180°F (0°C to 82°C)
Operating Temperature Range	-40°F to 185°F (-40°C to 85°C)
Storage Temperature	-40°F to 250°F (-40°C to 121°C)
Maximum Fluid Temperature	250°F (121°C)
Combined Thermal Effect(zero & span)	≤±2% FSO per 100°F typical
* Modified specification for vacuum and compound ranges:	Compensated Temperature Range	32°F to 170°F (0°C to 77°C)

Electrical

Table 2. Source: Viatran

.	.	.
Supply Voltage	9 to 30 Vdc (12 to 30 Vdc for DM option)
Power Supply Regulation	<±0.05% FSO per Volt Output Signal
Output Signal	0-5 Vdc
Circuit Protection	Short circuit and reverse polarity protected
Voltage Spike Protection	Withstand 1000 volt spike per EN6100-4-5
RFI/EMI Suppression	CE marked, EN 61326
Insulation Resistance	<5 nS conductance
Response Time	<1.5 millisecond
Electrical Connections	6-pin bayonet (standard)
Pin Outs	Pin A	+Power
	Pin B	-Power
	Pin C	+Signal
	Pin D	-Signal
	Pin E	AC ground (standard)
	Pin F	No connection
Connector Options	BP	Micro change (M12)
	BN	4-pin bayonet
	ZU	Cable gland

Mechanical

Table 3. Source: Viatran

.	.
Pressure Connection	1/8" NPT female
Proof Pressure	3x range or 1,200 PSI (whichever is less) for 0-3 thru 0-500 PSI3x range or 9,000 PSI (whichever is less) for 0-1,000 thru 5,000 PSI
Burst Pressure	5x range or 2,400 PSI (whichever is less) for 0-3 thru 0-500 PSI5x range or 10,000 PSI (whichever is less) for 0-1,000 thru 0-5,000 PSI
Pressure Cavity Volume	1.5 mL
Mounting	May be supported by process piping

Materials of Construction

Table 4. Source: Viatran

.	.
Wetted Parts	316L stainless steel
Housing	316 stainless steel
Weight	4 oz nominal
Identification	Laser etched onto body

Options

Table 5. Source: Viatran

.	.
DA	Isolated internal shunt calibration(6-pin connector required)
DC	Extended Compensated Temperature Range (Cold)-40°F to 170°F (-40°C to 77°C)
DE	Internal shunt calibration (6-pin connector required)
DG	Improved temperature performance
DH	Special range
DM	Modified FSO >5 Vdc (Requires 12 to 30 Vdc Supply Voltage)
DN	Improved linearity ±0.04% FSO (not available with TU option)
DQ	Cleaning for oxygen service
DX	Modified FSO <5 Vdc
EA	Special calibration
EH	Extended Compensated Temperature Range (Hot)+70°F to 185°F (21°C to 85°C)
LV	Externally powered, optically isolated shunt calibration(6-pin connector required)
NH	Customer specified marking
TU	Compound special ranging
Alternate Pressure Ports
VE	1/4 AN bulkhead mount
VF	1/4 tube Swagelok bulkhead
VG	M12 x 1.5 mm female
VH	M12 x 1.5 mm male
WQ	G 1/4 female
YA	MS33649-04
YC	MS33656-04
YH	1/8" NPTM
YL	1/8" NPTF (standard)
YJ	1/4" NPTF
YK	1/4" NPTM

Model 422: Pressure Transmitter for Overhead Junction Boxes

Image Credit: Viatran

标签：Sensors

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