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Smith Meter UPT User Manual

Smith Meter UPT
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General
The Smith Meter
®
Model UPT (Universal Pulse) Transmit-
ter is a photo-electric, dual channel, high resolution, pulse
generator that is directly connected to the output shaft of a
positive displacement meter.
The UPT Transmitter is installed at the lowest level in the
meter accessory stack. It is designed to be mounted directly
on the meter dome adaptor and replaces the manual cali-
brator. If other mechanical stack accessories are required,
a calibrator adaptor kit is used for mounting the manual
calibrator above the UPT Transmitter.
Reference Publications
Specication Bulletin SS01105
Parts List PO01056 (P0907.05)
Receipt of Equipment
When the equipment is received, the outside packing case
should be checked immediately for any shipping damage.
If the packing case has been damaged, the local carrier
should be notied at once regarding his liability. Carefully
remove the unit from its packing case and inspect for
damaged or missing parts.
If damage has occurred during shipment or parts are
missing, a written report should be submitted to the Inside
Sales Department, Measurement Solutions, PO Box 10428,
Erie, Pennsylvania 16514.
Prior to installation, the unit should be stored in its original
packing case and protected from adverse weather condi-
tions and abuse.
Mechanical Installation
When ordered with a Smith Meter
®
positive displacement
(PD) meter, the Model UPT Transmitter will normally be
factory installed directly on the meter. The following steps
are required for eld mounting the UPT Transmitter to a
Smith Meter PD meter:
1. Remove all accessories (counters, mechanical temperature
compensators, transmitters, etc.) from the meter.
2. Remove the existing calibrator, located inside the meter
dome adaptor.
a. Remove the cap protecting the external calibrator
adjusting stem by removing the two mounting screws.
b. Indicate the calibrator setting with a line that intersects the
calibrator dial and its adjacent part.
c. Remove the calibrator adjusting assembly by removing
the two mounting screws and carefully withdraw the stem
assembly from the housing without changing the adjusting
screw.
d. Remove the calibrator from the meter dome adaptor by
removing the two small hold-down screws and carefully
rotating the calibrator body clockwise.
e. Attach the blind plate (provided in the adaptation
kit) over the calibrator stem assembly hole.
Universal Pulse Transmitter (UPT)
Installation/Service
Bulletin MN01045 Issue/Rev. 0.7 (11/17)
MANUAL
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Smith Meter UPT Specifications

General IconGeneral
ManufacturerSmith Meter
ModelUPT
CategoryTransmitter
Output4-20 mA
Enclosure RatingNEMA 4X
Operating Temperature-40°C to +60°C

Summary

General Information

Reference Publications

Equipment Receipt and Handling

Mechanical Installation Procedures

Calibrator Removal

Detailed steps for removing the existing calibrator from the meter dome adaptor.

UPT Transmitter Mounting

Instructions for mounting the UPT Transmitter and using spacers for older meter types.

Oiler and Accessory Reassembly

Steps for installing the oiler and reassembling other meter accessories.

Final Calibration and Sealing

Procedures for checking calibrator settings and applying seal wires.

ATEX/IECEx Installation Requirements

Standards and Cable Entry

Overview of standards used and requirements for cable entries.

Wiring System Precautions

Guidelines for wiring systems using cable glands, conduit, and bonding.

Safety Warnings

Critical warnings for preventing ignition of hazardous atmospheres.

Wiring Diagram and Connections

Maintenance and Mechanical Procedures

Mechanical Maintenance Steps

Step-by-step guide for disassembling and reassembling the transmitter for maintenance.

Encoder and Terminal Block Inspection

Instructions for inspecting the encoder and terminal block for wear or damage.

Shaft and Coupling Reassembly

Guidance on re-greasing the shaft and reattaching the coupling.

Housing and Flame Path Inspection

Checking housing surfaces and flame paths for damage and applying lubricants.

Storage Instructions